| /* |
| * 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.builder.combined; |
| |
| import org.apache.commons.configuration2.builder.BasicBuilderParameters; |
| import org.apache.commons.configuration2.builder.BuilderParameters; |
| import org.apache.commons.configuration2.interpol.ConfigurationInterpolator; |
| import org.apache.commons.configuration2.interpol.DefaultLookups; |
| import org.junit.After; |
| |
| /** |
| * A base class for test classes for {@code MultiFileConfigurationBuilder} and |
| * derived classes. This class provides some common functionality related to |
| * file name pattern which can be used by concrete tests. |
| * |
| */ |
| public class AbstractMultiFileConfigurationBuilderTest |
| { |
| /** The system property which selects a sub configuration. */ |
| private static final String PROP = "Id"; |
| |
| /** The part of the pattern containing the variable. */ |
| protected static String PATTERN_VAR = "${sys:Id}"; |
| |
| /** The pattern for file names. */ |
| protected static String PATTERN = |
| "target/test-classes/testMultiConfiguration_" + PATTERN_VAR |
| + ".xml"; |
| |
| /** |
| * Sets a system property for accessing a specific configuration file from |
| * the test builder. The passed in id can be null, then the system property |
| * is removed. |
| * |
| * @param id the ID of the managed configuration to load |
| */ |
| protected static void switchToConfig(final String id) |
| { |
| if (id != null) |
| { |
| System.setProperty(PROP, id); |
| } |
| else |
| { |
| System.getProperties().remove(PROP); |
| } |
| } |
| |
| @After |
| public void tearDown() throws Exception |
| { |
| switchToConfig(null); |
| } |
| |
| /** |
| * Selects a specific configuration to be obtained from the builder. |
| * |
| * @param index the index of the configuration to be accessed (valid indices |
| * are 1-3) |
| */ |
| protected static void switchToConfig(final int index) |
| { |
| switchToConfig("100" + index); |
| } |
| |
| /** |
| * Creates a {@code ConfigurationInterpolator} to be used by tests. This |
| * object contains a lookup for system properties. |
| * |
| * @return the new {@code ConfigurationInterpolator} |
| */ |
| protected static ConfigurationInterpolator createInterpolator() |
| { |
| final ConfigurationInterpolator ci = new ConfigurationInterpolator(); |
| ci.registerLookup(DefaultLookups.SYSTEM_PROPERTIES.getPrefix(), |
| DefaultLookups.SYSTEM_PROPERTIES.getLookup()); |
| return ci; |
| } |
| |
| /** |
| * Creates a parameters object with default settings for a test builder |
| * instance. |
| * |
| * @param managedParams the parameters for managed configurations |
| * @return the test parameters |
| */ |
| protected static BasicBuilderParameters createTestBuilderParameters( |
| final BuilderParameters managedParams) |
| { |
| return new MultiFileBuilderParametersImpl().setFilePattern(PATTERN) |
| .setManagedBuilderParameters(managedParams) |
| .setInterpolator(createInterpolator()); |
| } |
| } |