/*
* 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.testng;
import org.gradle.api.GradleException;
import org.gradle.api.internal.tasks.testing.*;
import org.gradle.api.internal.tasks.testing.processors.CaptureTestOutputTestResultProcessor;
import org.gradle.api.internal.tasks.testing.filter.TestSelectionMatcher;
import org.gradle.api.internal.tasks.testing.results.AttachParentTestResultProcessor;
import org.gradle.internal.id.IdGenerator;
import org.gradle.internal.reflect.JavaReflectionUtil;
import org.gradle.internal.reflect.NoSuchMethodException;
import org.gradle.logging.StandardOutputRedirector;
import org.gradle.util.CollectionUtils;
import org.gradle.util.GFileUtils;
import org.testng.*;
import java.io.File;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
public class TestNGTestClassProcessor implements TestClassProcessor {
private final List<Class<?>> testClasses = new ArrayList<Class<?>>();
private final File testReportDir;
private final TestNGSpec options;
private final List<File> suiteFiles;
private final IdGenerator<?> idGenerator;
private final StandardOutputRedirector outputRedirector;
private ClassLoader applicationClassLoader;
private TestResultProcessor resultProcessor;
public TestNGTestClassProcessor(File testReportDir, TestNGSpec options, List<File> suiteFiles, IdGenerator<?> idGenerator,
StandardOutputRedirector outputRedirector) {
this.testReportDir = testReportDir;
this.options = options;
this.suiteFiles = suiteFiles;
this.idGenerator = idGenerator;
this.outputRedirector = outputRedirector;
}
public void startProcessing(TestResultProcessor resultProcessor) {
this.resultProcessor = resultProcessor;
applicationClassLoader = Thread.currentThread().getContextClassLoader();
}
public void processTestClass(TestClassRunInfo testClass) {
try {
testClasses.add(applicationClassLoader.loadClass(testClass.getTestClassName()));
} catch (Throwable e) {
throw new GradleException(String.format("Could not load test class '%s'.", testClass.getTestClassName()), e);
}
}
public void stop() {
TestNG testNg = new TestNG();
testNg.setOutputDirectory(testReportDir.getAbsolutePath());
testNg.setDefaultSuiteName(options.getDefaultSuiteName());
testNg.setDefaultTestName(options.getDefaultTestName());
testNg.setParallel(options.getParallel());
testNg.setThreadCount(options.getThreadCount());
try {
JavaReflectionUtil.method(TestNG.class, Object.class, "setAnnotations").invoke(testNg, options.getAnnotations());
} catch (NoSuchMethodException e) {
/* do nothing; method has been removed in TestNG 6.3 */
}
if (options.getJavadocAnnotations()) {
testNg.setSourcePath(CollectionUtils.join(File.pathSeparator, options.getTestResources()));
}
testNg.setUseDefaultListeners(options.getUseDefaultListeners());
testNg.setVerbose(0);
testNg.setGroups(CollectionUtils.join(",", options.getIncludeGroups()));
testNg.setExcludedGroups(CollectionUtils.join(",", options.getExcludeGroups()));
//adding custom test listeners before Gradle's listeners.
//this way, custom listeners are more powerful and, for example, they can change test status.
for (String listenerClass : options.getListeners()) {
try {
testNg.addListener(applicationClassLoader.loadClass(listenerClass).newInstance());
} catch (Throwable e) {
throw new GradleException(String.format("Could not add a test listener with class '%s'.", listenerClass), e);
}
}
if (!options.getIncludedTests().isEmpty()) {
testNg.addListener(new SelectedTestsFilter(options.getIncludedTests()));
}
TestResultProcessor processor = new CaptureTestOutputTestResultProcessor(resultProcessor, outputRedirector);
//TODO SF ugly, refactor, unit test coverage
if (!suiteFiles.isEmpty()) {
testNg.setTestSuites(GFileUtils.toPaths(suiteFiles));
Object rootId = idGenerator.generateId();
TestDescriptorInternal rootSuite = new DefaultTestSuiteDescriptor(rootId, options.getDefaultTestName());
TestResultProcessor decorator = new AttachParentTestResultProcessor(processor);
decorator.started(rootSuite, new TestStartEvent(System.currentTimeMillis()));
testNg.addListener((Object) adaptListener(new TestNGTestResultProcessorAdapter(decorator, idGenerator)));
try {
testNg.run();
} finally {
decorator.completed(rootId, new TestCompleteEvent(System.currentTimeMillis()));
}
} else {
testNg.setTestClasses(testClasses.toArray(new Class[testClasses.size()]));
testNg.addListener((Object) adaptListener(new TestNGTestResultProcessorAdapter(processor, idGenerator)));
testNg.run();
}
}
private ITestListener adaptListener(ITestListener listener) {
TestNGListenerAdapterFactory factory = new TestNGListenerAdapterFactory(applicationClassLoader);
return factory.createAdapter(listener);
}
private static class SelectedTestsFilter implements IMethodInterceptor {
private final TestSelectionMatcher matcher;
public SelectedTestsFilter(Set<String> includedTests) {
matcher = new TestSelectionMatcher(includedTests);
}
public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {
List<IMethodInstance> filtered = new LinkedList<IMethodInstance>();
for (IMethodInstance candidate : methods) {
if (matcher.matchesTest(candidate.getMethod().getTestClass().getName(), candidate.getMethod().getMethodName())) {
filtered.add(candidate);
}
}
return filtered;
}
}
}