Canonicalize domain/host names in initial import script (#1347)

* Canonicalize domain/host names in initial import script

* Add tests and make reduce some method visibility

core/src/test/java/google/registry/beam/initsql/TransformsTest.java

@@ -0,0 +1,64 @@
+// Copyright 2021 The Nomulus Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package google.registry.beam.initsql;
+
+import static com.google.common.truth.Truth.assertThat;
+import static google.registry.beam.initsql.Transforms.repairBadData;
+import static google.registry.model.ofy.ObjectifyService.auditedOfy;
+import static google.registry.persistence.transaction.TransactionManagerFactory.ofyTm;
+import static google.registry.testing.DatabaseHelper.createTld;
+import static google.registry.testing.DatabaseHelper.newDomainBase;
+import static google.registry.testing.DatabaseHelper.newHostResource;
+
+import com.google.appengine.api.datastore.Entity;
+import google.registry.model.domain.DomainBase;
+import google.registry.model.host.HostResource;
+import google.registry.testing.AppEngineExtension;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
+
+/** Unit tests for {@link Transforms}. */
+public class TransformsTest {
+
+  @RegisterExtension
+  public final AppEngineExtension appEngine =
+      AppEngineExtension.builder().withDatastoreAndCloudSql().build();
+
+  @BeforeEach
+  void beforeEach() {
+    createTld("tld");
+  }
+
+  @Test
+  void testRepairBadData_canonicalizesDomainName() {
+    DomainBase domain = newDomainBase("foobar.tld");
+    Entity entity = ofyTm().transact(() -> auditedOfy().toEntity(domain));
+    entity.setIndexedProperty("fullyQualifiedDomainName", "FOOBäR.TLD");
+    assertThat(((DomainBase) auditedOfy().toPojo(repairBadData(entity))).getDomainName())
+        .isEqualTo("xn--foobr-jra.tld");
+  }
+
+  @Test
+  void testRepairBadData_canonicalizesHostName() {
+    HostResource host = newHostResource("baz.foobar.tld");
+    Entity entity = ofyTm().transact(() -> auditedOfy().toEntity(host));
+    entity.setIndexedProperty(
+        "fullyQualifiedHostName", "b̴̹͔͓̣̭̫͇͕̻̬̱͇͗͌́̆̋͒a̶̬̖͚̋̈́̽̇͝͠z̵͠.FOOBäR.TLD");
+    assertThat(((HostResource) auditedOfy().toPojo(repairBadData(entity))).getHostName())
+        .isEqualTo(
+            "xn--baz-kdcb2ajgzb4jtg6doej4e6b9am7c7b6c5nd4k7gpa2a9a7dufyewec.xn--foobr-jra.tld");
+  }
+}