| /* |
| * 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.commons.configuration2; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.File; |
| import java.io.StringWriter; |
| |
| import org.apache.commons.configuration2.ex.ConfigurationException; |
| import org.apache.commons.configuration2.io.FileHandler; |
| import org.apache.commons.configuration2.tree.ImmutableNode; |
| import org.apache.commons.configuration2.tree.xpath.XPathExpressionEngine; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * Unit test for simple MultiConfigurationTest. |
| * |
| */ |
| public class TestPatternSubtreeConfiguration |
| { |
| private static final File CONFIG_FILE = ConfigurationAssert.getTestFile("testPatternSubtreeConfig.xml"); |
| private static final String PATTERN = "BusinessClient[@name='${sys:Id}']"; |
| private XMLConfiguration conf; |
| |
| @Before |
| public void setUp() throws Exception |
| { |
| conf = new XMLConfiguration(); |
| new FileHandler(conf).load(CONFIG_FILE); |
| } |
| |
| /** |
| * Rigourous Test :-) |
| */ |
| @Test |
| public void testMultiConfiguration() |
| { |
| final PatternSubtreeConfigurationWrapper config = new PatternSubtreeConfigurationWrapper(this.conf, PATTERN); |
| config.setExpressionEngine(new XPathExpressionEngine()); |
| |
| System.setProperty("Id", "1001"); |
| assertTrue(config.getInt("rowsPerPage") == 15); |
| |
| System.setProperty("Id", "1002"); |
| assertTrue(config.getInt("rowsPerPage") == 25); |
| |
| System.setProperty("Id", "1003"); |
| assertTrue(config.getInt("rowsPerPage") == 35); |
| } |
| |
| /** |
| * Tests a read operation if the wrapped configuration does not implement |
| * FileBased. |
| */ |
| @Test(expected = ConfigurationException.class) |
| public void testReadNotFileBased() throws ConfigurationException |
| { |
| final HierarchicalConfiguration<ImmutableNode> hc = new BaseHierarchicalConfiguration(); |
| final PatternSubtreeConfigurationWrapper config = |
| new PatternSubtreeConfigurationWrapper(hc, PATTERN); |
| new FileHandler(config).load(CONFIG_FILE); |
| } |
| |
| /** |
| * Tests a write operation if the wrapped configuration does not implement |
| * FileBased. |
| */ |
| @Test(expected = ConfigurationException.class) |
| public void testSaveNotFileBased() throws ConfigurationException |
| { |
| final HierarchicalConfiguration<ImmutableNode> hc = new BaseHierarchicalConfiguration(); |
| final PatternSubtreeConfigurationWrapper config = |
| new PatternSubtreeConfigurationWrapper(hc, PATTERN); |
| new FileHandler(config).save(new StringWriter()); |
| } |
| } |