Remove AppEngineExtnesion (#1905)

Most of its usage can be replaced by JpaIntegrationTestExtension. In
places where specific GAE APIs are still needed, namely when pull queue
or the User service is used, two simplifed extensions are used, which
makes them much easier to identify when the APIs are no longer used.

core/src/main/java/google/registry/env/common/default/WEB-INF/datastore-indexes.xml

@@ -1,98 +0,0 @@
-<datastore-indexes autoGenerate="false">
-  <!-- For finding contact resources by registrar. -->
-  <datastore-index kind="Contact" ancestor="false" source="manual">
-    <property name="currentSponsorClientId" direction="asc"/>
-    <property name="deletionTime" direction="asc"/>
-    <property name="searchName" direction="asc"/>
-  </datastore-index>
-  <!-- For finding domain resources by registrar. -->
-  <datastore-index kind="Domain" ancestor="false" source="manual">
-    <property name="currentSponsorClientId" direction="asc"/>
-    <property name="deletionTime" direction="asc"/>
-  </datastore-index>
-  <!-- For finding domain resources by TLD. -->
-  <datastore-index kind="Domain" ancestor="false" source="manual">
-    <property name="tld" direction="asc"/>
-    <property name="deletionTime" direction="asc"/>
-  </datastore-index>
-  <!-- For finding domain resources by registrar. -->
-  <datastore-index kind="Domain" ancestor="false" source="manual">
-    <property name="currentSponsorClientId" direction="asc"/>
-    <property name="deletionTime" direction="asc"/>
-  </datastore-index>
-  <!-- For finding the most recently created domain resources. -->
-  <datastore-index kind="Domain" ancestor="false" source="manual">
-    <property name="tld" direction="asc"/>
-    <property name="creationTime" direction="desc"/>
-  </datastore-index>
-  <!-- For finding host resources by registrar. -->
-  <datastore-index kind="Host" ancestor="false" source="manual">
-    <property name="currentSponsorClientId" direction="asc"/>
-    <property name="deletionTime" direction="asc"/>
-    <property name="fullyQualifiedHostName" direction="asc"/>
-  </datastore-index>
-  <!-- For determining the active domains linked to a given contact. -->
-  <datastore-index kind="Domain" ancestor="false" source="manual">
-    <property name="allContacts.contact" direction="asc"/>
-    <property name="deletionTime" direction="asc"/>
-  </datastore-index>
-  <!-- For determining the active domains linked to a given host. -->
-  <datastore-index kind="Domain" ancestor="false" source="manual">
-    <property name="nsHosts" direction="asc"/>
-    <property name="deletionTime" direction="asc"/>
-  </datastore-index>
-  <!-- For deleting expired not-previously-deleted domains. -->
-  <datastore-index kind="Domain" ancestor="false" source="manual">
-    <property name="deletionTime" direction="asc"/>
-    <property name="autorenewEndTime" direction="asc"/>
-  </datastore-index>
-  <!-- For RDAP searches by linked nameserver. -->
-  <datastore-index kind="Domain" ancestor="false" source="manual">
-    <property name="nsHosts" direction="asc"/>
-    <property name="deletionTime" direction="asc"/>
-  </datastore-index>
-  <!-- For WHOIS IP address lookup -->
-  <datastore-index kind="Host" ancestor="false" source="manual">
-    <property name="inetAddresses" direction="asc"/>
-    <property name="deletionTime" direction="asc"/>
-  </datastore-index>
-  <!-- For Poll -->
-  <datastore-index kind="PollMessage" ancestor="false" source="manual">
-    <property name="clientId" direction="asc"/>
-    <property name="eventTime" direction="asc"/>
-  </datastore-index>
-  <datastore-index kind="PollMessage" ancestor="true" source="manual">
-    <property name="clientId" direction="asc"/>
-    <property name="eventTime" direction="asc"/>
-  </datastore-index>
-  <!-- For querying HistoryEntries. -->
-  <datastore-index kind="HistoryEntry" ancestor="true" source="manual">
-    <property name="modificationTime" direction="asc"/>
-  </datastore-index>
-  <datastore-index kind="HistoryEntry" ancestor="false" source="manual">
-    <property name="clientId" direction="asc"/>
-    <property name="modificationTime" direction="asc"/>
-  </datastore-index>
-  <!-- For RDAP. -->
-  <datastore-index kind="Domain" ancestor="false" source="manual">
-    <property name="currentSponsorClientId" direction="asc"/>
-    <property name="fullyQualifiedDomainName" direction="asc"/>
-  </datastore-index>
-  <datastore-index kind="Domain" ancestor="false" source="manual">
-    <property name="currentSponsorClientId" direction="asc"/>
-    <property name="tld" direction="asc"/>
-    <property name="fullyQualifiedDomainName" direction="asc"/>
-  </datastore-index>
-  <datastore-index kind="Domain" ancestor="false" source="manual">
-    <property name="tld" direction="asc"/>
-    <property name="fullyQualifiedDomainName" direction="asc"/>
-  </datastore-index>
-  <datastore-index kind="Host" ancestor="false" source="manual">
-    <property name="deletionTime" direction="asc"/>
-    <property name="fullyQualifiedHostName" direction="asc"/>
-  </datastore-index>
-  <datastore-index kind="Contact" ancestor="false" source="manual">
-    <property name="deletionTime" direction="asc"/>
-    <property name="searchName" direction="asc"/>
-  </datastore-index>
-</datastore-indexes>

core/src/main/java/google/registry/model/IdService.java

@@ -20,7 +20,7 @@ import java.math.BigInteger;
 import java.util.concurrent.atomic.AtomicLong;
 
 /**
- * Allocates a {@link long} to use as a {@code @Id}, (part) of the primary SQL key for an entity.
+ * Allocates a {@code long} to use as a {@code @Id}, (part) of the primary SQL key for an entity.
  */
 public final class IdService {
 

core/src/test/java/google/registry/batch/AsyncTaskEnqueuerTest.java

@@ -24,7 +24,8 @@ import static google.registry.testing.TestLogHandlerUtils.assertLogMessage;
 import com.google.cloud.tasks.v2.HttpMethod;
 import com.google.common.collect.ImmutableSortedSet;
 import google.registry.model.contact.Contact;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.CloudTasksHelper;
 import google.registry.testing.CloudTasksHelper.TaskMatcher;
 import google.registry.testing.FakeClock;
@@ -47,8 +48,8 @@ import org.mockito.quality.Strictness;
 public class AsyncTaskEnqueuerTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private AsyncTaskEnqueuer asyncTaskEnqueuer;
   private final CapturingLogHandler logHandler = new CapturingLogHandler();

core/src/test/java/google/registry/batch/CheckPackagesComplianceActionTest.java

@@ -33,7 +33,8 @@ import google.registry.model.contact.Contact;
 import google.registry.model.domain.token.AllocationToken;
 import google.registry.model.domain.token.AllocationToken.TokenType;
 import google.registry.model.domain.token.PackagePromotion;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.DatabaseHelper;
 import google.registry.testing.FakeClock;
 import google.registry.ui.server.SendEmailUtils;
@@ -67,8 +68,8 @@ public class CheckPackagesComplianceActionTest {
   private static final String SUPPORT_EMAIL = "registry@test.com";
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withClock(clock).build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().withClock(clock).buildIntegrationTestExtension();
 
   private CheckPackagesComplianceAction action;
   private AllocationToken token;

core/src/test/java/google/registry/batch/DeleteExpiredDomainsActionTest.java

@@ -36,12 +36,14 @@ import google.registry.model.domain.Domain;
 import google.registry.model.domain.DomainHistory;
 import google.registry.model.poll.PollMessage;
 import google.registry.model.reporting.HistoryEntry;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.persistence.transaction.QueryComposer.Comparator;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.DatabaseHelper;
 import google.registry.testing.FakeClock;
 import google.registry.testing.FakeLockHandler;
 import google.registry.testing.FakeResponse;
+import google.registry.testing.TaskQueueExtension;
 import java.util.Optional;
 import org.joda.time.DateTime;
 import org.junit.jupiter.api.BeforeEach;
@@ -54,8 +56,10 @@ class DeleteExpiredDomainsActionTest {
   private final FakeClock clock = new FakeClock(DateTime.parse("2016-06-13T20:21:22Z"));
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withClock(clock).withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().withClock(clock).buildIntegrationTestExtension();
+
+  @RegisterExtension final TaskQueueExtension taskQueue = new TaskQueueExtension();
 
   private final FakeResponse response = new FakeResponse();
   private DeleteExpiredDomainsAction action;

core/src/test/java/google/registry/batch/DeleteProberDataActionTest.java

@@ -44,10 +44,12 @@ import google.registry.model.poll.PollMessage;
 import google.registry.model.reporting.HistoryEntry;
 import google.registry.model.tld.Registry;
 import google.registry.model.tld.Registry.TldType;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.DatabaseHelper;
 import google.registry.testing.FakeClock;
 import google.registry.testing.SystemPropertyExtension;
+import google.registry.testing.TaskQueueExtension;
 import java.util.Optional;
 import java.util.Set;
 import org.joda.money.Money;
@@ -63,8 +65,10 @@ class DeleteProberDataActionTest {
   private static final DateTime DELETION_TIME = DateTime.parse("2010-01-01T00:00:00.000Z");
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withLocalModules().withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
+
+  @RegisterExtension TaskQueueExtension taskQueue = new TaskQueueExtension();
 
   @RegisterExtension
   final SystemPropertyExtension systemPropertyExtension = new SystemPropertyExtension();

core/src/test/java/google/registry/batch/ExpandRecurringBillingEventsActionTest.java

@@ -51,7 +51,8 @@ import google.registry.model.reporting.DomainTransactionRecord;
 import google.registry.model.reporting.DomainTransactionRecord.TransactionReportField;
 import google.registry.model.reporting.HistoryEntry;
 import google.registry.model.tld.Registry;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.DatabaseHelper;
 import google.registry.testing.FakeClock;
 import google.registry.testing.FakeResponse;
@@ -68,8 +69,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public class ExpandRecurringBillingEventsActionTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withLocalModules().withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private DateTime currentTestTime = DateTime.parse("1999-01-05T00:00:00Z");
   private final FakeClock clock = new FakeClock(currentTestTime);

core/src/test/java/google/registry/batch/RelockDomainActionTest.java

@@ -38,14 +38,14 @@ import com.google.common.collect.ImmutableSet;
 import google.registry.model.domain.Domain;
 import google.registry.model.domain.RegistryLock;
 import google.registry.model.host.Host;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.CloudTasksHelper;
 import google.registry.testing.CloudTasksHelper.TaskMatcher;
 import google.registry.testing.DatabaseHelper;
 import google.registry.testing.DeterministicStringGenerator;
 import google.registry.testing.FakeClock;
 import google.registry.testing.FakeResponse;
-import google.registry.testing.UserInfo;
 import google.registry.tools.DomainLockUtils;
 import google.registry.util.EmailMessage;
 import google.registry.util.SendEmailService;
@@ -72,7 +72,7 @@ public class RelockDomainActionTest {
 
   private final FakeResponse response = new FakeResponse();
   private final FakeClock clock = new FakeClock(DateTime.parse("2015-05-18T12:34:56Z"));
-  private CloudTasksHelper cloudTasksHelper = new CloudTasksHelper(clock);
+  private final CloudTasksHelper cloudTasksHelper = new CloudTasksHelper(clock);
   private final DomainLockUtils domainLockUtils =
       new DomainLockUtils(
           new DeterministicStringGenerator(Alphabets.BASE_58),
@@ -80,12 +80,8 @@ public class RelockDomainActionTest {
           cloudTasksHelper.getTestCloudTasksUtils());
 
