| /** |
| * 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.component.velocity; |
| |
| import java.util.ArrayList; |
| import java.util.Set; |
| |
| import javax.management.MBeanServer; |
| import javax.management.ObjectName; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.component.mock.MockEndpoint; |
| import org.apache.camel.test.junit4.CamelTestSupport; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * Unit test the cache when reloading .vm files in the classpath |
| */ |
| public class VelocityContentCacheTest extends CamelTestSupport { |
| |
| @Before |
| public void setUp() throws Exception { |
| super.setUp(); |
| |
| // create a vm file in the classpath as this is the tricky reloading stuff |
| template.sendBodyAndHeader("file://target/test-classes/org/apache/camel/component/velocity?fileExist=Override", "Hello $headers.name", Exchange.FILE_NAME, "hello.vm"); |
| } |
| |
| @Override |
| public boolean useJmx() { |
| return true; |
| } |
| |
| @Test |
| public void testNotCached() throws Exception { |
| MockEndpoint mock = getMockEndpoint("mock:result"); |
| mock.expectedBodiesReceived("Hello London"); |
| |
| template.sendBodyAndHeader("direct:a", "Body", "name", "London"); |
| mock.assertIsSatisfied(); |
| |
| // now change content in the file in the classpath and try again |
| template.sendBodyAndHeader("file://target/test-classes/org/apache/camel/component/velocity?fileExist=Override", "Bye $headers.name", Exchange.FILE_NAME, "hello.vm"); |
| |
| mock.reset(); |
| mock.expectedBodiesReceived("Bye Paris", "Bye World"); |
| |
| template.sendBodyAndHeader("direct:a", "Body", "name", "Paris"); |
| template.sendBodyAndHeader("direct:a", "Body", "name", "World"); |
| mock.assertIsSatisfied(); |
| } |
| |
| @Test |
| public void testCached() throws Exception { |
| MockEndpoint mock = getMockEndpoint("mock:result"); |
| mock.expectedBodiesReceived("Hello London"); |
| |
| template.sendBodyAndHeader("direct:b", "Body", "name", "London"); |
| mock.assertIsSatisfied(); |
| |
| // now change content in the file in the classpath and try again |
| template.sendBodyAndHeader("file://target/test-classes/org/apache/camel/component/velocity?fileExist=Override", "Bye $headers.name", Exchange.FILE_NAME, "hello.vm"); |
| |
| mock.reset(); |
| // we must expected the original filecontent as the cache is enabled, so its Hello and not Bye |
| mock.expectedBodiesReceived("Hello Paris"); |
| |
| template.sendBodyAndHeader("direct:b", "Body", "name", "Paris"); |
| mock.assertIsSatisfied(); |
| } |
| |
| @Test |
| public void testCachedIsDefault() throws Exception { |
| MockEndpoint mock = getMockEndpoint("mock:result"); |
| mock.expectedBodiesReceived("Hello London"); |
| |
| template.sendBodyAndHeader("direct:c", "Body", "name", "London"); |
| mock.assertIsSatisfied(); |
| |
| // now change content in the file in the classpath and try again |
| template.sendBodyAndHeader("file://target/test-classes/org/apache/camel/component/velocity?fileExist=Override", "Bye $headers.name", Exchange.FILE_NAME, "hello.vm"); |
| |
| mock.reset(); |
| // we must expected the original filecontent as the cache is enabled, so its Hello and not Bye |
| mock.expectedBodiesReceived("Hello Paris"); |
| |
| template.sendBodyAndHeader("direct:c", "Body", "name", "Paris"); |
| mock.assertIsSatisfied(); |
| } |
| |
| @Test |
| public void testClearCacheViaJmx() throws Exception { |
| MockEndpoint mock = getMockEndpoint("mock:result"); |
| mock.expectedBodiesReceived("Hello London"); |
| |
| template.sendBodyAndHeader("direct:b", "Body", "name", "London"); |
| mock.assertIsSatisfied(); |
| |
| // now change content in the file in the classpath and try again |
| template.sendBodyAndHeader("file://target/test-classes/org/apache/camel/component/velocity?fileExist=Override", "Bye $headers.name", Exchange.FILE_NAME, "hello.vm"); |
| |
| mock.reset(); |
| // we must expected the original filecontent as the cache is enabled, so its Hello and not Bye |
| mock.expectedBodiesReceived("Hello Paris"); |
| |
| template.sendBodyAndHeader("direct:b", "Body", "name", "Paris"); |
| mock.assertIsSatisfied(); |
| |
| // clear the cache via the mbean server |
| MBeanServer mbeanServer = context.getManagementStrategy().getManagementAgent().getMBeanServer(); |
| Set<ObjectName> objNameSet = mbeanServer.queryNames(new ObjectName("org.apache.camel:type=endpoints,name=\"velocity:*contentCache=true*\",*"), null); |
| ObjectName managedObjName = new ArrayList<>(objNameSet).get(0); |
| mbeanServer.invoke(managedObjName, "clearContentCache", null, null); |
| |
| // now change content in the file in the classpath |
| template.sendBodyAndHeader("file://target/test-classes/org/apache/camel/component/velocity?fileExist=Override", "Bye $headers.name", Exchange.FILE_NAME, "hello.vm"); |
| |
| mock.reset(); |
| // we expect the update to work now since the cache has been cleared |
| mock.expectedBodiesReceived("Bye Paris"); |
| template.sendBodyAndHeader("direct:b", "Body", "name", "Paris"); |
| mock.assertIsSatisfied(); |
| |
| // change the content in the file again |
| template.sendBodyAndHeader("file://target/test-classes/org/apache/camel/component/velocity?fileExist=Override", "Hello $headers.name", Exchange.FILE_NAME, "hello.vm"); |
| mock.reset(); |
| // we expect the new value to be ignored since the cache was re-established with the prior exchange |
| mock.expectedBodiesReceived("Bye Paris"); |
| template.sendBodyAndHeader("direct:b", "Body", "name", "Paris"); |
| mock.assertIsSatisfied(); |
| } |
| |
| |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| public void configure() throws Exception { |
| from("direct:a").to("velocity://org/apache/camel/component/velocity/hello.vm?contentCache=false").to("mock:result"); |
| |
| from("direct:b").to("velocity://org/apache/camel/component/velocity/hello.vm?contentCache=true").to("mock:result"); |
| |
| from("direct:c").to("velocity://org/apache/camel/component/velocity/hello.vm").to("mock:result"); |
| } |
| }; |
| } |
| } |