| /* |
| * 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 org.junit.Before; |
| import org.junit.Test; |
| |
| import java.util.Map; |
| |
| /** |
| * Test class for EnvironmentLookup. |
| */ |
| public class TestEnvironmentLookup |
| { |
| /** The lookup to be tested. */ |
| private Lookup lookup; |
| |
| @Before |
| public void setUp() throws Exception |
| { |
| lookup = DefaultLookups.ENVIRONMENT.getLookup(); |
| } |
| |
| /** |
| * Tests whether environment variables can be queried. |
| */ |
| @Test |
| public void testLookup() |
| { |
| for (final Map.Entry<String, String> e : System.getenv().entrySet()) |
| { |
| assertEquals("Wrong value for " + e.getKey(), e.getValue(), |
| lookup.lookup(e.getKey())); |
| } |
| } |
| |
| /** |
| * Tries to lookup a non existing property. |
| */ |
| @Test |
| public void testLookupNonExisting() |
| { |
| assertNull("Got result for non existing environment variable", lookup |
| .lookup("a non existing variable!")); |
| } |
| } |