   @RegisterExtension
-  public final AppEngineExtension appEngineExtension =
-      AppEngineExtension.builder()
-          .withCloudSql()
-          .withTaskQueue()
-          .withUserService(UserInfo.create(POC_ID))
-          .build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private Domain domain;
   private RegistryLock oldLock;

core/src/test/java/google/registry/batch/ResaveAllEppResourcesPipelineActionTest.java

@@ -26,17 +26,12 @@ import com.google.api.services.dataflow.model.LaunchFlexTemplateRequest;
 import com.google.common.collect.ImmutableMap;
 import google.registry.beam.BeamActionTestBase;
 import google.registry.config.RegistryEnvironment;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.FakeClock;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Unit tests for {@link ResaveAllEppResourcesPipelineAction}. */
 public class ResaveAllEppResourcesPipelineActionTest extends BeamActionTestBase {
 
-  @RegisterExtension
-  final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
-
   private final FakeClock fakeClock = new FakeClock();
 
   private ResaveAllEppResourcesPipelineAction createAction(boolean isFast) {

core/src/test/java/google/registry/batch/ResaveEntityActionTest.java

@@ -34,8 +34,9 @@ import google.registry.model.domain.Domain;
 import google.registry.model.domain.GracePeriod;
 import google.registry.model.domain.rgp.GracePeriodStatus;
 import google.registry.model.eppcommon.StatusValue;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.request.Response;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.CloudTasksHelper;
 import google.registry.testing.CloudTasksHelper.TaskMatcher;
 import google.registry.testing.DatabaseHelper;
@@ -55,8 +56,8 @@ import org.mockito.quality.Strictness;
 public class ResaveEntityActionTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @Mock private Response response;
   private final FakeClock clock = new FakeClock(DateTime.parse("2016-02-11T10:00:00Z"));

core/src/test/java/google/registry/batch/SendExpiringCertificateNotificationEmailActionTest.java

@@ -15,7 +15,7 @@
 package google.registry.batch;
 
 import static com.google.common.truth.Truth.assertThat;
-import static google.registry.testing.AppEngineExtension.makeRegistrar1;
+import static google.registry.persistence.transaction.JpaTransactionManagerExtension.makeRegistrar1;
 import static google.registry.testing.DatabaseHelper.loadByEntity;
 import static google.registry.testing.DatabaseHelper.persistResource;
 import static google.registry.testing.DatabaseHelper.persistSimpleResources;
@@ -36,7 +36,8 @@ import google.registry.model.registrar.Registrar;
 import google.registry.model.registrar.RegistrarAddress;
 import google.registry.model.registrar.RegistrarPoc;
 import google.registry.model.registrar.RegistrarPoc.Type;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.FakeClock;
 import google.registry.testing.FakeResponse;
 import google.registry.util.SelfSignedCaCertificate;
@@ -70,8 +71,8 @@ class SendExpiringCertificateNotificationEmailActionTest {
   private static final String EXPIRATION_WARNING_EMAIL_SUBJECT_TEXT = "Expiration Warning Email";
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private final FakeClock clock = new FakeClock(DateTime.parse("2021-05-24T20:21:22Z"));
   private final SendEmailService sendEmailService = mock(SendEmailService.class);

core/src/test/java/google/registry/batch/WipeOutContactHistoryPiiActionTest.java

@@ -34,7 +34,8 @@ import google.registry.model.contact.PostalInfo;
 import google.registry.model.eppcommon.AuthInfo.PasswordAuth;
 import google.registry.model.eppcommon.PresenceMarker;
 import google.registry.model.eppcommon.StatusValue;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.DatabaseHelper;
 import google.registry.testing.FakeClock;
 import google.registry.testing.FakeResponse;
@@ -98,8 +99,8 @@ class WipeOutContactHistoryPiiActionTest {
           .build();
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private final FakeClock clock = new FakeClock(DateTime.parse("2021-08-26T20:21:22Z"));
 

core/src/test/java/google/registry/beam/common/RegistryJpaReadTest.java

@@ -14,7 +14,7 @@
 
 package google.registry.beam.common;
 
-import static google.registry.testing.AppEngineExtension.makeRegistrar1;
+import static google.registry.persistence.transaction.JpaTransactionManagerExtension.makeRegistrar1;
 import static google.registry.testing.DatabaseHelper.insertInDb;
 import static google.registry.testing.DatabaseHelper.newContact;
 import static google.registry.testing.DatabaseHelper.newRegistry;
@@ -42,7 +42,6 @@ import google.registry.model.transfer.ContactTransferData;
 import google.registry.persistence.transaction.CriteriaQueryBuilder;
 import google.registry.persistence.transaction.JpaTestExtensions;
 import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.FakeClock;
 import org.apache.beam.sdk.coders.StringUtf8Coder;
 import org.apache.beam.sdk.testing.PAssert;
@@ -60,7 +59,7 @@ public class RegistryJpaReadTest {
   private final FakeClock fakeClock = new FakeClock(START_TIME);
 
   @RegisterExtension
-  final transient JpaIntegrationTestExtension database =
+  final transient JpaIntegrationTestExtension jpa =
       new JpaTestExtensions.Builder()
           .withClock(fakeClock)
           .withoutCannedData()
@@ -74,7 +73,7 @@ public class RegistryJpaReadTest {
 
   @BeforeEach
   void beforeEach() {
-    Registrar ofyRegistrar = AppEngineExtension.makeRegistrar2();
+    Registrar ofyRegistrar = JpaIntegrationTestExtension.makeRegistrar2();
     insertInDb(ofyRegistrar);
 
     ImmutableList.Builder<Contact> builder = new ImmutableList.Builder<>();

core/src/test/java/google/registry/beam/common/RegistryJpaWriteTest.java

@@ -27,7 +27,7 @@ import google.registry.beam.TestPipelineExtension;
 import google.registry.model.contact.Contact;
 import google.registry.persistence.transaction.JpaTestExtensions;
 import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTransactionManagerExtension;
 import google.registry.testing.FakeClock;
 import java.io.Serializable;
 import org.apache.beam.sdk.Pipeline.PipelineExecutionException;
@@ -43,7 +43,7 @@ class RegistryJpaWriteTest implements Serializable {
   private final FakeClock fakeClock = new FakeClock(DateTime.parse("2000-01-01T00:00:00.0Z"));
 
   @RegisterExtension
-  final transient JpaIntegrationTestExtension database =
+  final transient JpaIntegrationTestExtension jpa =
       new JpaTestExtensions.Builder().withClock(fakeClock).buildIntegrationTestExtension();
 
   @RegisterExtension
@@ -52,7 +52,7 @@ class RegistryJpaWriteTest implements Serializable {
 
   @Test
   void writeToSql_twoWriters() {
-    tm().transact(() -> tm().put(AppEngineExtension.makeRegistrar2()));
+    tm().transact(() -> tm().put(JpaTransactionManagerExtension.makeRegistrar2()));
     ImmutableList.Builder<Contact> contactsBuilder = new ImmutableList.Builder<>();
     for (int i = 0; i < 3; i++) {
       contactsBuilder.add(newContact("contact_" + i));
@@ -76,7 +76,7 @@ class RegistryJpaWriteTest implements Serializable {
     // causing a race condition
     tm().transact(
             () -> {
-              tm().put(AppEngineExtension.makeRegistrar2());
+              tm().put(JpaTransactionManagerExtension.makeRegistrar2());
               tm().put(newContact("contact"));
             });
     Contact contact = Iterables.getOnlyElement(loadAllOf(Contact.class));

core/src/test/java/google/registry/beam/rde/RdePipelineTest.java

@@ -22,13 +22,13 @@ import static google.registry.beam.rde.RdePipeline.encodePendingDeposits;
 import static google.registry.model.common.Cursor.CursorType.RDE_STAGING;
 import static google.registry.model.rde.RdeMode.FULL;
 import static google.registry.model.rde.RdeMode.THIN;
+import static google.registry.persistence.transaction.JpaTransactionManagerExtension.makeRegistrar1;
+import static google.registry.persistence.transaction.JpaTransactionManagerExtension.makeRegistrar2;
 import static google.registry.persistence.transaction.TransactionManagerFactory.tm;
 import static google.registry.rde.RdeResourceType.CONTACT;
 import static google.registry.rde.RdeResourceType.DOMAIN;
 import static google.registry.rde.RdeResourceType.HOST;
 import static google.registry.rde.RdeResourceType.REGISTRAR;
-import static google.registry.testing.AppEngineExtension.makeRegistrar1;
-import static google.registry.testing.AppEngineExtension.makeRegistrar2;
 import static google.registry.testing.DatabaseHelper.createTld;
 import static google.registry.testing.DatabaseHelper.insertSimpleResources;
 import static google.registry.testing.DatabaseHelper.persistActiveContact;

core/src/test/java/google/registry/beam/spec11/Spec11PipelineTest.java

@@ -17,8 +17,8 @@ package google.registry.beam.spec11;
 import static com.google.common.collect.ImmutableList.toImmutableList;
 import static com.google.common.truth.Truth.assertThat;
 import static google.registry.model.ImmutableObjectSubject.immutableObjectCorrespondence;
+import static google.registry.persistence.transaction.JpaTransactionManagerExtension.makeRegistrar1;
 import static google.registry.persistence.transaction.TransactionManagerFactory.tm;
-import static google.registry.testing.AppEngineExtension.makeRegistrar1;
 import static google.registry.testing.DatabaseHelper.createTld;
 import static google.registry.testing.DatabaseHelper.persistActiveContact;
 import static google.registry.testing.DatabaseHelper.persistNewRegistrar;

core/src/test/java/google/registry/cron/TldFanoutActionTest.java

@@ -27,7 +27,8 @@ import com.google.common.collect.ImmutableListMultimap;
 import com.google.common.collect.ImmutableSet;
 import google.registry.model.tld.Registry;
 import google.registry.model.tld.Registry.TldType;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.CloudTasksHelper;
 import google.registry.testing.CloudTasksHelper.TaskMatcher;
 import google.registry.testing.FakeClock;
@@ -48,7 +49,8 @@ class TldFanoutActionTest {
   private final CloudTasksHelper cloudTasksHelper = new CloudTasksHelper(new FakeClock());
 
