/*
* 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.messaging.remote.internal;
import org.gradle.messaging.dispatch.Dispatch;
import org.gradle.messaging.dispatch.MethodInvocation;
import org.jmock.Expectations;
import org.jmock.integration.junit4.JMock;
import org.jmock.integration.junit4.JUnit4Mockery;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.lang.reflect.Method;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
@RunWith(JMock.class)
public class MethodInvocationUnmarshallingDispatchTest {
private final JUnit4Mockery context = new JUnit4Mockery();
private final Dispatch<MethodInvocation> target = context.mock(Dispatch.class);
private final MethodInvocationUnmarshallingDispatch dispatch = new MethodInvocationUnmarshallingDispatch(target, getClass().getClassLoader());
@Test
public void doesNotForwardMethodMetaInfoMessages() throws Exception {
dispatch.dispatch(new MethodMetaInfo(1, String.class.getMethod("charAt", Integer.TYPE)));
}
@Test
public void transformsRemoteMethodInvocationMessage() throws Exception {
final Method method = String.class.getMethod("charAt", Integer.TYPE);
context.checking(new Expectations() {{
one(target).dispatch(new MethodInvocation(method, new Object[]{17}));
}});
dispatch.dispatch(new MethodMetaInfo(1, method));
dispatch.dispatch(new RemoteMethodInvocation(1, new Object[]{17}));
}
@Test
public void failsWhenRemoteMethodInvocationMessageReceivedForUnknownMethod() {
try {
dispatch.dispatch(new RemoteMethodInvocation(1, new Object[]{17}));
fail();
} catch (IllegalStateException e) {
assertThat(e.getMessage(), equalTo("Received a method invocation message for an unknown method."));
}
}
@Test
public void failsWhenUnexpectedMessageReceived() {
final Message message = new Message() {
};
try {
dispatch.dispatch(message);
fail();
} catch (IllegalStateException e) {
assertThat(e.getMessage(), startsWith("Received an unknown message "));
}
}
}