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/*
* Copyright 2000-2009 JetBrains s.r.o.
*
* 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.intellij.junit4;
import com.intellij.rt.execution.junit.*;
import com.intellij.rt.execution.junit.segments.OutputObjectRegistry;
import com.intellij.rt.execution.junit.segments.SegmentedOutputStream;
import org.junit.internal.requests.ClassRequest;
import org.junit.internal.requests.FilterRequest;
import org.junit.runner.*;
import org.junit.runner.manipulation.Filter;
import org.junit.runner.notification.RunListener;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/** @noinspection UnusedDeclaration*/
public class JUnit4IdeaTestRunner implements IdeaTestRunner {
private RunListener myTestsListener;
private OutputObjectRegistry myRegistry;
public int startRunnerWithArgs(String[] args, ArrayList listeners, String name, boolean sendTree) {
final Request request = JUnit4TestRunnerUtil.buildRequest(args, name, sendTree);
if (request == null) return -1;
final Runner testRunner = request.getRunner();
try {
Description description = testRunner.getDescription();
if (request instanceof ClassRequest) {
description = getSuiteMethodDescription(request, description);
}
else if (request instanceof FilterRequest) {
description = getFilteredDescription(request, description);
}
TreeSender.sendTree(this, description, sendTree);
}
catch (Exception e) {
//noinspection HardCodedStringLiteral
System.err.println("Internal Error occured.");
e.printStackTrace(System.err);
}
try {
final JUnitCore runner = new JUnitCore();
runner.addListener(myTestsListener);
for (Iterator iterator = listeners.iterator(); iterator.hasNext();) {
final IDEAJUnitListener junitListener = (IDEAJUnitListener)Class.forName((String)iterator.next()).newInstance();
runner.addListener(new RunListener() {
public void testStarted(Description description) throws Exception {
junitListener.testStarted(JUnit4ReflectionUtil.getClassName(description), JUnit4ReflectionUtil.getMethodName(description));
}
public void testFinished(Description description) throws Exception {
junitListener.testFinished(JUnit4ReflectionUtil.getClassName(description), JUnit4ReflectionUtil.getMethodName(description));
}
});
}
long startTime = System.currentTimeMillis();
Result result = runner.run(testRunner/*.sortWith(new Comparator() {
public int compare(Object d1, Object d2) {
return ((Description)d1).getDisplayName().compareTo(((Description)d2).getDisplayName());
}
})*/);
long endTime = System.currentTimeMillis();
long runTime = endTime - startTime;
if (sendTree) new TimeSender(myRegistry).printHeader(runTime);
if (!result.wasSuccessful()) {
return -1;
}
return 0;
}
catch (Exception e) {
e.printStackTrace(System.err);
return -2;
}
}
private static Description getFilteredDescription(Request request, Description description) throws NoSuchFieldException, IllegalAccessException {
Field field;
try {
field = FilterRequest.class.getDeclaredField("fFilter");
}
catch (NoSuchFieldException e) {
field = FilterRequest.class.getDeclaredField("filter");
}
field.setAccessible(true);
final Filter filter = (Filter)field.get(request);
final String filterDescription = filter.describe();
if (filterDescription != null) {
boolean isMethodFilter = filterDescription.startsWith("Method");
if (isMethodFilter && canCompress(description)) return (Description)description.getChildren().get(0);
try {
final Description failedTestsDescription = Description.createSuiteDescription(filterDescription, null);
if (filterDescription.startsWith("Tests") || filterDescription.startsWith("Ignored")) {
for (Iterator iterator = description.getChildren().iterator(); iterator.hasNext(); ) {
final Description childDescription = (Description)iterator.next();
if (filter.shouldRun(childDescription)) {
failedTestsDescription.addChild(childDescription);
}
}
description = failedTestsDescription;
} else if (isMethodFilter && canCompress(failedTestsDescription)) {
description = (Description)failedTestsDescription.getChildren().get(0);
}
}
catch (NoSuchMethodError e) {
//junit 4.0 doesn't have method createSuite(String, Annotation...) : skip it
}
}
return description;
}
private static boolean canCompress(Description description) {
return !description.isTest() && description.testCount() == 1;
}
private static Description getSuiteMethodDescription(Request request, Description description) throws NoSuchFieldException, IllegalAccessException {
Field field;
try {
field = ClassRequest.class.getDeclaredField("fTestClass");
}
catch (NoSuchFieldException e) {
field = ClassRequest.class.getDeclaredField("testClass");
}
field.setAccessible(true);
final Description methodDescription = Description.createSuiteDescription((Class)field.get(request));
for (Iterator iterator = description.getChildren().iterator(); iterator.hasNext();) {
methodDescription.addChild((Description)iterator.next());
}
description = methodDescription;
return description;
}
public void setStreams(SegmentedOutputStream segmentedOut, SegmentedOutputStream segmentedErr, int lastIdx) {
if (JUnitStarter.SM_RUNNER) {
myTestsListener = new SMTestSender();
} else {
myRegistry = new JUnit4OutputObjectRegistry(segmentedOut, lastIdx);
myTestsListener = new JUnit4TestResultsSender(myRegistry);
}
}
public Object getTestToStart(String[] args, String name) {
final Request request = JUnit4TestRunnerUtil.buildRequest(args, name, false);
if (request == null) return null;
final Runner testRunner = request.getRunner();
Description description = null;
try {
description = testRunner.getDescription();
if (request instanceof ClassRequest) {
description = getSuiteMethodDescription(request, description);
}
else if (request instanceof FilterRequest) {
description = getFilteredDescription(request, description);
}
}
catch (Exception e) {
//noinspection HardCodedStringLiteral
System.err.println("Internal Error occured.");
e.printStackTrace(System.err);
}
return description;
}
public List getChildTests(Object description) {
return ((Description)description).getChildren();
}
public OutputObjectRegistry getRegistry() {
return myRegistry;
}
public String getTestClassName(Object child) {
return ((Description)child).getClassName();
}
public String getStartDescription(Object child) {
final Description description = (Description)child;
final String methodName = description.getMethodName();
return methodName != null ? description.getClassName() + "," + methodName : description.getClassName();
}
}
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