   @RegisterExtension
-  final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private static ImmutableListMultimap<String, String> getParamsMap(String... keysAndValues) {
     ImmutableListMultimap.Builder<String, String> params = new ImmutableListMultimap.Builder<>();

core/src/test/java/google/registry/dns/DnsInjectionTest.java

@@ -24,11 +24,13 @@ import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.request.HttpException.NotFoundException;
 import google.registry.request.RequestModule;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.CloudTasksHelper.CloudTasksHelperModule;
 import google.registry.testing.FakeClock;
+import google.registry.testing.TaskQueueExtension;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import javax.servlet.http.HttpServletRequest;
@@ -42,8 +44,10 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public final class DnsInjectionTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
+
+  @RegisterExtension final TaskQueueExtension taskQueue = new TaskQueueExtension();
 
   private final HttpServletRequest req = mock(HttpServletRequest.class);
   private final HttpServletResponse rsp = mock(HttpServletResponse.class);

core/src/test/java/google/registry/dns/DnsQueueTest.java

@@ -20,8 +20,10 @@ import static google.registry.testing.TaskQueueHelper.assertNoTasksEnqueued;
 import static google.registry.testing.TaskQueueHelper.assertTasksEnqueued;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.FakeClock;
+import google.registry.testing.TaskQueueExtension;
 import google.registry.testing.TaskQueueHelper.TaskMatcher;
 import org.joda.time.DateTime;
 import org.junit.jupiter.api.BeforeEach;
@@ -32,8 +34,10 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public class DnsQueueTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
+
+  @RegisterExtension final TaskQueueExtension taskQueue = new TaskQueueExtension();
 
   private DnsQueue dnsQueue;
   private final FakeClock clock = new FakeClock(DateTime.parse("2010-01-01T10:00:00Z"));

core/src/test/java/google/registry/dns/PublishDnsUpdatesActionTest.java

@@ -48,9 +48,10 @@ import google.registry.dns.DnsMetrics.PublishStatus;
 import google.registry.dns.writer.DnsWriter;
 import google.registry.model.domain.Domain;
 import google.registry.model.tld.Registry;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.request.HttpException.ServiceUnavailableException;
 import google.registry.request.lock.LockHandler;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.CloudTasksHelper;
 import google.registry.testing.CloudTasksHelper.TaskMatcher;
 import google.registry.testing.FakeClock;
@@ -73,8 +74,8 @@ import org.mockito.ArgumentCaptor;
 public class PublishDnsUpdatesActionTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private final FakeClock clock = new FakeClock(DateTime.parse("1971-01-01TZ"));
   private final FakeResponse response = new FakeResponse();

core/src/test/java/google/registry/dns/ReadDnsQueueActionTest.java

@@ -32,7 +32,6 @@ import com.google.appengine.api.taskqueue.QueueFactory;
 import com.google.appengine.api.taskqueue.TaskOptions;
 import com.google.cloud.tasks.v2.HttpMethod;
 import com.google.cloud.tasks.v2.Task;
-import com.google.common.base.Joiner;
 import com.google.common.base.Splitter;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMultimap;
@@ -42,10 +41,12 @@ import com.google.common.net.InternetDomainName;
 import google.registry.dns.DnsConstants.TargetType;
 import google.registry.model.tld.Registry;
 import google.registry.model.tld.Registry.TldType;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.CloudTasksHelper;
 import google.registry.testing.CloudTasksHelper.TaskMatcher;
 import google.registry.testing.FakeClock;
+import google.registry.testing.TaskQueueExtension;
 import google.registry.testing.TaskQueueHelper;
 import google.registry.testing.UriParameters;
 import java.nio.charset.StandardCharsets;
@@ -70,21 +71,10 @@ public class ReadDnsQueueActionTest {
   private final CloudTasksHelper cloudTasksHelper = new CloudTasksHelper(clock);
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder()
-          .withCloudSql()
-          .withTaskQueue(
-              Joiner.on('\n')
-                  .join(
-                      "<?xml version=\"1.0\" encoding=\"UTF-8\"?>",
-                      "<queue-entries>",
-                      "  <queue>",
-                      "    <name>dns-pull</name>",
-                      "    <mode>pull</mode>",
-                      "  </queue>",
-                      "</queue-entries>"))
-          .withClock(clock)
-          .build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().withClock(clock).buildIntegrationTestExtension();
+
+  @RegisterExtension final TaskQueueExtension taskQueue = new TaskQueueExtension();
 
   @BeforeEach
   void beforeEach() {

core/src/test/java/google/registry/dns/RefreshDnsActionTest.java

@@ -26,9 +26,10 @@ import static org.mockito.Mockito.verifyNoMoreInteractions;
 
 import google.registry.dns.DnsConstants.TargetType;
 import google.registry.model.domain.Domain;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.request.HttpException.BadRequestException;
 import google.registry.request.HttpException.NotFoundException;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.FakeClock;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -38,8 +39,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public class RefreshDnsActionTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private final DnsQueue dnsQueue = mock(DnsQueue.class);
   private final FakeClock clock = new FakeClock();

core/src/test/java/google/registry/dns/writer/clouddns/CloudDnsWriterTest.java

@@ -43,7 +43,8 @@ import google.registry.model.domain.secdns.DomainDsData;
 import google.registry.model.eppcommon.StatusValue;
 import google.registry.model.host.Host;
 import google.registry.persistence.VKey;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.DatabaseHelper;
 import google.registry.util.Retrier;
 import google.registry.util.SystemClock;
@@ -70,7 +71,8 @@ import org.mockito.quality.Strictness;
 public class CloudDnsWriterTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private static final Inet4Address IPv4 = (Inet4Address) InetAddresses.forString("127.0.0.1");
   private static final Inet6Address IPv6 = (Inet6Address) InetAddresses.forString("::1");

core/src/test/java/google/registry/dns/writer/dnsupdate/DnsUpdateWriterTest.java

@@ -39,7 +39,8 @@ import google.registry.model.domain.Domain;
 import google.registry.model.domain.secdns.DomainDsData;
 import google.registry.model.eppcommon.StatusValue;
 import google.registry.model.host.Host;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.DatabaseHelper;
 import google.registry.testing.FakeClock;
 import java.util.ArrayList;
@@ -72,8 +73,8 @@ import org.xbill.DNS.Update;
 public class DnsUpdateWriterTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withTaskQueue().build();
+  public final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @Mock private DnsMessageTransport mockResolver;
   @Captor private ArgumentCaptor<Update> updateCaptor;

core/src/test/java/google/registry/export/ExportDomainListsActionTest.java

@@ -35,8 +35,9 @@ import com.google.common.net.MediaType;
 import google.registry.gcs.GcsUtils;
 import google.registry.model.tld.Registry;
 import google.registry.model.tld.Registry.TldType;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.storage.drive.DriveConnection;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.FakeClock;
 import org.joda.time.DateTime;
 import org.junit.jupiter.api.BeforeEach;
@@ -54,8 +55,8 @@ class ExportDomainListsActionTest {
   private final FakeClock clock = new FakeClock(DateTime.parse("2020-02-02T02:02:02Z"));
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withLocalModules().withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @BeforeEach
   void beforeEach() {

core/src/test/java/google/registry/export/ExportPremiumTermsActionTest.java

@@ -39,9 +39,10 @@ import com.google.common.net.MediaType;
 import google.registry.model.tld.Registry;
 import google.registry.model.tld.label.PremiumList;
 import google.registry.model.tld.label.PremiumListDao;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.request.Response;
 import google.registry.storage.drive.DriveConnection;
-import google.registry.testing.AppEngineExtension;
 import java.io.IOException;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -58,7 +59,8 @@ public class ExportPremiumTermsActionTest {
       DISCLAIMER_WITH_NEWLINE + "0, 549.00\n" + "2048, 549.00\n";
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private final DriveConnection driveConnection = mock(DriveConnection.class);
   private final Response response = mock(Response.class);

core/src/test/java/google/registry/export/ExportReservedTermsActionTest.java

@@ -34,9 +34,10 @@ import com.google.common.collect.ImmutableSet;
 import com.google.common.net.MediaType;
 import google.registry.model.tld.Registry;
 import google.registry.model.tld.label.ReservedList;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.request.Response;
 import google.registry.storage.drive.DriveConnection;
-import google.registry.testing.AppEngineExtension;
 import java.io.IOException;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -46,7 +47,7 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public class ExportReservedTermsActionTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  JpaIntegrationTestExtension jpa = new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private final DriveConnection driveConnection = mock(DriveConnection.class);
   private final Response response = mock(Response.class);

core/src/test/java/google/registry/export/ExportUtilsTest.java

@@ -21,7 +21,8 @@ import static google.registry.testing.DatabaseHelper.persistResource;
 
 import google.registry.model.tld.Registry;
 import google.registry.model.tld.label.ReservedList;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.RegisterExtension;
 
@@ -29,7 +30,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 class ExportUtilsTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @Test
   void test_exportReservedTerms() {

core/src/test/java/google/registry/export/SyncGroupMembersActionTest.java

@@ -38,8 +38,9 @@ import google.registry.groups.DirectoryGroupsConnection;
 import google.registry.groups.GroupsConnection.Role;
 import google.registry.model.registrar.Registrar;
 import google.registry.model.registrar.RegistrarPoc;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.request.Response;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.FakeClock;
 import google.registry.testing.FakeSleeper;
 import google.registry.util.Retrier;
@@ -51,12 +52,13 @@ import org.junit.jupiter.api.extension.RegisterExtension;
  * Unit tests for {@link SyncGroupMembersAction}.
  *
  * <p>Note that this relies on the registrars NewRegistrar and TheRegistrar created by default in
- * {@link AppEngineExtension}.
+ * {@link JpaIntegrationTestExtension}.
  */
 public class SyncGroupMembersActionTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private final DirectoryGroupsConnection connection = mock(DirectoryGroupsConnection.class);
   private final Response response = mock(Response.class);

core/src/test/java/google/registry/export/sheet/SyncRegistrarsSheetActionTest.java

@@ -23,7 +23,6 @@ import static org.mockito.Mockito.verifyNoInteractions;
 import static org.mockito.Mockito.verifyNoMoreInteractions;
 import static org.mockito.Mockito.when;
 
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.FakeLockHandler;
 import google.registry.testing.FakeResponse;
 import java.util.Optional;
@@ -31,15 +30,10 @@ import javax.annotation.Nullable;
 import org.joda.time.Duration;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Unit tests for {@link SyncRegistrarsSheetAction}. */
 public class SyncRegistrarsSheetActionTest {
 
-  @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withTaskQueue().build();
-
   private final FakeResponse response = new FakeResponse();
   private final SyncRegistrarsSheet syncRegistrarsSheet = mock(SyncRegistrarsSheet.class);
 

core/src/test/java/google/registry/export/sheet/SyncRegistrarsSheetTest.java

@@ -38,7 +38,8 @@ import google.registry.model.common.Cursor;
 import google.registry.model.registrar.Registrar;
 import google.registry.model.registrar.RegistrarAddress;
 import google.registry.model.registrar.RegistrarPoc;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.DatabaseHelper;
 import google.registry.testing.FakeClock;
 import org.joda.time.DateTime;
@@ -56,7 +57,8 @@ import org.mockito.junit.jupiter.MockitoExtension;
 public class SyncRegistrarsSheetTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @Captor private ArgumentCaptor<ImmutableList<ImmutableMap<String, String>>> rowsCaptor;
   @Mock private SheetSynchronizer sheetSynchronizer;
@@ -73,9 +75,8 @@ public class SyncRegistrarsSheetTest {
   @BeforeEach
   void beforeEach() {
     createTld("example");
-    // Remove Registrar entities created by AppEngineExtension (and RegistrarContact's, for jpa).
-      tm().transact(() -> tm().loadAllOf(RegistrarPoc.class))
-          .forEach(DatabaseHelper::deleteResource);
+    // Remove Registrar entities created by JpaTransactionManagerExtension.
+    tm().transact(() -> tm().loadAllOf(RegistrarPoc.class)).forEach(DatabaseHelper::deleteResource);
     Registrar.loadAll().forEach(DatabaseHelper::deleteResource);
   }
 

core/src/test/java/google/registry/flows/CheckApiActionTest.java

@@ -33,7 +33,8 @@ import google.registry.monitoring.whitebox.CheckApiMetric;
 import google.registry.monitoring.whitebox.CheckApiMetric.Availability;
 import google.registry.monitoring.whitebox.CheckApiMetric.Status;
 import google.registry.monitoring.whitebox.CheckApiMetric.Tier;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.FakeClock;
 import google.registry.testing.FakeResponse;
 import java.util.Map;
@@ -55,7 +56,8 @@ class CheckApiActionTest {
   private static final DateTime START_TIME = DateTime.parse("2000-01-01T00:00:00.0Z");
 
