/*
* 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.util;
import groovy.lang.Closure;
import org.codehaus.groovy.runtime.InvokerInvocationException;
import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.jmock.Expectations;
import org.jmock.api.Action;
import org.jmock.api.Invocation;
import org.jmock.integration.junit4.JUnit4Mockery;
import org.jmock.lib.legacy.ClassImposteriser;
import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.atomic.AtomicInteger;
public class JUnit4GroovyMockery extends JUnit4Mockery {
private final ConcurrentMap<String, AtomicInteger> names = new ConcurrentHashMap<String, AtomicInteger>();
public JUnit4GroovyMockery() {
setImposteriser(ClassImposteriser.INSTANCE);
}
@Override
public <T> T mock(Class<T> typeToMock) {
return mock(typeToMock, typeToMock.getSimpleName());
}
@Override
public <T> T mock(Class<T> typeToMock, String name) {
names.putIfAbsent(name, new AtomicInteger());
int count = names.get(name).getAndIncrement();
T mock;
if (count == 0) {
mock = super.mock(typeToMock, name);
} else {
mock = super.mock(typeToMock, name + count);
}
if (mock instanceof ClassLoader) {
for (Field field : ClassLoader.class.getDeclaredFields()) {
if (field.getName().equals("initialized")) {
field.setAccessible(true);
try {
field.set(mock, true);
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
}
break;
}
}
}
return mock;
}
class ClosureExpectations extends Expectations {
void closureInit(Closure cl, Object delegate) {
cl.setDelegate(delegate);
cl.call();
}
<T> void withParam(Matcher<T> matcher) {
this.with(matcher);
}
void will(final Closure cl) {
will(new Action() {
public void describeTo(Description description) {
description.appendText("execute closure");
}
public Object invoke(Invocation invocation) throws Throwable {
List<Object> params = Arrays.asList(invocation.getParametersAsArray());
Object result;
try {
List<Object> subParams = params.subList(0, Math.min(invocation.getParametersAsArray().length,
cl.getMaximumNumberOfParameters()));
result = cl.call(subParams.toArray(new Object[0]));
} catch (InvokerInvocationException e) {
throw e.getCause();
}
if (invocation.getInvokedMethod().getReturnType().isInstance(result)) {
return result;
}
return null;
}
});
}
}
public void checking(Closure c) {
ClosureExpectations expectations = new ClosureExpectations();
expectations.closureInit(c, expectations);
super.checking(expectations);
}
}