/*
* Copyright 2013 Red Hat Inc. and/or its affiliates and other 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.switchyard.component.camel.switchyard;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import javax.xml.namespace.QName;
import org.apache.camel.CamelContext;
import org.apache.camel.Exchange;
import org.apache.camel.impl.DefaultExchange;
import org.junit.Before;
import org.junit.Test;
import org.switchyard.HandlerException;
import org.switchyard.Message;
import org.switchyard.Scope;
import org.switchyard.Service;
import org.switchyard.ServiceReference;
import org.switchyard.component.camel.common.composer.CamelBindingData;
import org.switchyard.component.camel.common.composer.CamelComposition;
import org.switchyard.component.camel.switchyard.CamelResponseHandler;
import org.switchyard.component.common.composer.MessageComposer;
import org.switchyard.deploy.ServiceDomainManager;
import org.switchyard.extensions.java.JavaService;
import org.switchyard.internal.DefaultContext;
import org.switchyard.metadata.ExchangeContract;
import org.switchyard.metadata.ServiceOperation;
/**
* Unit test for {@link org.switchyard.component.camel.switchyard.CamelResponseHandler}
*
* @author Daniel Bevenius
*/
public class CamelResponseHandlerTest {
private static final QName JAVA_STRING_QNAME = new QName("java:java.lang.String");
private static final QName SERVICE_QNAME = new QName("java:" + MockService.class.getName());
private MessageComposer<CamelBindingData> _messageComposer;
@Before
public void before() {
_messageComposer = CamelComposition.getMessageComposer();
}
@Test (expected = RuntimeException.class)
public void constructor() throws Exception {
final CamelResponseHandler responseHandler = new CamelResponseHandler(null, null, _messageComposer);
responseHandler.handleMessage(null);
}
@Test
public void handleMessageWithOutputType() throws HandlerException {
final Exchange camelExchange = createCamelExchange();
final ServiceReference serviceReference = createMockServiceRef();
final org.switchyard.Exchange switchYardExchange = createMockExchangeWithBody(new MessageCreator() {
@Override
public Message create() {
Message message = mock(Message.class);
when(message.getContext()).thenReturn(new DefaultContext(Scope.MESSAGE));
when(message.getContent(Integer.class)).thenReturn(10);
return message;
}
});
final CamelResponseHandler responseHandler = new CamelResponseHandler(camelExchange, serviceReference, _messageComposer);
responseHandler.handleMessage(switchYardExchange);
assertThat(switchYardExchange.getMessage().getContent(Integer.class), is(equalTo(new Integer(10))));
}
@Test
public void fault() throws HandlerException {
final String fault = "some fault";
final Exchange camelExchange = createCamelExchange();
final ServiceReference serviceReference = createMockServiceRef();
final org.switchyard.Exchange switchYardExchange = createMockExchangeWithBody(new MessageCreator() {
@Override
public Message create() {
Message message = mock(Message.class);
when(message.getContext()).thenReturn(new DefaultContext(Scope.MESSAGE));
when(message.getContent()).thenReturn(fault);
return message;
}
});
final CamelResponseHandler responseHandler = new CamelResponseHandler(camelExchange, serviceReference, _messageComposer);
responseHandler.handleFault(switchYardExchange);
assertTrue(camelExchange.getIn().isFault());
assertSame(fault, camelExchange.getIn().getBody());
}
@Test
public void exception() throws HandlerException {
final IllegalArgumentException exception = new IllegalArgumentException();
final Exchange camelExchange = createCamelExchange();
final ServiceReference serviceReference = createMockServiceRef();
final org.switchyard.Exchange switchYardExchange = createMockExchangeWithBody(new MessageCreator() {
@Override
public Message create() {
Message message = mock(Message.class);
when(message.getContent()).thenReturn(exception);
return message;
}
});
final CamelResponseHandler responseHandler = new CamelResponseHandler(camelExchange, serviceReference, _messageComposer);
responseHandler.handleFault(switchYardExchange);
assertSame(exception, camelExchange.getException());
}
private Exchange createCamelExchange() {
return new DefaultExchange((CamelContext) null);
}
private ServiceReference createMockServiceRef() {
final ServiceReference serviceReference = mock(ServiceReference.class);
when(serviceReference.getInterface()).thenReturn(JavaService.fromClass(MockService.class));
return serviceReference;
}
private org.switchyard.Exchange createMockExchangeWithBody(MessageCreator creator) {
final org.switchyard.Exchange switchYardExchange = mock(org.switchyard.Exchange.class);
final org.switchyard.Context switchYardContext = mock(org.switchyard.Context.class);
final ExchangeContract exchangeContract = mock(ExchangeContract.class);
final ServiceOperation serviceOperation = mock(ServiceOperation.class);
final ServiceOperation referenceOperation = mock(ServiceOperation.class);
final Service provider = mock(Service.class);
final Message message = creator.create();
when(switchYardExchange.getMessage()).thenReturn(message);
when(provider.getName()).thenReturn(SERVICE_QNAME);
when(switchYardExchange.getProvider()).thenReturn(provider);
when(switchYardExchange.getContext()).thenReturn(switchYardContext);
when(referenceOperation.getOutputType()).thenReturn(JAVA_STRING_QNAME);
when(exchangeContract.getProviderOperation()).thenReturn(serviceOperation);
when(serviceOperation.getInputType()).thenReturn(JAVA_STRING_QNAME);
when(serviceOperation.getOutputType()).thenReturn(null);
when(serviceOperation.getFaultType()).thenReturn(null);
when(exchangeContract.getConsumerOperation()).thenReturn(referenceOperation);
when(switchYardExchange.getContract()).thenReturn(exchangeContract);
return switchYardExchange;
}
private class MockService {
@SuppressWarnings("unused")
public void print(final String msg) {
}
}
/**
* Interface which let populate mock message.
*/
interface MessageCreator {
Message create();
}
}