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StateTrackingTestResultProcessor.java
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StateTrackingTestResultProcessor.java
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/*
* Copyright 2010 the original author or authors.
*
* 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 org.gradle.api.internal.tasks.testing.results;
import org.gradle.api.internal.tasks.testing.DecoratingTestDescriptor;
import org.gradle.api.internal.tasks.testing.TestCompleteEvent;
import org.gradle.api.internal.tasks.testing.TestDescriptorInternal;
import org.gradle.api.internal.tasks.testing.TestResultProcessor;
import org.gradle.api.internal.tasks.testing.TestStartEvent;
import org.gradle.api.tasks.testing.TestFailure;
import org.gradle.api.tasks.testing.TestOutputEvent;
import org.gradle.api.tasks.testing.TestResult;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class StateTrackingTestResultProcessor implements TestResultProcessor {
private final Map<Object, TestState> executing = new HashMap<Object, TestState>();
private TestDescriptorInternal currentParent;
private final TestListenerInternal delegate;
public StateTrackingTestResultProcessor(TestListenerInternal delegate) {
this.delegate = delegate;
}
@Override
public final void started(TestDescriptorInternal test, TestStartEvent event) {
TestDescriptorInternal parent = null;
if (event.getParentId() != null) {
parent = executing.get(event.getParentId()).test;
}
TestState state = new TestState(new DecoratingTestDescriptor(test, parent), event, executing);
TestState oldState = executing.put(test.getId(), state);
if (oldState != null) {
throw new IllegalArgumentException(String.format("Received a start event for %s with duplicate id '%s'.",
test, test.getId()));
}
delegate.started(state.test, event);
}
private void ensureChildrenCompleted(Object testId, long endTime) {
List<Object> incompleteChildren = new ArrayList<Object>();
for (Map.Entry<Object, TestState> entry : executing.entrySet()) {
if (testId.equals(entry.getValue().startEvent.getParentId())) {
incompleteChildren.add(entry.getKey());
}
}
if (!incompleteChildren.isEmpty()) {
TestCompleteEvent skippedEvent = new TestCompleteEvent(endTime, TestResult.ResultType.SKIPPED);
for (Object childTestId : incompleteChildren) {
completed(childTestId, skippedEvent);
}
}
}
@Override
public final void completed(Object testId, TestCompleteEvent event) {
ensureChildrenCompleted(testId, event.getEndTime());
TestState testState = executing.remove(testId);
if (testState == null) {
throw new IllegalArgumentException(String.format(
"Received a completed event for test with unknown id '%s'. Registered test ids: '%s'",
testId, executing.keySet()));
}
//In case the output event arrives after completion of the test
//and we need to have a matching descriptor to inform the user which test this output belongs to
//we will use the current parent
//(SF) This approach should generally work because at the moment we reset capturing output per suite
//(see CaptureTestOutputTestResultProcessor) and that reset happens earlier in the chain.
//So in theory when suite is completed, the output redirector has been already stopped
//and there shouldn't be any output events passed
//See also GRADLE-2035
currentParent = testState.test.getParent();
testState.completed(event);
delegate.completed(testState.test, new DefaultTestResult(testState), event);
}
@Override
public final void failure(Object testId, Throwable testFailure) {
TestState testState = executing.get(testId);
if (testState == null) {
throw new IllegalArgumentException(String.format(
"Received a failure event for test with unknown id '%s'. Registered test ids: '%s'",
testId, executing.keySet()));
}
if (testFailure instanceof TestFailure) {
testState.failures.add((TestFailure) testFailure);
} else {
testState.failures.add(TestFailure.fromTestFrameworkFailure(testFailure));
}
}
@Override
public final void output(Object testId, TestOutputEvent event) {
delegate.output(findDescriptor(testId), event);
}
private TestDescriptorInternal findDescriptor(Object testId) {
TestState state = executing.get(testId);
if (state != null) {
return state.test;
}
if (currentParent != null) {
return currentParent;
}
//in theory this should not happen
return new UnknownTestDescriptor();
}
}