/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.jboss.arquillian.junit;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.doAnswer;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import org.jboss.arquillian.test.spi.LifecycleMethodExecutor;
import org.jboss.arquillian.test.spi.TestMethodExecutor;
import org.jboss.arquillian.test.spi.TestResult;
import org.jboss.arquillian.test.spi.TestResult.Status;
import org.jboss.arquillian.test.spi.TestRunnerAdaptor;
import org.jboss.arquillian.test.spi.TestRunnerAdaptorBuilder;
import org.junit.After;
import org.junit.Assert;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.notification.RunListener;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
/**
* JUnitTestBaseClass
*
* @author <a href="mailto:aslak@redhat.com">Aslak Knutsen</a>
* @version $Revision: $
*/
public class JUnitTestBaseClass
{
public static enum Cycle { BEFORE_CLASS, BEFORE, TEST, AFTER, AFTER_CLASS }
/*
* Setup / Clear the static callback info.
*/
private static Map<Cycle, Integer> callbackCount = new HashMap<Cycle, Integer>();
private static Map<Cycle, Throwable> callbackException = new HashMap<Cycle, Throwable>();
static
{
for(Cycle tmp : Cycle.values())
{
callbackCount.put(tmp, 0);
}
}
public static void throwException(Cycle cycle, Throwable exception)
{
callbackException.put(cycle, exception);
}
public static void wasCalled(Cycle cycle) throws Throwable
{
if(callbackCount.containsKey(cycle))
{
callbackCount.put(cycle, callbackCount.get(cycle) + 1);
}
else
{
throw new RuntimeException("Unknown callback: " + cycle);
}
if(callbackException.containsKey(cycle))
{
throw callbackException.get(cycle);
}
}
@After
public void clearCallbacks()
{
callbackCount.clear();
for(Cycle tmp : Cycle.values())
{
callbackCount.put(tmp, 0);
}
callbackException.clear();
}
/*
* Mockito Answers for invoking the LifeCycle callbacks.
*/
public static class ExecuteLifecycle implements Answer<Object>
{
@Override
public Object answer(org.mockito.invocation.InvocationOnMock invocation) throws Throwable
{
for(Object argument : invocation.getArguments())
{
if(argument instanceof LifecycleMethodExecutor)
{
((LifecycleMethodExecutor)argument).invoke();
}
else if(argument instanceof TestMethodExecutor)
{
((TestMethodExecutor)argument).invoke();
}
}
return null;
}
}
public static class TestExecuteLifecycle extends ExecuteLifecycle
{
private TestResult result;
public TestExecuteLifecycle(TestResult result)
{
this.result = result;
}
@Override
public Object answer(InvocationOnMock invocation) throws Throwable
{
super.answer(invocation);
return result;
}
}
/*
* Internal Helpers
*/
protected void executeAllLifeCycles(TestRunnerAdaptor adaptor) throws Exception
{
doAnswer(new ExecuteLifecycle()).when(adaptor).beforeClass(any(Class.class), any(LifecycleMethodExecutor.class));
doAnswer(new ExecuteLifecycle()).when(adaptor).afterClass(any(Class.class), any(LifecycleMethodExecutor.class));
doAnswer(new ExecuteLifecycle()).when(adaptor).before(any(Object.class), any(Method.class), any(LifecycleMethodExecutor.class));
doAnswer(new ExecuteLifecycle()).when(adaptor).after(any(Object.class), any(Method.class), any(LifecycleMethodExecutor.class));
doAnswer(new TestExecuteLifecycle(new TestResult(Status.PASSED))).when(adaptor).test(any(TestMethodExecutor.class));
}
public void assertCycle(int count, Cycle... cycles)
{
for(Cycle cycle : cycles)
{
Assert.assertEquals("Verify " + cycle + " called N times",
count, (int)callbackCount.get(cycle));
}
}
protected Result run(TestRunnerAdaptor adaptor, Class<?>... classes) throws Exception
{
return run(adaptor, (RunListener)null, classes);
}
protected Result run(TestRunnerAdaptor adaptor, RunListener listener, Class<?>... classes)
throws Exception
{
try
{
setAdaptor(adaptor);
JUnitCore core = new JUnitCore();
if(listener != null)
{
core.addListener(listener);
}
return core.run(classes);
}
finally
{
setAdaptor(null);
}
}
// force set the TestRunnerAdaptor to use
private void setAdaptor(TestRunnerAdaptor adaptor) throws Exception
{
Method method = TestRunnerAdaptorBuilder.class.getMethod("set", TestRunnerAdaptor.class);
method.setAccessible(true);
method.invoke(null, adaptor);
}
}