   @RegisterExtension
-  final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @Mock private CheckApiMetrics checkApiMetrics;
   @Captor private ArgumentCaptor<CheckApiMetric> metricCaptor;

core/src/test/java/google/registry/flows/EppControllerTest.java

@@ -40,7 +40,8 @@ import google.registry.model.eppoutput.EppResponse;
 import google.registry.model.eppoutput.Result;
 import google.registry.model.eppoutput.Result.Code;
 import google.registry.monitoring.whitebox.EppMetric;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.FakeClock;
 import google.registry.util.Clock;
 import google.registry.xml.ValidationMode;
@@ -67,7 +68,8 @@ import org.mockito.quality.Strictness;
 class EppControllerTest {
 
   @RegisterExtension
-  AppEngineExtension appEngineExtension = new AppEngineExtension.Builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @Mock SessionMetadata sessionMetadata;
   @Mock TransportCredentials transportCredentials;

core/src/test/java/google/registry/flows/EppLifecycleContactTest.java

@@ -20,7 +20,8 @@ import static google.registry.model.eppoutput.Result.Code.SUCCESS_WITH_NO_MESSAG
 import static google.registry.testing.EppMetricSubject.assertThat;
 
 import com.google.common.collect.ImmutableMap;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.RegisterExtension;
 
@@ -28,8 +29,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 class EppLifecycleContactTest extends EppTestCase {
 
   @RegisterExtension
-  final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withClock(clock).withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().withClock(clock).buildIntegrationTestExtension();
 
   @Test
   void testContactLifecycle() throws Exception {

core/src/test/java/google/registry/flows/EppLifecycleDomainTest.java

@@ -46,7 +46,9 @@ import google.registry.model.domain.DomainHistory;
 import google.registry.model.reporting.HistoryEntry.Type;
 import google.registry.model.tld.Registry;
 import google.registry.model.tld.Registry.TldState;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
+import google.registry.testing.TaskQueueExtension;
 import org.joda.money.Money;
 import org.joda.time.DateTime;
 import org.junit.jupiter.api.BeforeEach;
@@ -63,8 +65,10 @@ class EppLifecycleDomainTest extends EppTestCase {
           "EXDATE", "2003-06-01T00:04:00Z");
 
   @RegisterExtension
-  final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withClock(clock).withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().withClock(clock).buildIntegrationTestExtension();
+
+  @RegisterExtension final TaskQueueExtension taskQueue = new TaskQueueExtension();
 
   @BeforeEach
   void beforeEach() {

core/src/test/java/google/registry/flows/EppLifecycleHostTest.java

@@ -25,7 +25,9 @@ import static google.registry.testing.HostSubject.assertAboutHosts;
 import com.google.common.collect.ImmutableMap;
 import google.registry.model.domain.Domain;
 import google.registry.model.host.Host;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
+import google.registry.testing.TaskQueueExtension;
 import org.joda.time.DateTime;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.RegisterExtension;
@@ -34,8 +36,10 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 class EppLifecycleHostTest extends EppTestCase {
 
   @RegisterExtension
-  final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withClock(clock).withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().withClock(clock).buildIntegrationTestExtension();
+
+  @RegisterExtension final TaskQueueExtension taskQueue = new TaskQueueExtension();
 
   @Test
   void testLifecycle() throws Exception {

core/src/test/java/google/registry/flows/EppLifecycleLoginTest.java

@@ -18,7 +18,8 @@ import static google.registry.model.eppoutput.Result.Code.SUCCESS;
 import static google.registry.model.eppoutput.Result.Code.SUCCESS_AND_CLOSE;
 import static google.registry.testing.EppMetricSubject.assertThat;
 
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.RegisterExtension;
 
@@ -26,8 +27,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 class EppLifecycleLoginTest extends EppTestCase {
 
   @RegisterExtension
-  final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @Test
   void testLoginAndLogout_recordsEppMetric() throws Exception {

core/src/test/java/google/registry/flows/EppLoggedOutTest.java

@@ -18,17 +18,12 @@ import static org.joda.time.DateTimeZone.UTC;
 import static org.joda.time.format.ISODateTimeFormat.dateTimeNoMillis;
 
 import com.google.common.collect.ImmutableMap;
-import google.registry.testing.AppEngineExtension;
 import org.joda.time.DateTime;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Test flows without login. */
 class EppLoggedOutTest extends EppTestCase {
 
-  @RegisterExtension
-  final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
-
   @Test
   void testHello() throws Exception {
     DateTime now = DateTime.now(UTC);

core/src/test/java/google/registry/flows/EppLoginTlsTest.java

@@ -24,7 +24,8 @@ import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.ImmutableSortedMap;
 import google.registry.flows.certs.CertificateChecker;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.CertificateSamples;
 import google.registry.testing.SystemPropertyExtension;
 import google.registry.util.SelfSignedCaCertificate;
@@ -44,7 +45,8 @@ import org.testcontainers.shaded.org.bouncycastle.util.io.pem.PemWriter;
 class EppLoginTlsTest extends EppTestCase {
 
   @RegisterExtension
-  final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @RegisterExtension
   @Order(value = Integer.MAX_VALUE)

core/src/test/java/google/registry/flows/EppPointInTimeTest.java

@@ -31,10 +31,12 @@ import com.google.common.collect.Iterables;
 import google.registry.flows.EppTestComponent.FakesAndMocksModule;
 import google.registry.model.domain.Domain;
 import google.registry.monitoring.whitebox.EppMetric;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.EppLoader;
 import google.registry.testing.FakeClock;
 import google.registry.testing.FakeHttpSession;
+import google.registry.testing.TaskQueueExtension;
 import org.joda.time.DateTime;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -46,8 +48,10 @@ class EppPointInTimeTest {
   private final FakeClock clock = new FakeClock(DateTime.now(UTC));
 
   @RegisterExtension
-  final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withClock(clock).withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().withClock(clock).buildIntegrationTestExtension();
+
+  @RegisterExtension final TaskQueueExtension taskQueue = new TaskQueueExtension();
 
   private EppLoader eppLoader;
 

core/src/test/java/google/registry/flows/EppXxeAttackTest.java

@@ -15,7 +15,8 @@
 package google.registry.flows;
 
 import com.google.common.collect.ImmutableMap;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.RegisterExtension;
 
@@ -23,7 +24,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 class EppXxeAttackTest extends EppTestCase {
 
   @RegisterExtension
-  final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @Test
   void testRemoteXmlExternalEntity() throws Exception {

core/src/test/java/google/registry/flows/ExtensionManagerTest.java

@@ -34,19 +34,14 @@ import google.registry.model.domain.superuser.DomainTransferRequestSuperuserExte
 import google.registry.model.eppcommon.ProtocolDefinition.ServiceExtension;
 import google.registry.model.eppinput.EppInput;
 import google.registry.model.eppinput.EppInput.CommandExtension;
-import google.registry.testing.AppEngineExtension;
 import google.registry.util.JdkLoggerConfig;
 import google.registry.util.TypeUtils;
 import java.util.logging.LogRecord;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Unit tests for {@link ExtensionManager}. */
 class ExtensionManagerTest {
 
-  @RegisterExtension
-  final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
-
   @Test
   void testDuplicateExtensionsForbidden() {
     ExtensionManager manager =
@@ -245,7 +240,8 @@ class ExtensionManagerTest {
         @Override
         public ImmutableList<CommandExtension> getExtensions() {
           return suppliedExtensions;
-        }};
+        }
+      };
     }
   }
 }

core/src/test/java/google/registry/flows/FlowRunnerTest.java

@@ -35,7 +35,8 @@ import google.registry.model.eppcommon.Trid;
 import google.registry.model.eppoutput.EppOutput.ResponseOrGreeting;
 import google.registry.model.eppoutput.EppResponse;
 import google.registry.monitoring.whitebox.EppMetric;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.FakeClock;
 import google.registry.testing.FakeHttpSession;
 import google.registry.util.JdkLoggerConfig;
@@ -51,8 +52,8 @@ import org.mockito.Mockito;
 class FlowRunnerTest {
 
   @RegisterExtension
-  final AppEngineExtension appEngineExtension =
-      new AppEngineExtension.Builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private final FlowRunner flowRunner = new FlowRunner();
   private final EppMetric.Builder eppMetricBuilder = EppMetric.builderForRequest(new FakeClock());

core/src/test/java/google/registry/flows/FlowTestCase.java

@@ -41,7 +41,8 @@ import google.registry.model.eppinput.EppInput;
 import google.registry.model.eppoutput.EppOutput;
 import google.registry.model.reporting.HistoryEntryDao;
 import google.registry.monitoring.whitebox.EppMetric;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.CloudTasksHelper;
 import google.registry.testing.DatabaseHelper;
 import google.registry.testing.EppLoader;
@@ -87,8 +88,8 @@ public abstract class FlowTestCase<F extends Flow> {
   private EppMetric.Builder eppMetricBuilder;
 
   @RegisterExtension
-  final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withClock(clock).withCloudSql().withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().withClock(clock).buildIntegrationTestExtension();
 
   @BeforeEach
   public void beforeEachFlowTestCase() {

core/src/test/java/google/registry/flows/TlsCredentialsTest.java

@@ -31,7 +31,8 @@ import google.registry.flows.TlsCredentials.MissingRegistrarCertificateException
 import google.registry.flows.TlsCredentials.RegistrarCertificateNotConfiguredException;
 import google.registry.flows.certs.CertificateChecker;
 import google.registry.model.registrar.Registrar;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.FakeClock;
 import google.registry.util.CidrAddressBlock;
 import google.registry.util.ProxyHttpHeaders;
@@ -45,9 +46,10 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 final class TlsCredentialsTest {
 
   @RegisterExtension
-  final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
-  protected final FakeClock clock = new FakeClock();
+  private final FakeClock clock = new FakeClock();
 
   private final CertificateChecker certificateChecker =
       new CertificateChecker(

core/src/test/java/google/registry/flows/contact/ContactTransferFlowTestCase.java

