SimpleWithPropertiesTest.java

/**
 * 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.simple;

import org.apache.camel.CamelContext;
import org.apache.camel.Exchange;
import org.apache.camel.builder.SimpleBuilder;
import org.apache.camel.component.properties.PropertiesComponent;
import org.apache.camel.impl.DefaultCamelContext;
import org.apache.camel.impl.DefaultExchange;
import org.junit.Assert;
import org.junit.Test;

/**
 *  
 */
public class SimpleWithPropertiesTest {

    /**
     * A property from the property component in a expression 
     * is processed when the expression is evaluated with exchange
     * See https://issues.apache.org/jira/browse/CAMEL-4843
     * Now camel doesn't support the properties expression of {{test}}
     */
    @Test
    public void testProperty() throws Exception {
        System.setProperty("test", "testValue");
        PropertiesComponent pc = new PropertiesComponent();
        CamelContext context = new DefaultCamelContext();
        context.addComponent("properties", pc);
        
        // try to setup the property
        Exchange exchange = new DefaultExchange(context);
        String result = SimpleBuilder.simple("${properties:test}").evaluate(exchange, String.class);
        Assert.assertEquals("testValue", result);
        System.clearProperty("test");
    }

}