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Fix hanging test (#1536)

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* Fix hanging test

Tests using the TestServerExtension may hang forever if an underlying
component (e.g., testcontainer for psql) fails. This may be the cause
of the some kokoro runs that timeed out after three hours.
This commit is contained in:
Weimin Yu
2022-03-03 14:43:32 -05:00
committed by GitHub
parent 267cbeb95b
commit a620b37c80
1 changed files with 17 additions and 4 deletions
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21
core/src/test/java/google/registry/webdriver/TestServerExtension.java
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@@ -33,6 +33,7 @@ import google.registry.testing.UserInfo;
import java.net.URL;
import java.net.UnknownHostException;
import java.nio.file.Path;
import java.time.Duration;
import java.util.Optional;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.Callable;
@@ -53,6 +54,8 @@ import org.junit.jupiter.api.extension.ExtensionContext;
*/
public final class TestServerExtension implements BeforeEachCallback, AfterEachCallback {
private static final Duration SERVER_STATUS_POLLING_INTERVAL = Duration.ofSeconds(5);
private final ImmutableList<Fixture> fixtures;
private final AppEngineExtension appEngineExtension;
private final BlockingQueue<FutureTask<?>> jobs = new LinkedBlockingDeque<>();
@@ -107,8 +110,11 @@ public final class TestServerExtension implements BeforeEachCallback, AfterEachC
serverThread = new Thread(server);
synchronized (this) {
serverThread.start();
while (!server.isRunning) {
this.wait();
while (server.serverStatus.equals(ServerStatus.NOT_STARTED)) {
this.wait(SERVER_STATUS_POLLING_INTERVAL.toMillis());
}
if (server.serverStatus.equals(ServerStatus.FAILED)) {
throw new RuntimeException("TestServer failed to start. See log for details.");
}
}
}
@@ -163,6 +169,12 @@ public final class TestServerExtension implements BeforeEachCallback, AfterEachC
return job.get();
}
enum ServerStatus {
NOT_STARTED,
RUNNING,
FAILED
}
private final class Server implements Runnable {
private ExtensionContext context;
@@ -171,7 +183,7 @@ public final class TestServerExtension implements BeforeEachCallback, AfterEachC
this.context = context;
}
private volatile boolean isRunning = false;
private volatile ServerStatus serverStatus = ServerStatus.NOT_STARTED;
@Override
public void run() {
@@ -185,6 +197,7 @@ public final class TestServerExtension implements BeforeEachCallback, AfterEachC
appEngineExtension.afterEach(context);
}
} catch (Throwable e) {
serverStatus = ServerStatus.FAILED;
throw new RuntimeException(e);
}
}
@@ -196,7 +209,7 @@ public final class TestServerExtension implements BeforeEachCallback, AfterEachC
testServer.start();
System.out.printf("TestServerExtension is listening on: %s\n", testServer.getUrl("/"));
synchronized (TestServerExtension.this) {
isRunning = true;
serverStatus = ServerStatus.RUNNING;
TestServerExtension.this.notify();
}
try {