| // Copyright 2012 The Bazel 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 com.google.testing.junit.runner.internal.junit4; |
| |
| import com.google.testing.junit.runner.internal.SignalHandlers; |
| import com.google.testing.junit.runner.internal.Stderr; |
| import com.google.testing.junit.runner.internal.Xml; |
| import com.google.testing.junit.runner.model.TestSuiteModel; |
| import java.io.OutputStream; |
| import java.io.PrintStream; |
| import java.util.function.Supplier; |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| import org.junit.Ignore; |
| import org.junit.runner.Description; |
| import org.junit.runner.Result; |
| import org.junit.runner.notification.Failure; |
| import org.junit.runner.notification.RunListener; |
| import sun.misc.Signal; |
| import sun.misc.SignalHandler; |
| |
| /** |
| * A listener that writes the test output as XML. |
| */ |
| @Singleton |
| public class JUnit4TestXmlListener extends RunListener { |
| private final Supplier<TestSuiteModel> modelSupplier; |
| private final CancellableRequestFactory requestFactory; |
| private final SignalHandlers signalHandlers; |
| private final OutputStream xmlStream; |
| private final PrintStream errPrintStream; |
| private volatile TestSuiteModel model; |
| |
| @Inject |
| public JUnit4TestXmlListener(Supplier<TestSuiteModel> modelSupplier, |
| CancellableRequestFactory requestFactory, SignalHandlers signalHandlers, |
| @Xml OutputStream xmlStream, @Stderr PrintStream errPrintStream) { |
| this.modelSupplier = modelSupplier; |
| this.requestFactory = requestFactory; |
| this.signalHandlers = signalHandlers; |
| this.xmlStream = xmlStream; |
| this.errPrintStream = errPrintStream; |
| } |
| |
| @Override |
| public void testRunStarted(Description description) throws Exception { |
| model = modelSupplier.get(); |
| |
| /* |
| * At this point, command line filtering has been applied. Mark all remaining tests as |
| * "pending"; any other tests will be considered "filtered". |
| */ |
| model.testRunStarted(description); |
| |
| signalHandlers.installHandler(new Signal("TERM"), new WriteXmlSignalHandler()); |
| } |
| |
| @Override |
| public void testStarted(Description description) throws Exception { |
| model.testStarted(description); |
| } |
| |
| @Override |
| public void testAssumptionFailure(Failure failure) { |
| model.testSkipped(failure.getDescription()); |
| } |
| |
| @Override |
| public void testFailure(Failure failure) throws Exception { |
| model.testFailure(failure.getDescription(), failure.getException()); |
| } |
| |
| @Override |
| public void testIgnored(Description description) throws Exception { |
| // TODO(bazel-team) There's a known issue in the JUnit4 ParentRunner that |
| // fires testIgnored on test suites that are being skipped due to an |
| // assumption failure. |
| if (isSuiteAssumptionFailure(description)) { |
| model.testSkipped(description); |
| } else { |
| model.testSuppressed(description); |
| } |
| } |
| |
| private boolean isSuiteAssumptionFailure(Description description) { |
| return description.isSuite() && description.getAnnotation(Ignore.class) == null; |
| } |
| |
| @Override |
| public void testFinished(Description description) throws Exception { |
| model.testFinished(description); |
| } |
| |
| @Override |
| public void testRunFinished(Result result) throws Exception { |
| model.writeAsXml(xmlStream); |
| } |
| |
| private class WriteXmlSignalHandler implements SignalHandler { |
| |
| @Override |
| public void handle(Signal signal) { |
| try { |
| errPrintStream.printf("%nReceived %s; writing test XML%n", signal.toString()); |
| requestFactory.cancelRun(); |
| model.testRunInterrupted(); |
| model.writeAsXml(xmlStream); |
| errPrintStream.println("Done writing test XML"); |
| } catch (Exception e) { |
| errPrintStream.println("Could not write test XML"); |
| e.printStackTrace(errPrintStream); |
| } |
| } |
| } |
| } |