/* * 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.wicket.util.string.interpolator; import org.apache.wicket.core.util.string.interpolator.PropertyVariableInterpolator; import org.junit.Assert; import org.junit.Test; /** * Tests {@link PropertyVariableInterpolator} * * @author Gerolf Seitz */ public class PropertyVariableInterpolatorTest extends Assert { /** * */ @Test public void withValue() { TestClass object = new TestClass("value"); String result = new PropertyVariableInterpolator("${key}", object).toString(); assertEquals("value", result.toString()); } /** * A test that shows a usage of escape character. The first two '$' characters are squashed to * '$' and '${key}' is interpolated to the respective value */ @Test public void withValueAndEscape() { TestClass object = new TestClass("3.24"); String result = new PropertyVariableInterpolator("$$${key}", object).toString(); assertEquals("$3.24", result.toString()); } /** * */ @Test public void withoutValue() { String result = new PropertyVariableInterpolator("${key}", null).toString(); assertEquals("${key}", result.toString()); } private static class TestClass { private final String key; public TestClass(String key) { this.key = key; } } }