@@ -25,7 +25,7 @@ import google.registry.model.EppResource;
 import google.registry.model.contact.Contact;
 import google.registry.model.tld.Registry;
 import google.registry.model.transfer.TransferStatus;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTransactionManagerExtension;
 import org.joda.time.DateTime;
 import org.joda.time.Duration;
 import org.junit.jupiter.api.BeforeEach;
@@ -59,7 +59,10 @@ abstract class ContactTransferFlowTestCase<F extends Flow, R extends EppResource
     // Registrar ClientZ is used in tests that need another registrar that definitely doesn't own
     // the resources in question.
     persistResource(
-        AppEngineExtension.makeRegistrar1().asBuilder().setRegistrarId("ClientZ").build());
+        JpaTransactionManagerExtension.makeRegistrar1()
+            .asBuilder()
+            .setRegistrarId("ClientZ")
+            .build());
   }
 
   /** Adds a contact that has a pending transfer on it from TheRegistrar to NewRegistrar. */

core/src/test/java/google/registry/flows/domain/DomainCreateFlowTest.java

@@ -178,6 +178,7 @@ import google.registry.model.tld.Registry.TldType;
 import google.registry.monitoring.whitebox.EppMetric;
 import google.registry.persistence.VKey;
 import google.registry.testing.DatabaseHelper;
+import google.registry.testing.TaskQueueExtension;
 import google.registry.testing.TaskQueueHelper.TaskMatcher;
 import java.math.BigDecimal;
 import java.util.Map;
@@ -188,10 +189,13 @@ import org.joda.time.DateTime;
 import org.joda.time.Duration;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Unit tests for {@link DomainCreateFlow}. */
 class DomainCreateFlowTest extends ResourceFlowTestCase<DomainCreateFlow, Domain> {
 
+  @RegisterExtension TaskQueueExtension taskQueue = new TaskQueueExtension();
+
   private static final String CLAIMS_KEY = "2013041500/2/6/9/rJ1NrDO92vDsAzf7EQzgjX4R0000000001";
 
   private AllocationToken allocationToken;

core/src/test/java/google/registry/flows/domain/DomainDeleteFlowTest.java

@@ -101,16 +101,20 @@ import google.registry.model.transfer.TransferResponse;
 import google.registry.model.transfer.TransferStatus;
 import google.registry.testing.CloudTasksHelper.TaskMatcher;
 import google.registry.testing.DatabaseHelper;
+import google.registry.testing.TaskQueueExtension;
 import java.util.Map;
 import org.joda.money.Money;
 import org.joda.time.DateTime;
 import org.joda.time.Duration;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Unit tests for {@link DomainDeleteFlow}. */
 class DomainDeleteFlowTest extends ResourceFlowTestCase<DomainDeleteFlow, Domain> {
 
+  @RegisterExtension final TaskQueueExtension taskQueue = new TaskQueueExtension();
+
   private Domain domain;
   private DomainHistory earlierHistoryEntry;
 

core/src/test/java/google/registry/flows/domain/DomainFlowUtilsTest.java

@@ -39,7 +39,7 @@ import google.registry.flows.domain.DomainFlowUtils.TldDoesNotExistException;
 import google.registry.flows.domain.DomainFlowUtils.TrailingDashException;
 import google.registry.model.domain.Domain;
 import google.registry.model.tld.Registry.TldType;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTransactionManagerExtension;
 import org.joda.money.Money;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -51,7 +51,7 @@ class DomainFlowUtilsTest extends ResourceFlowTestCase<DomainInfoFlow, Domain> {
   void setup() {
     setEppInput("domain_info.xml");
     createTld("tld");
-    persistResource(AppEngineExtension.makeRegistrar1().asBuilder().build());
+    persistResource(JpaTransactionManagerExtension.makeRegistrar1().asBuilder().build());
   }
 
   @Test

core/src/test/java/google/registry/flows/domain/DomainInfoFlowTest.java

@@ -74,7 +74,7 @@ import google.registry.model.host.Host;
 import google.registry.model.reporting.HistoryEntry;
 import google.registry.model.tld.Registry;
 import google.registry.persistence.VKey;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTransactionManagerExtension;
 import google.registry.testing.DatabaseHelper;
 import google.registry.xml.ValidationMode;
 import java.util.regex.Pattern;
@@ -115,7 +115,10 @@ class DomainInfoFlowTest extends ResourceFlowTestCase<DomainInfoFlow, Domain> {
     sessionMetadata.setRegistrarId("NewRegistrar");
     createTld("tld");
     persistResource(
-        AppEngineExtension.makeRegistrar1().asBuilder().setRegistrarId("ClientZ").build());
+        JpaTransactionManagerExtension.makeRegistrar1()
+            .asBuilder()
+            .setRegistrarId("ClientZ")
+            .build());
   }
 
   private void persistTestEntities(String domainName, boolean inactive) {

core/src/test/java/google/registry/flows/domain/DomainPricingLogicTest.java

@@ -46,7 +46,8 @@ import google.registry.model.domain.DomainHistory;
 import google.registry.model.domain.fee.Fee;
 import google.registry.model.eppinput.EppInput;
 import google.registry.model.tld.Registry;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.DatabaseHelper;
 import google.registry.testing.FakeClock;
 import google.registry.testing.FakeHttpSession;
@@ -65,7 +66,8 @@ public class DomainPricingLogicTest {
   DomainPricingLogic domainPricingLogic;
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @Inject Clock clock = new FakeClock(DateTime.now(UTC));
   @Mock EppInput eppInput;

core/src/test/java/google/registry/flows/domain/DomainRestoreRequestFlowTest.java

@@ -75,16 +75,20 @@ import google.registry.model.reporting.DomainTransactionRecord.TransactionReport
 import google.registry.model.reporting.HistoryEntry;
 import google.registry.model.tld.Registry;
 import google.registry.testing.DatabaseHelper;
+import google.registry.testing.TaskQueueExtension;
 import java.util.Map;
 import java.util.Optional;
 import org.joda.money.Money;
 import org.joda.time.DateTime;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Unit tests for {@link DomainRestoreRequestFlow}. */
 class DomainRestoreRequestFlowTest extends ResourceFlowTestCase<DomainRestoreRequestFlow, Domain> {
 
+  @RegisterExtension final TaskQueueExtension taskQueue = new TaskQueueExtension();
+
   private static final ImmutableMap<String, String> FEE_06_MAP =
       ImmutableMap.of("FEE_VERSION", "0.6", "FEE_NS", "fee", "CURRENCY", "USD");
   private static final ImmutableMap<String, String> FEE_11_MAP =

core/src/test/java/google/registry/flows/domain/DomainTransferFlowTestCase.java

@@ -44,7 +44,7 @@ import google.registry.model.reporting.HistoryEntry;
 import google.registry.model.tld.Registry;
 import google.registry.model.transfer.TransferData;
 import google.registry.model.transfer.TransferStatus;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTransactionManagerExtension;
 import org.joda.time.DateTime;
 import org.joda.time.Duration;
 import org.junit.jupiter.api.BeforeEach;
@@ -86,7 +86,10 @@ abstract class DomainTransferFlowTestCase<F extends Flow, R extends EppResource>
     // Registrar ClientZ is used in tests that need another registrar that definitely doesn't own
     // the resources in question.
     persistResource(
-        AppEngineExtension.makeRegistrar1().asBuilder().setRegistrarId("ClientZ").build());
+        JpaTransactionManagerExtension.makeRegistrar1()
+            .asBuilder()
+            .setRegistrarId("ClientZ")
+            .build());
   }
 
   static Domain persistWithPendingTransfer(Domain domain) {

core/src/test/java/google/registry/flows/domain/DomainUpdateFlowTest.java

@@ -106,15 +106,19 @@ import google.registry.model.poll.PollMessage;
 import google.registry.model.tld.Registry;
 import google.registry.persistence.VKey;
 import google.registry.testing.DatabaseHelper;
+import google.registry.testing.TaskQueueExtension;
 import java.util.Optional;
 import org.joda.money.Money;
 import org.joda.time.DateTime;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Unit tests for {@link DomainUpdateFlow}. */
 class DomainUpdateFlowTest extends ResourceFlowTestCase<DomainUpdateFlow, Domain> {
 
+  @RegisterExtension final TaskQueueExtension taskQueue = new TaskQueueExtension();
+
   private static final DomainDsData SOME_DSDATA =
       DomainDsData.create(
           1,

core/src/test/java/google/registry/flows/domain/token/AllocationTokenFlowUtilsTest.java

@@ -49,7 +49,8 @@ import google.registry.model.domain.token.AllocationToken.TokenStatus;
 import google.registry.model.domain.token.AllocationTokenExtension;
 import google.registry.model.reporting.HistoryEntry.HistoryEntryId;
 import google.registry.model.tld.Registry;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.DatabaseHelper;
 import java.util.Optional;
 import org.joda.time.DateTime;
@@ -64,7 +65,8 @@ class AllocationTokenFlowUtilsTest {
       new AllocationTokenFlowUtils(new AllocationTokenCustomLogic());
 
   @RegisterExtension
-  final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private final AllocationTokenExtension allocationTokenExtension =
       mock(AllocationTokenExtension.class);

core/src/test/java/google/registry/flows/host/HostCreateFlowTest.java

@@ -54,12 +54,16 @@ import google.registry.model.eppcommon.StatusValue;
 import google.registry.model.host.Host;
 import google.registry.model.reporting.HistoryEntry;
 import google.registry.testing.DatabaseHelper;
+import google.registry.testing.TaskQueueExtension;
 import org.joda.time.DateTime;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Unit tests for {@link HostCreateFlow}. */
 class HostCreateFlowTest extends ResourceFlowTestCase<HostCreateFlow, Host> {
 
+  @RegisterExtension TaskQueueExtension taskQueue = new TaskQueueExtension();
+
   private void setEppHostCreateInput(String hostName, String hostAddrs) {
     setEppInput(
         "host_create.xml",

core/src/test/java/google/registry/flows/host/HostDeleteFlowTest.java

@@ -48,13 +48,17 @@ import google.registry.model.tld.Registry;
 import google.registry.model.transfer.DomainTransferData;
 import google.registry.model.transfer.TransferStatus;
 import google.registry.testing.DatabaseHelper;
+import google.registry.testing.TaskQueueExtension;
 import org.joda.time.DateTime;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Unit tests for {@link HostDeleteFlow}. */
 class HostDeleteFlowTest extends ResourceFlowTestCase<HostDeleteFlow, Host> {
 
+  @RegisterExtension TaskQueueExtension taskQueue = new TaskQueueExtension();
+
   @BeforeEach
   void initFlowTest() {
     setEppInput("host_delete.xml", ImmutableMap.of("HOSTNAME", "ns1.example.tld"));

core/src/test/java/google/registry/flows/host/HostFlowUtilsTest.java

@@ -25,7 +25,8 @@ import google.registry.flows.host.HostFlowUtils.HostNameNotPunyCodedException;
 import google.registry.flows.host.HostFlowUtils.HostNameTooLongException;
 import google.registry.flows.host.HostFlowUtils.HostNameTooShallowException;
 import google.registry.flows.host.HostFlowUtils.InvalidHostNameException;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.RegisterExtension;
 
@@ -33,7 +34,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 class HostFlowUtilsTest {
 
