/* * Copyright 2002-2015 the original author or authors. * * Licensed 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.springframework.beans.factory.support; import java.util.Map; import org.junit.Test; import static org.junit.Assert.*; /** * @author Rick Evans * @author Juergen Hoeller * @author Sam Brannen */ @SuppressWarnings("rawtypes") public class ManagedPropertiesTests { @Test public void mergeSunnyDay() { ManagedProperties parent = new ManagedProperties(); parent.setProperty("one", "one"); parent.setProperty("two", "two"); ManagedProperties child = new ManagedProperties(); child.setProperty("three", "three"); child.setMergeEnabled(true); Map mergedMap = (Map) child.merge(parent); assertEquals("merge() obviously did not work.", 3, mergedMap.size()); } @Test public void mergeWithNullParent() { ManagedProperties child = new ManagedProperties(); child.setMergeEnabled(true); assertSame(child, child.merge(null)); } @Test(expected = IllegalArgumentException.class) public void mergeWithNonCompatibleParentType() { ManagedProperties map = new ManagedProperties(); map.setMergeEnabled(true); map.merge("hello"); } @Test(expected = IllegalStateException.class) public void mergeNotAllowedWhenMergeNotEnabled() { ManagedProperties map = new ManagedProperties(); map.merge(null); } @Test public void mergeEmptyChild() { ManagedProperties parent = new ManagedProperties(); parent.setProperty("one", "one"); parent.setProperty("two", "two"); ManagedProperties child = new ManagedProperties(); child.setMergeEnabled(true); Map mergedMap = (Map) child.merge(parent); assertEquals("merge() obviously did not work.", 2, mergedMap.size()); } @Test public void mergeChildValuesOverrideTheParents() { ManagedProperties parent = new ManagedProperties(); parent.setProperty("one", "one"); parent.setProperty("two", "two"); ManagedProperties child = new ManagedProperties(); child.setProperty("one", "fork"); child.setMergeEnabled(true); Map mergedMap = (Map) child.merge(parent); // child value for 'one' must override parent value... assertEquals("merge() obviously did not work.", 2, mergedMap.size()); assertEquals("Parent value not being overridden during merge().", "fork", mergedMap.get("one")); } }