/**
* 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 java.util.ArrayList;
import java.util.List;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Processor;
import org.apache.camel.RuntimeCamelException;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.processor.async.MyAsyncComponent;
/**
* @version
*/
public class AsyncLoopTest extends ContextTestSupport {
private static final String BASE_PAYLOAD = "<Hello n='4'/>";
MockEndpoint resultEndpoint;
public void testCounterLoop() throws Exception {
performLoopTest("direct:a", 8);
}
public void testExpressionLoop() throws Exception {
performLoopTest("direct:b", 6);
}
public void testExpressionClauseLoop() throws Exception {
performLoopTest("direct:c", 4);
}
public void testLoopAsBlock() throws Exception {
MockEndpoint lastEndpoint = resolveMandatoryEndpoint("mock:last", MockEndpoint.class);
lastEndpoint.expectedMessageCount(1);
lastEndpoint.expectedBodiesReceived(BASE_PAYLOAD + new String(new char[2]).replace("\0", " Hello Camel"));
performLoopTest("direct:d", 2);
lastEndpoint.assertIsSatisfied();
}
public void testLoopWithInvalidExpression() throws Exception {
try {
performLoopTest("direct:b", 4, "invalid");
fail("Exception expected for invalid expression");
} catch (RuntimeCamelException e) {
// expected
}
}
public void testLoopProperties() throws Exception {
MockEndpoint lastEndpoint = resolveMandatoryEndpoint("mock:last", MockEndpoint.class);
lastEndpoint.expectedMessageCount(1);
lastEndpoint.expectedBodiesReceived(BASE_PAYLOAD + new String(new char[10]).replace("\0", " Hello Camel"));
performLoopTest("direct:e", 10);
lastEndpoint.assertIsSatisfied();
}
private void performLoopTest(String endpointUri, int expectedIterations, String header) throws InterruptedException {
resultEndpoint.expectedMessageCount(expectedIterations);
List<String> results = new ArrayList<String>(expectedIterations);
for (int i = 0; i < expectedIterations; i++) {
results.add(BASE_PAYLOAD + new String(new char[i + 1]).replace("\0", " Hello Camel"));
}
resultEndpoint.expectedBodiesReceived(results);
template.sendBodyAndHeader(endpointUri, BASE_PAYLOAD, "loop", header);
resultEndpoint.assertIsSatisfied();
}
private void performLoopTest(String endpointUri, int expectedIterations) throws InterruptedException {
performLoopTest(endpointUri, expectedIterations, "6");
}
@Override
protected void setUp() throws Exception {
super.setUp();
resultEndpoint = resolveMandatoryEndpoint("mock:result", MockEndpoint.class);
resultEndpoint.reset();
}
protected RouteBuilder createRouteBuilder() {
final Processor loopTest = new LoopTestProcessor(10);
return new RouteBuilder() {
public void configure() {
context.addComponent("async", new MyAsyncComponent());
from("direct:a")
.loop(8)
.to("async:hello:camel?append=true")
.to("mock:result");
from("direct:b")
.loop(header("loop"))
.to("async:hello:camel?append=true")
.to("mock:result");
from("direct:c")
.loop().xpath("/Hello/@n")
.to("async:hello:camel?append=true")
.to("mock:result");
from("direct:d")
.loop(2)
.to("async:hello:camel?append=true")
.to("mock:result")
.end()
.to("mock:last");
from("direct:e")
.loop(10)
.to("async:hello:camel?append=true")
.process(loopTest)
.to("mock:result")
.end()
.to("mock:last");
}
};
}
}