   @RegisterExtension
-  final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @Test
   void test_validExternalHostName_validates() throws Exception {

core/src/test/java/google/registry/flows/host/HostUpdateFlowTest.java

@@ -81,13 +81,17 @@ import google.registry.model.transfer.TransferStatus;
 import google.registry.persistence.VKey;
 import google.registry.testing.CloudTasksHelper.TaskMatcher;
 import google.registry.testing.DatabaseHelper;
+import google.registry.testing.TaskQueueExtension;
 import javax.annotation.Nullable;
 import org.joda.time.DateTime;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Unit tests for {@link HostUpdateFlow}. */
 class HostUpdateFlowTest extends ResourceFlowTestCase<HostUpdateFlow, Host> {
 
+  @RegisterExtension TaskQueueExtension taskQueue = new TaskQueueExtension();
+
   private void setEppHostUpdateInput(
       String oldHostName, String newHostName, String ipOrStatusToAdd, String ipOrStatusToRem) {
     setEppInput(

core/src/test/java/google/registry/model/EntityTestCase.java

@@ -16,9 +16,13 @@ package google.registry.model;
 
 import static org.joda.time.DateTimeZone.UTC;
 
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaEntityCoverageExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.FakeClock;
 import org.joda.time.DateTime;
+import org.junit.jupiter.api.Order;
+import org.junit.jupiter.api.extension.ExtensionContext;
 import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Base class of all unit tests for entities which are persisted to SQL. */
@@ -36,18 +40,29 @@ public abstract class EntityTestCase {
 
   protected FakeClock fakeClock = new FakeClock(DateTime.now(UTC));
 
-  @RegisterExtension public final AppEngineExtension appEngine;
+  @Order(Order.DEFAULT)
+  @RegisterExtension
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().withClock(fakeClock).buildIntegrationTestExtension();
+
+  @Order(Order.DEFAULT + 1)
+  @RegisterExtension
+  final JpaEntityCoverageExtension coverage;
 
   protected EntityTestCase() {
     this(JpaEntityCoverageCheck.DISABLED);
   }
 
   protected EntityTestCase(JpaEntityCoverageCheck jpaEntityCoverageCheck) {
-    appEngine =
-        AppEngineExtension.builder()
-            .withCloudSql()
-            .enableJpaEntityCoverageCheck(jpaEntityCoverageCheck == JpaEntityCoverageCheck.ENABLED)
-            .withClock(fakeClock)
-            .build();
+    coverage =
+        jpaEntityCoverageCheck == JpaEntityCoverageCheck.ENABLED
+            ? new JpaEntityCoverageExtension()
+            : new JpaEntityCoverageExtension() {
+              @Override
+              public void beforeEach(ExtensionContext context) {}
+
+              @Override
+              public void afterEach(ExtensionContext context) {}
+            };
   }
 }

core/src/test/java/google/registry/model/EppResourceUtilsTest.java

@@ -23,7 +23,8 @@ import static google.registry.util.DateTimeUtils.START_OF_TIME;
 import static org.joda.time.DateTimeZone.UTC;
 
 import google.registry.model.host.Host;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.FakeClock;
 import org.joda.time.DateTime;
 import org.joda.time.Duration;
@@ -37,8 +38,8 @@ class EppResourceUtilsTest {
   private final FakeClock clock = new FakeClock(DateTime.now(UTC));
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withClock(clock).withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().withClock(clock).buildIntegrationTestExtension();
 
   @BeforeEach
   void beforeEach() {

core/src/test/java/google/registry/model/ImmutableObjectTest.java

@@ -26,7 +26,8 @@ import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Iterables;
 import google.registry.persistence.VKey;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaUnitTestExtension;
 import google.registry.util.CidrAddressBlock;
 import java.lang.reflect.Field;
 import java.util.ArrayDeque;
@@ -46,11 +47,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public class ImmutableObjectTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder()
-          .withCloudSql()
-          .withJpaUnitTestEntities(ValueObject.class)
-          .build();
+  final JpaUnitTestExtension jpa =
+      new JpaTestExtensions.Builder().withEntityClass(ValueObject.class).buildUnitTestExtension();
 
   /** Simple subclass of ImmutableObject. */
   public static class SimpleObject extends ImmutableObject {

core/src/test/java/google/registry/model/ModelUtilsTest.java

@@ -17,19 +17,14 @@ package google.registry.model;
 import static com.google.common.truth.Truth.assertThat;
 
 import com.google.common.collect.ImmutableMap;
-import google.registry.testing.AppEngineExtension;
 import java.lang.reflect.Field;
 import java.util.Map;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Unit tests for {@link ModelUtils}. */
 public class ModelUtilsTest {
 
-  @RegisterExtension
-  public AppEngineExtension appEngineExtension = new AppEngineExtension.Builder().build();
-
   /** Test class for reflection methods. */
   public static class TestClass extends ImmutableObject implements Buildable {
 

core/src/test/java/google/registry/model/OteAccountBuilderTest.java

@@ -18,7 +18,7 @@ import static com.google.common.truth.Truth.assertThat;
 import static com.google.common.truth.Truth8.assertThat;
 import static google.registry.model.tld.Registry.TldState.GENERAL_AVAILABILITY;
 import static google.registry.model.tld.Registry.TldState.START_DATE_SUNRISE;
-import static google.registry.testing.AppEngineExtension.makeRegistrar1;
+import static google.registry.persistence.transaction.JpaTransactionManagerExtension.makeRegistrar1;
 import static google.registry.testing.CertificateSamples.SAMPLE_CERT;
 import static google.registry.testing.CertificateSamples.SAMPLE_CERT_HASH;
 import static google.registry.testing.DatabaseHelper.createTld;
@@ -33,7 +33,8 @@ import google.registry.model.registrar.Registrar;
 import google.registry.model.registrar.RegistrarPoc;
 import google.registry.model.tld.Registry;
 import google.registry.model.tld.Registry.TldState;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.util.CidrAddressBlock;
 import google.registry.util.SystemClock;
 import org.joda.money.Money;
@@ -47,7 +48,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public final class OteAccountBuilderTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @Test
   void testGetRegistrarToTldMap() {

core/src/test/java/google/registry/model/OteStatsTest.java

@@ -18,7 +18,8 @@ import static com.google.common.truth.Truth.assertThat;
 import static google.registry.testing.DatabaseHelper.createTld;
 
 import google.registry.model.OteStats.StatType;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.RegisterExtension;
@@ -26,7 +27,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public final class OteStatsTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @BeforeEach
   void beforeEach() {

core/src/test/java/google/registry/model/adapters/StatusValueAdapterTest.java

@@ -28,18 +28,12 @@ import google.registry.model.eppoutput.EppOutput;
 import google.registry.model.eppoutput.EppResponse;
 import google.registry.model.host.HostCommand;
 import google.registry.model.host.HostInfoData;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.EppLoader;
 import google.registry.xml.ValidationMode;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
 
 public class StatusValueAdapterTest {
 
-  // Needed to create Hosts.
-  @RegisterExtension
-  public AppEngineExtension appEngine = new AppEngineExtension.Builder().withCloudSql().build();
-
   @Test
   void testMarshalling() throws Exception {
     // Mangle the status value through marshalling by stuffing it in a host info response and then

core/src/test/java/google/registry/model/contact/ContactCommandTest.java

@@ -25,17 +25,12 @@ import com.google.common.collect.ImmutableList;
 import google.registry.model.contact.ContactCommand.Update;
 import google.registry.model.contact.ContactCommand.Update.Change;
 import google.registry.model.eppinput.EppInput.ResourceCommandWrapper;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.EppLoader;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Test xml roundtripping of commands. */
 public class ContactCommandTest {
 
-  @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
-
   private void doXmlRoundtripTest(String inputFilename) throws Exception {
     EppLoader eppLoader = new EppLoader(this, inputFilename);
     // JAXB can unmarshal a "name" or an "id" into the "targetId" field, but when marshaling it

core/src/test/java/google/registry/model/domain/DomainSqlTest.java

@@ -47,7 +47,8 @@ import google.registry.model.eppcommon.StatusValue;
 import google.registry.model.host.Host;
 import google.registry.model.transfer.ContactTransferData;
 import google.registry.persistence.VKey;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationWithCoverageExtension;
 import google.registry.testing.FakeClock;
 import google.registry.util.SerializeUtils;
 import java.util.Arrays;
@@ -63,12 +64,8 @@ public class DomainSqlTest {
   protected FakeClock fakeClock = new FakeClock(DateTime.now(UTC));
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder()
-          .withCloudSql()
-          .enableJpaEntityCoverageCheck(true)
-          .withClock(fakeClock)
-          .build();
+  final JpaIntegrationWithCoverageExtension jpa =
+      new JpaTestExtensions.Builder().withClock(fakeClock).buildIntegrationWithCoverageExtension();
 
   private Domain domain;
   private VKey<Contact> contactKey;

core/src/test/java/google/registry/model/domain/DomainTest.java

@@ -65,7 +65,8 @@ import google.registry.model.tld.Registry;
 import google.registry.model.transfer.DomainTransferData;
 import google.registry.model.transfer.TransferStatus;
 import google.registry.persistence.VKey;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationWithCoverageExtension;
 import google.registry.testing.DatabaseHelper;
 import google.registry.testing.FakeClock;
 import java.util.Optional;
@@ -82,12 +83,8 @@ public class DomainTest {
   protected FakeClock fakeClock = new FakeClock(DateTime.now(UTC));
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder()
-          .withCloudSql()
-          .enableJpaEntityCoverageCheck(true)
-          .withClock(fakeClock)
-          .build();
+  final JpaIntegrationWithCoverageExtension jpa =
+      new JpaTestExtensions.Builder().withClock(fakeClock).buildIntegrationWithCoverageExtension();
 
   private Domain domain;
   private VKey<BillingEvent.OneTime> oneTimeBillKey;

core/src/test/java/google/registry/model/domain/GracePeriodTest.java

@@ -24,7 +24,8 @@ import google.registry.model.billing.BillingEvent.Recurring;
 import google.registry.model.domain.rgp.GracePeriodStatus;
 import google.registry.model.reporting.HistoryEntry.HistoryEntryId;
 import google.registry.persistence.VKey;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import org.joda.money.CurrencyUnit;
 import org.joda.money.Money;
 import org.joda.time.DateTime;
@@ -36,10 +37,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public class GracePeriodTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder()
-          .withCloudSql() // Needed to be able to construct Keys.
-          .build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private final DateTime now = DateTime.now(UTC);
   private BillingEvent.OneTime onetime;

core/src/test/java/google/registry/model/poll/PollMessageExternalKeyConverterTest.java

@@ -31,7 +31,8 @@ import google.registry.model.eppcommon.Trid;
 import google.registry.model.poll.PollMessageExternalKeyConverter.PollMessageExternalKeyParseException;
 import google.registry.model.reporting.HistoryEntry;
 import google.registry.persistence.VKey;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.DatabaseHelper;
 import google.registry.testing.FakeClock;
 import org.joda.time.DateTime;
@@ -43,7 +44,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public class PollMessageExternalKeyConverterTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private HistoryEntry historyEntry;
   private final FakeClock clock = new FakeClock(DateTime.parse("2007-07-07T01:01:01Z"));

core/src/test/java/google/registry/model/smd/SignedMarkRevocationListTest.java

@@ -20,7 +20,8 @@ import static org.joda.time.Duration.standardDays;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import com.google.common.collect.ImmutableMap;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.FakeClock;
 import org.joda.time.DateTime;
 import org.junit.jupiter.api.Test;
@@ -30,7 +31,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public class SignedMarkRevocationListTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private final FakeClock clock = new FakeClock(DateTime.parse("2013-01-01T00:00:00Z"));
 

core/src/test/java/google/registry/model/tld/RegistriesTest.java

@@ -23,7 +23,8 @@ import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import com.google.common.net.InternetDomainName;
 import google.registry.model.tld.Registry.TldType;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.RegisterExtension;
 
