/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.processor;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.ExchangePattern;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
public class SetExchangePatternTest extends ContextTestSupport {
public void testInOut() throws Exception {
assertMessageReceivedWithPattern("direct:testInOut", ExchangePattern.InOut);
}
public void testInOnly() throws Exception {
assertMessageReceivedWithPattern("direct:testInOnly", ExchangePattern.InOnly);
}
public void testSetToInOnlyThenTo() throws Exception {
assertMessageReceivedWithPattern("direct:testSetToInOnlyThenTo", ExchangePattern.InOnly);
}
public void testSetToInOutThenTo() throws Exception {
assertMessageReceivedWithPattern("direct:testSetToInOutThenTo", ExchangePattern.InOut);
}
public void testToWithInOnlyParam() throws Exception {
assertMessageReceivedWithPattern("direct:testToWithInOnlyParam", ExchangePattern.InOnly);
}
public void testToWithInOutParam() throws Exception {
assertMessageReceivedWithPattern("direct:testToWithInOutParam", ExchangePattern.InOut);
}
public void testToWithRobustInOnlyParam() throws Exception {
assertMessageReceivedWithPattern("direct:testToWithRobustInOnlyParam", ExchangePattern.RobustInOnly);
}
public void testSetExchangePatternInOnly() throws Exception {
assertMessageReceivedWithPattern("direct:testSetExchangePatternInOnly", ExchangePattern.InOnly);
}
public void testPreserveOldMEPInOut() throws Exception {
// the mock should get an InOut MEP
getMockEndpoint("mock:result").expectedMessageCount(1);
getMockEndpoint("mock:result").message(0).exchangePattern().isEqualTo(ExchangePattern.InOut);
// we send an InOnly
Exchange out = template.send("direct:testInOut", new Processor() {
@Override
public void process(Exchange exchange) throws Exception {
exchange.getIn().setBody("Hello World");
exchange.setPattern(ExchangePattern.InOnly);
}
});
// the MEP should be preserved
assertNotNull(out);
assertEquals(ExchangePattern.InOnly, out.getPattern());
assertMockEndpointsSatisfied();
}
public void testPreserveOldMEPInOnly() throws Exception {
// the mock should get an InOnly MEP
getMockEndpoint("mock:result").expectedMessageCount(1);
getMockEndpoint("mock:result").message(0).exchangePattern().isEqualTo(ExchangePattern.InOnly);
// we send an InOut
Exchange out = template.send("direct:testInOnly", new Processor() {
@Override
public void process(Exchange exchange) throws Exception {
exchange.getIn().setBody("Hello World");
exchange.setPattern(ExchangePattern.InOut);
}
});
// the MEP should be preserved
assertNotNull(out);
assertEquals(ExchangePattern.InOut, out.getPattern());
assertMockEndpointsSatisfied();
}
protected void assertMessageReceivedWithPattern(String sendUri, ExchangePattern expectedPattern) throws InterruptedException {
ExchangePattern sendPattern;
switch (expectedPattern) {
case InOut:
sendPattern = ExchangePattern.InOnly;
break;
case InOnly:
case RobustInOnly:
sendPattern = ExchangePattern.InOut;
break;
default:
sendPattern = ExchangePattern.InOnly;
}
MockEndpoint resultEndpoint = getMockEndpoint("mock:result");
String expectedBody = "InOnlyMessage";
resultEndpoint.expectedBodiesReceived(expectedBody);
resultEndpoint.expectedHeaderReceived("foo", "bar");
template.sendBodyAndHeader(sendUri, sendPattern, expectedBody, "foo", "bar");
resultEndpoint.assertIsSatisfied();
ExchangePattern actualPattern = resultEndpoint.getExchanges().get(0).getPattern();
assertEquals("received exchange pattern", actualPattern, expectedPattern);
}
protected RouteBuilder createRouteBuilder() {
return new RouteBuilder() {
public void configure() {
// START SNIPPET: example
// Send to an endpoint using InOut
from("direct:testInOut").inOut("mock:result");
// Send to an endpoint using InOut
from("direct:testInOnly").inOnly("mock:result");
// Set the exchange pattern to InOut, then send it from direct:inOnly to mock:result endpoint
from("direct:testSetToInOnlyThenTo")
.setExchangePattern(ExchangePattern.InOnly)
.to("mock:result");
from("direct:testSetToInOutThenTo")
.setExchangePattern(ExchangePattern.InOut)
.to("mock:result");
// Or we can pass the pattern as a parameter to the to() method
from("direct:testToWithInOnlyParam").to(ExchangePattern.InOnly, "mock:result");
from("direct:testToWithInOutParam").to(ExchangePattern.InOut, "mock:result");
from("direct:testToWithRobustInOnlyParam").to(ExchangePattern.RobustInOnly, "mock:result");
// Set the exchange pattern to InOut, then send it on
from("direct:testSetExchangePatternInOnly")
.setExchangePattern(ExchangePattern.InOnly).to("mock:result");
// END SNIPPET: example
}
};
}
}