001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 package org.apache.commons.configuration; 019 020 import static org.junit.Assert.assertTrue; 021 022 import java.io.File; 023 024 import org.apache.commons.configuration.reloading.FileChangedReloadingStrategy; 025 import org.apache.commons.configuration.tree.xpath.XPathExpressionEngine; 026 import org.junit.Before; 027 import org.junit.Test; 028 029 /** 030 * Unit test for simple MultiConfigurationTest. 031 * 032 * @version $Id: TestPatternSubtreeConfiguration.java 1224818 2011-12-26 21:20:17Z oheger $ 033 */ 034 public class TestPatternSubtreeConfiguration 035 { 036 private static String CONFIG_FILE = "target/test-classes/testPatternSubtreeConfig.xml"; 037 private static String PATTERN = "BusinessClient[@name='${sys:Id}']"; 038 private XMLConfiguration conf; 039 040 @Before 041 public void setUp() throws Exception 042 { 043 conf = new XMLConfiguration(); 044 conf.setFile(new File(CONFIG_FILE)); 045 conf.load(); 046 } 047 048 /** 049 * Rigourous Test :-) 050 */ 051 @Test 052 public void testMultiConfiguration() 053 { 054 //set up a reloading strategy 055 FileChangedReloadingStrategy strategy = new FileChangedReloadingStrategy(); 056 strategy.setRefreshDelay(10000); 057 058 PatternSubtreeConfigurationWrapper config = new PatternSubtreeConfigurationWrapper(this.conf, PATTERN); 059 config.setReloadingStrategy(strategy); 060 config.setExpressionEngine(new XPathExpressionEngine()); 061 062 System.setProperty("Id", "1001"); 063 assertTrue(config.getInt("rowsPerPage") == 15); 064 065 System.setProperty("Id", "1002"); 066 assertTrue(config.getInt("rowsPerPage") == 25); 067 068 System.setProperty("Id", "1003"); 069 assertTrue(config.getInt("rowsPerPage") == 35); 070 } 071 }