@@ -31,7 +32,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 class RegistriesTest {
 
   @RegisterExtension
-  final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private void initTestTlds() {
     createTlds("foo", "a.b.c"); // Test a multipart tld.

core/src/test/java/google/registry/model/tld/label/GenrulePremiumListTest.java

@@ -21,11 +21,9 @@ import com.google.common.flogger.FluentLogger;
 import com.google.common.io.Resources;
 import com.google.common.reflect.ClassPath;
 import com.google.common.reflect.ClassPath.ResourceInfo;
-import google.registry.testing.AppEngineExtension;
 import java.net.URL;
 import java.util.List;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Presubmit tests for {@link PremiumList} configuration files. */
 class GenrulePremiumListTest {
@@ -33,9 +31,6 @@ class GenrulePremiumListTest {
   private static final FluentLogger logger = FluentLogger.forEnclosingClass();
   private static final String LISTS_DIRECTORY = "google/registry/config/files/premium/";
 
-  @RegisterExtension
-  final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
-
   @Test
   void testParse_allPremiumLists() throws Exception {
     ClassPath classpath = ClassPath.from(getClass().getClassLoader());

core/src/test/java/google/registry/model/tld/label/GenruleReservedListTest.java

@@ -21,11 +21,9 @@ import com.google.common.flogger.FluentLogger;
 import com.google.common.io.Resources;
 import com.google.common.reflect.ClassPath;
 import com.google.common.reflect.ClassPath.ResourceInfo;
-import google.registry.testing.AppEngineExtension;
 import java.net.URL;
 import java.util.List;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Presubmit tests for {@link ReservedList} configuration files. */
 class GenruleReservedListTest {
@@ -33,9 +31,6 @@ class GenruleReservedListTest {
   private static final FluentLogger logger = FluentLogger.forEnclosingClass();
   private static final String LISTS_DIRECTORY = "google/registry/config/files/reserved/";
 
-  @RegisterExtension
-  final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
-
   @Test
   void testParse_allReservedLists() throws Exception {
     ClassPath classpath = ClassPath.from(getClass().getClassLoader());

core/src/test/java/google/registry/model/tld/label/PremiumListDaoTest.java

@@ -28,7 +28,8 @@ import com.google.common.base.Stopwatch;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.flogger.FluentLogger;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationWithCoverageExtension;
 import google.registry.testing.FakeClock;
 import google.registry.testing.TestCacheExtension;
 import java.math.BigDecimal;
@@ -50,12 +51,8 @@ public class PremiumListDaoTest {
   private final FakeClock fakeClock = new FakeClock();
 
   @RegisterExtension
-  final AppEngineExtension appEngine =
-      AppEngineExtension.builder()
-          .withCloudSql()
-          .enableJpaEntityCoverageCheck(true)
-          .withClock(fakeClock)
-          .build();
+  final JpaIntegrationWithCoverageExtension jpa =
+      new JpaTestExtensions.Builder().withClock(fakeClock).buildIntegrationWithCoverageExtension();
 
   // Set long persist times on caches so they can be tested (cache times default to 0 in tests).
   @RegisterExtension

core/src/test/java/google/registry/model/tld/label/PremiumListTest.java

@@ -29,7 +29,8 @@ import com.google.common.collect.ImmutableList;
 import com.google.common.hash.BloomFilter;
 import google.registry.model.tld.Registry;
 import google.registry.model.tld.label.PremiumList.PremiumEntry;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import java.math.BigDecimal;
 import org.joda.money.Money;
 import org.junit.jupiter.api.BeforeEach;
@@ -40,7 +41,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public class PremiumListTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @BeforeEach
   void before() {

core/src/test/java/google/registry/model/tld/label/PremiumListUtilsTest.java

@@ -20,17 +20,12 @@ import static org.joda.money.CurrencyUnit.USD;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import com.google.common.collect.ImmutableList;
-import google.registry.testing.AppEngineExtension;
 import java.math.BigDecimal;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Unit tests for {@link PremiumListUtils}. */
 class PremiumListUtilsTest {
 
-  @RegisterExtension
-  final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
-
   @Test
   void parseInputToPremiumList_works() {
     PremiumList premiumList =

core/src/test/java/google/registry/model/tld/label/ReservedListTest.java

@@ -34,7 +34,8 @@ import static org.junit.jupiter.api.Assertions.assertThrows;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import google.registry.model.tld.Registry;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.FakeClock;
 import org.joda.time.DateTime;
 import org.junit.jupiter.api.BeforeEach;
@@ -47,8 +48,8 @@ class ReservedListTest {
   private FakeClock clock = new FakeClock(DateTime.parse("2010-01-01T10:00:00Z"));
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withClock(clock).withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().withClock(clock).buildIntegrationTestExtension();
 
   @BeforeEach
   void beforeEach() {

core/src/test/java/google/registry/model/transfer/TransferDataTest.java

@@ -26,18 +26,13 @@ import google.registry.model.domain.Period;
 import google.registry.model.eppcommon.Trid;
 import google.registry.model.poll.PollMessage;
 import google.registry.persistence.VKey;
-import google.registry.testing.AppEngineExtension;
 import org.joda.time.DateTime;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Unit tests for {@link TransferData}. */
 public class TransferDataTest {
 
-  @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
-
   private final DateTime now = DateTime.now(UTC);
 
   private VKey<BillingEvent.OneTime> transferBillingEventKey;

core/src/test/java/google/registry/module/backend/BackendServletTest.java

@@ -18,19 +18,13 @@ import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import google.registry.testing.AppEngineExtension;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Unit tests for {@link BackendServlet}. */
 class BackendServletTest {
 
-  @RegisterExtension
-  final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withLocalModules().build();
-
   private final HttpServletRequest req = mock(HttpServletRequest.class);
   private final HttpServletResponse rsp = mock(HttpServletResponse.class);
 

core/src/test/java/google/registry/module/frontend/FrontendServletTest.java

@@ -18,19 +18,13 @@ import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import google.registry.testing.AppEngineExtension;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Unit tests for {@link FrontendServlet}. */
 class FrontendServletTest {
 
-  @RegisterExtension
-  final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withLocalModules().build();
-
   private final HttpServletRequest req = mock(HttpServletRequest.class);
   private final HttpServletResponse rsp = mock(HttpServletResponse.class);
 

core/src/test/java/google/registry/module/pubapi/PubApiServletTest.java

@@ -18,19 +18,13 @@ import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import google.registry.testing.AppEngineExtension;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** Unit tests for {@link PubApiServlet}. */
 class PubApiServletTest {
 
-  @RegisterExtension
-  final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withLocalModules().build();
-
   private final HttpServletRequest req = mock(HttpServletRequest.class);
   private final HttpServletResponse rsp = mock(HttpServletResponse.class);
 

core/src/test/java/google/registry/monitoring/whitebox/EppMetricTest.java

@@ -19,7 +19,8 @@ import static google.registry.testing.DatabaseHelper.createTld;
 import static google.registry.testing.DatabaseHelper.createTlds;
 
 import com.google.common.collect.ImmutableSet;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.FakeClock;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.RegisterExtension;
@@ -28,7 +29,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 class EppMetricTest {
 
   @RegisterExtension
-  final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @Test
   void test_invalidTld_isRecordedAsInvalid() {

core/src/test/java/google/registry/persistence/converter/InetAddressSetConverterTest.java

@@ -22,7 +22,8 @@ import com.google.common.collect.ImmutableSet;
 import com.google.common.net.InetAddresses;
 import google.registry.model.ImmutableObject;
 import google.registry.persistence.VKey;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaUnitTestExtension;
 import java.net.InetAddress;
 import java.util.Set;
 import javax.annotation.Nullable;
@@ -35,11 +36,10 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public class InetAddressSetConverterTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder()
-          .withCloudSql()
-          .withJpaUnitTestEntities(InetAddressSetTestEntity.class)
-          .build();
+  public final JpaUnitTestExtension jpa =
+      new JpaTestExtensions.Builder()
+          .withEntityClass(InetAddressSetTestEntity.class)
+          .buildUnitTestExtension();
 
   @Test
   void roundTripConversion_returnsSameAddresses() {

core/src/test/java/google/registry/persistence/transaction/DummyJpaTransactionManagerTest.java

@@ -17,15 +17,11 @@ package google.registry.persistence.transaction;
 import static google.registry.persistence.transaction.TransactionManagerFactory.tm;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
-import google.registry.testing.AppEngineExtension;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
 
 /** JUnit test for {@link DummyJpaTransactionManager} */
 class DummyJpaTransactionManagerTest {
 
-  @RegisterExtension final AppEngineExtension appEngine = AppEngineExtension.builder().build();
-
   @Test
   void throwsExceptionWhenAnyMethodIsInvoked() {
     assertThrows(UnsupportedOperationException.class, () -> tm().transact(() -> null));

core/src/test/java/google/registry/persistence/transaction/JpaTransactionManagerExtension.java

@@ -54,6 +54,7 @@ import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
 import java.util.Properties;
+import java.util.TimeZone;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 import javax.persistence.Entity;
@@ -80,7 +81,8 @@ import org.testcontainers.containers.PostgreSQLContainer;
  * itself, so that all SQL queries will be sent to the database instance created by {@link
  * PostgreSQLContainer} to achieve test purpose.
  */
-abstract class JpaTransactionManagerExtension implements BeforeEachCallback, AfterEachCallback {
+public abstract class JpaTransactionManagerExtension
+    implements BeforeEachCallback, AfterEachCallback {
 
   private static final String DB_CLEANUP_SQL_PATH =
       "google/registry/persistence/transaction/cleanup_database.sql";
@@ -113,9 +115,11 @@ abstract class JpaTransactionManagerExtension implements BeforeEachCallback, Aft
   // to false.
   private boolean includeNomulusSchema = true;
 
-  // Whether to prepolulate some registrars for ease of testing.
+  // Whether to pre-polulate some registrars for ease of testing.
   private final boolean withCannedData;
 
+  private TimeZone originalDefaultTimeZone;
+
   JpaTransactionManagerExtension(
       Clock clock,
       Optional<String> initScriptPath,
@@ -206,6 +210,8 @@ abstract class JpaTransactionManagerExtension implements BeforeEachCallback, Aft
 
