| /* |
| * 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.interpol; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| |
| import java.util.Map; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * Test class for {@code SystemPropertiesLookup}. |
| * |
| * @version $Id$ |
| */ |
| public class TestSystemPropertiesLookup |
| { |
| /** The lookup object to be tested.*/ |
| private SystemPropertiesLookup lookup; |
| |
| @Before |
| public void setUp() throws Exception |
| { |
| lookup = new SystemPropertiesLookup(); |
| } |
| |
| /** |
| * Tests whether system properties can be looked up. |
| */ |
| @Test |
| public void testLookupProperties() |
| { |
| for(Map.Entry<Object, Object> e : System.getProperties().entrySet()) |
| { |
| assertEquals("Wrong property value for " + e.getKey(), e.getValue(), lookup.lookup(String.valueOf(e.getKey()))); |
| } |
| } |
| |
| /** |
| * Tests whether an unknown property is handled correctly. |
| */ |
| @Test |
| public void testLookupUnknownProperty() |
| { |
| assertNull("Got a value", lookup.lookup("a non existing system property!")); |
| } |
| } |