| /** |
| * 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.Processor; |
| import org.apache.camel.RuntimeCamelException; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.component.mock.MockEndpoint; |
| |
| /** |
| * @version |
| */ |
| public class LoopTest extends ContextTestSupport { |
| 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); |
| 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 { |
| performLoopTest("direct:e", 10); |
| } |
| |
| private void performLoopTest(String endpointUri, int expectedIterations, String header) throws InterruptedException { |
| resultEndpoint.expectedMessageCount(expectedIterations); |
| template.sendBodyAndHeader(endpointUri, "<hello times='4'>world!</hello>", "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() { |
| // START SNIPPET: ex1 |
| from("direct:a").loop(8).to("mock:result"); |
| // END SNIPPET: ex1 |
| // START SNIPPET: ex2 |
| from("direct:b").loop(header("loop")).to("mock:result"); |
| // END SNIPPET: ex2 |
| // START SNIPPET: ex3 |
| from("direct:c").loop().xpath("/hello/@times").to("mock:result"); |
| // END SNIPPET: ex3 |
| // START SNIPPET: ex4 |
| from("direct:d").loop(2).to("mock:result").end().to("mock:last"); |
| // END SNIPPET: ex4 |
| // START SNIPPET: ex5 |
| from("direct:e").loop(10).process(loopTest).to("mock:result"); |
| // END SNIPPET: ex5 |
| } |
| }; |
| } |
| } |