   @Override
   public void beforeEach(ExtensionContext context) throws Exception {
+    originalDefaultTimeZone = TimeZone.getDefault();
+    TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
     if (entityHash == emfEntityHash) {
       checkState(emf != null, "Missing EntityManagerFactory.");
       resetTablesAndSequences();
@@ -217,6 +223,16 @@ abstract class JpaTransactionManagerExtension implements BeforeEachCallback, Aft
     TransactionManagerFactory.setJpaTm(Suppliers.ofInstance(txnManager));
     TransactionManagerFactory.setReplicaJpaTm(
         Suppliers.ofInstance(new ReplicaSimulatingJpaTransactionManager(txnManager)));
+    // Reset SQL Sequence based id allocation so that ids are deterministic in tests.
+    TransactionManagerFactory.tm()
+        .transact(
+            () ->
+                TransactionManagerFactory.tm()
+                    .getEntityManager()
+                    .createNativeQuery(
+                        "alter sequence if exists project_wide_unique_id_seq start 1 minvalue 1"
+                            + " restart with 1")
+                    .executeUpdate());
     if (withCannedData) {
       loadInitialData();
     }
@@ -227,6 +243,7 @@ abstract class JpaTransactionManagerExtension implements BeforeEachCallback, Aft
     TransactionManagerFactory.setJpaTm(Suppliers.ofInstance(cachedTm));
     TransactionManagerFactory.setReplicaJpaTm(Suppliers.ofInstance(cachedTm));
     cachedTm = null;
+    TimeZone.setDefault(originalDefaultTimeZone);
   }
 
   public JdbcDatabaseContainer getDatabase() {

core/src/test/java/google/registry/pricing/PricingEngineProxyTest.java

@@ -28,7 +28,8 @@ import static org.junit.jupiter.api.Assertions.assertThrows;
 import com.google.common.collect.ImmutableSortedMap;
 import google.registry.model.tld.Registry;
 import google.registry.model.tld.label.PremiumList;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.FakeClock;
 import google.registry.util.Clock;
 import org.joda.money.Money;
@@ -41,7 +42,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public class PricingEngineProxyTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private Clock clock;
 

core/src/test/java/google/registry/rdap/RdapActionBaseTestCase.java

@@ -24,11 +24,12 @@ import static org.mockito.Mockito.mock;
 
 import com.google.appengine.api.users.User;
 import com.google.gson.JsonObject;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.request.Actions;
 import google.registry.request.auth.AuthLevel;
 import google.registry.request.auth.AuthResult;
 import google.registry.request.auth.UserAuthInfo;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.FakeClock;
 import google.registry.testing.FakeResponse;
 import google.registry.util.Idn;
@@ -43,7 +44,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 abstract class RdapActionBaseTestCase<A extends RdapActionBase> {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   protected static final AuthResult AUTH_RESULT =
       AuthResult.create(

core/src/test/java/google/registry/rdap/RdapJsonFormatterTest.java

@@ -42,12 +42,13 @@ import google.registry.model.registrar.RegistrarPoc;
 import google.registry.model.reporting.HistoryEntry;
 import google.registry.model.transfer.DomainTransferData;
 import google.registry.model.transfer.TransferStatus;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.rdap.RdapJsonFormatter.OutputDataType;
 import google.registry.rdap.RdapObjectClasses.BoilerplateType;
 import google.registry.rdap.RdapObjectClasses.RdapEntity;
 import google.registry.rdap.RdapObjectClasses.ReplyPayloadBase;
 import google.registry.rdap.RdapObjectClasses.TopLevelReplyObject;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.FakeClock;
 import google.registry.testing.FullFieldsTestEntityHelper;
 import org.joda.time.DateTime;
@@ -59,7 +60,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 class RdapJsonFormatterTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private final FakeClock clock = new FakeClock(DateTime.parse("1999-01-01T00:00:00Z"));
 

core/src/test/java/google/registry/rdap/UpdateRegistrarRdapBaseUrlsActionTest.java

@@ -15,7 +15,6 @@
 package google.registry.rdap;
 
 import static com.google.common.truth.Truth.assertThat;
-import static com.google.common.truth.Truth8.assertThat;
 import static google.registry.testing.DatabaseHelper.createTld;
 import static google.registry.testing.DatabaseHelper.loadRegistrar;
 import static google.registry.testing.DatabaseHelper.persistSimpleResource;
@@ -31,7 +30,8 @@ import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import google.registry.model.registrar.Registrar;
 import google.registry.model.registrar.RegistrarAddress;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.RegisterExtension;
@@ -58,8 +58,8 @@ public final class UpdateRegistrarRdapBaseUrlsActionTest {
           + " Registrar,Reserved,\n";
 
   @RegisterExtension
-  public AppEngineExtension appEngineExtension =
-      new AppEngineExtension.Builder().withCloudSql().build();
+  public JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private static class TestHttpTransport extends MockHttpTransport {
     private MockLowLevelHttpRequest requestSent;

core/src/test/java/google/registry/rde/BrdaCopyActionTest.java

@@ -37,8 +37,9 @@ import google.registry.model.common.Cursor;
 import google.registry.model.rde.RdeMode;
 import google.registry.model.rde.RdeRevision;
 import google.registry.model.tld.Registry;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.request.HttpException.NoContentException;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.BouncyCastleProviderExtension;
 import google.registry.testing.FakeKeyringModule;
 import google.registry.testing.GpgSystemCommandExtension;
@@ -73,7 +74,8 @@ public class BrdaCopyActionTest {
   public final BouncyCastleProviderExtension bouncy = new BouncyCastleProviderExtension();
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @RegisterExtension
   public final GpgSystemCommandExtension gpg =

core/src/test/java/google/registry/rde/ContactToXjcConverterTest.java

@@ -33,7 +33,8 @@ import google.registry.model.eppcommon.StatusValue;
 import google.registry.model.eppcommon.Trid;
 import google.registry.model.transfer.ContactTransferData;
 import google.registry.model.transfer.TransferStatus;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.xjc.contact.XjcContactPostalInfoEnumType;
 import google.registry.xjc.contact.XjcContactPostalInfoType;
 import google.registry.xjc.contact.XjcContactStatusType;
@@ -60,7 +61,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public class ContactToXjcConverterTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @BeforeEach
   void beforeEach() {

core/src/test/java/google/registry/rde/DomainToXjcConverterTest.java

@@ -54,7 +54,8 @@ import google.registry.model.rde.RdeMode;
 import google.registry.model.reporting.HistoryEntry;
 import google.registry.model.transfer.DomainTransferData;
 import google.registry.model.transfer.TransferStatus;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.DatabaseHelper;
 import google.registry.testing.FakeClock;
 import google.registry.util.Idn;
@@ -84,7 +85,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public class DomainToXjcConverterTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private final DateTime now = DateTime.parse("2014-01-01T00:00:00Z");
   private final FakeClock clock = new FakeClock(now);

core/src/test/java/google/registry/rde/EscrowTaskRunnerTest.java

@@ -27,10 +27,11 @@ import static org.mockito.Mockito.verify;
 import google.registry.model.common.Cursor;
 import google.registry.model.common.Cursor.CursorType;
 import google.registry.model.tld.Registry;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.rde.EscrowTaskRunner.EscrowTask;
 import google.registry.request.HttpException.NoContentException;
 import google.registry.request.HttpException.ServiceUnavailableException;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.FakeClock;
 import google.registry.testing.FakeLockHandler;
 import org.joda.time.DateTime;
@@ -44,8 +45,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public class EscrowTaskRunnerTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withCloudSql().withTaskQueue().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private final EscrowTask task = mock(EscrowTask.class);
   private final FakeClock clock = new FakeClock(DateTime.parse("2000-01-01TZ"));

core/src/test/java/google/registry/rde/HostToXjcConverterTest.java

@@ -25,7 +25,8 @@ import com.google.common.net.InetAddresses;
 import google.registry.model.domain.Domain;
 import google.registry.model.eppcommon.StatusValue;
 import google.registry.model.host.Host;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.DatabaseHelper;
 import google.registry.xjc.host.XjcHostStatusType;
 import google.registry.xjc.host.XjcHostStatusValueType;
@@ -46,7 +47,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public class HostToXjcConverterTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @BeforeEach
   void beforeEach() {

core/src/test/java/google/registry/rde/PendingDepositCheckerTest.java

@@ -32,7 +32,8 @@ import com.google.common.truth.Truth8;
 import google.registry.model.common.Cursor;
 import google.registry.model.common.Cursor.CursorType;
 import google.registry.model.tld.Registry;
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.testing.FakeClock;
 import org.joda.time.DateTime;
 import org.junit.jupiter.api.BeforeEach;
@@ -43,7 +44,8 @@ import org.junit.jupiter.api.extension.RegisterExtension;
 public class PendingDepositCheckerTest {
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private final FakeClock clock = new FakeClock();
   private final PendingDepositChecker checker = new PendingDepositChecker();

core/src/test/java/google/registry/rde/RdeMarshallerTest.java

@@ -18,7 +18,8 @@ import static com.google.common.truth.Truth.assertThat;
 import static google.registry.testing.DatabaseHelper.loadRegistrar;
 import static google.registry.xml.ValidationMode.STRICT;
 
-import google.registry.testing.AppEngineExtension;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.xml.XmlTestUtils;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.RegisterExtension;
@@ -30,7 +31,8 @@ public class RdeMarshallerTest {
       "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n";
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   @Test
   void testMarshalRegistrar_validData_producesXmlFragment() throws Exception {

core/src/test/java/google/registry/rde/RdeReportActionTest.java

@@ -48,9 +48,10 @@ import google.registry.gcs.GcsUtils;
 import google.registry.model.common.Cursor;
 import google.registry.model.rde.RdeRevision;
 import google.registry.model.tld.Registry;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.request.HttpException.InternalServerErrorException;
 import google.registry.request.HttpException.NoContentException;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.BouncyCastleProviderExtension;
 import google.registry.testing.FakeClock;
 import google.registry.testing.FakeKeyringModule;
@@ -82,7 +83,8 @@ public class RdeReportActionTest {
   public final BouncyCastleProviderExtension bouncy = new BouncyCastleProviderExtension();
 
   @RegisterExtension
-  public final AppEngineExtension appEngine = AppEngineExtension.builder().withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().buildIntegrationTestExtension();
 
   private final FakeResponse response = new FakeResponse();
   private final EscrowTaskRunner runner = mock(EscrowTaskRunner.class);

core/src/test/java/google/registry/rde/RdeStagingActionTest.java

@@ -30,8 +30,9 @@ import com.google.common.collect.ImmutableSet;
 import google.registry.beam.BeamActionTestBase;
 import google.registry.gcs.GcsUtils;
 import google.registry.model.tld.Registry;
+import google.registry.persistence.transaction.JpaTestExtensions;
+import google.registry.persistence.transaction.JpaTestExtensions.JpaIntegrationTestExtension;
 import google.registry.request.HttpException.BadRequestException;
-import google.registry.testing.AppEngineExtension;
 import google.registry.testing.FakeClock;
 import java.nio.charset.StandardCharsets;
 import java.util.Optional;
@@ -50,8 +51,8 @@ public class RdeStagingActionTest extends BeamActionTestBase {
   private final RdeStagingAction action = new RdeStagingAction();
 
   @RegisterExtension
-  public final AppEngineExtension extension =
-      AppEngineExtension.builder().withClock(clock).withCloudSql().build();
+  final JpaIntegrationTestExtension jpa =
+      new JpaTestExtensions.Builder().withClock(clock).buildIntegrationTestExtension();
 
   @BeforeEach
   @Override