| /** |
| * 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.language.groovy; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.impl.DefaultCamelContext; |
| import org.apache.camel.impl.DefaultExchange; |
| import org.apache.camel.test.junit4.CamelTestSupport; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * @version |
| */ |
| public class GroovyExpressionTest extends CamelTestSupport { |
| private static final transient Logger LOG = LoggerFactory.getLogger(GroovyTest.class); |
| |
| protected Exchange exchange; |
| |
| @Test |
| public void testExpressionReturnsTheCorrectValue() throws Exception { |
| assertExpression(GroovyLanguage.groovy("exchange.in.headers['foo.bar']"), exchange, "cheese"); |
| assertExpression(GroovyLanguage.groovy("exchange.in.headers.name"), exchange, "James"); |
| assertExpression(GroovyLanguage.groovy("exchange.in.headers['doesNotExist']"), exchange, null); |
| } |
| |
| @Test |
| public void testPredicateEvaluation() throws Exception { |
| assertPredicate(GroovyLanguage.groovy("exchange.in.headers.name == 'James'"), exchange, true); |
| assertPredicate(GroovyLanguage.groovy("exchange.in.headers.name == 'Hiram'"), exchange, false); |
| |
| assertPredicate(GroovyLanguage.groovy("request.headers.name == 'James'"), exchange, true); |
| } |
| |
| @Test |
| public void testProcessorMutatesTheExchange() throws Exception { |
| GroovyLanguage.groovy("request.headers.myNewHeader = 'ABC'").evaluate(exchange); |
| |
| assertInMessageHeader(exchange, "myNewHeader", "ABC"); |
| } |
| |
| @Test |
| public void testInvalidExpressionFailsWithMeaningfulException() throws Exception { |
| try { |
| GroovyLanguage.groovy("exchange.doesNotExist").evaluate(exchange); |
| fail("This test case should have thrown an exception!"); |
| } catch (Exception e) { |
| LOG.debug("Caught expected exception: " + e, e); |
| String message = e.getMessage(); |
| assertTrue("The message should include 'doesNotExist' but was: " + message, message.contains("doesNotExist")); |
| } |
| } |
| |
| @Override |
| @Before |
| public void setUp() throws Exception { |
| exchange = new DefaultExchange(new DefaultCamelContext()); |
| exchange.getIn().setHeader("foo.bar", "cheese"); |
| exchange.getIn().setHeader("name", "James"); |
| } |
| } |