| /** |
| * 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.async; |
| |
| import org.apache.camel.CamelExecutionException; |
| import org.apache.camel.ContextTestSupport; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Processor; |
| import org.apache.camel.builder.RouteBuilder; |
| |
| /** |
| * @version |
| */ |
| public class AsyncRouteWithErrorTest extends ContextTestSupport { |
| |
| private static String route = ""; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| route = ""; |
| } |
| |
| public void testAsyncRouteWithError() throws Exception { |
| getMockEndpoint("mock:foo").expectedBodiesReceived("Hello World"); |
| getMockEndpoint("mock:result").expectedMessageCount(0); |
| |
| // send a request reply to the direct start endpoint |
| try { |
| template.requestBody("direct:start", "Hello"); |
| } catch (CamelExecutionException e) { |
| // expected an execution exception |
| assertEquals("Damn forced by unit test", e.getCause().getMessage()); |
| } |
| |
| // we should run before the async processor that sets B |
| route += "A"; |
| |
| assertMockEndpointsSatisfied(); |
| |
| assertEquals("BA", route); |
| } |
| |
| public void testAsyncRouteWithTypeConverted() throws Exception { |
| getMockEndpoint("mock:foo").expectedBodiesReceived("Hello World"); |
| getMockEndpoint("mock:result").expectedMessageCount(0); |
| |
| // send a request reply to the direct start endpoint, but will use |
| // future type converter that will wait for the response |
| try { |
| template.requestBody("direct:start", "Hello", String.class); |
| fail("Should have thrown an exception"); |
| } catch (CamelExecutionException e) { |
| // expected an execution exception |
| assertEquals("Damn forced by unit test", e.getCause().getMessage()); |
| } |
| |
| // we should wait for the async response as we ask for the result as a String body |
| route += "A"; |
| |
| assertMockEndpointsSatisfied(); |
| |
| assertEquals("BA", route); |
| } |
| |
| @Override |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| // we start this route async |
| from("direct:start") |
| // we play a bit with the message |
| .transform(body().append(" World")) |
| // now turn the route into async from this point forward |
| // the caller will have a Future<Exchange> returned as response in OUT |
| // to be used to grap the async response when he fell like it |
| .threads() |
| // from this point forward this is the async route doing its work |
| // so we do a bit of delay to simulate heavy work that takes time |
| .to("mock:foo") |
| .delay(100) |
| // and we also work with the message so we can prepare a response |
| .process(new MyProcessor()) |
| // and we use mocks for unit testing |
| .to("mock:result"); |
| } |
| }; |
| } |
| |
| public static class MyProcessor implements Processor { |
| |
| public MyProcessor() { |
| } |
| |
| public void process(Exchange exchange) throws Exception { |
| route += "B"; |
| assertEquals("Hello World", exchange.getIn().getBody()); |
| throw new IllegalArgumentException("Damn forced by unit test"); |
| } |
| } |
| } |