| /* |
| * 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.struts2.components; |
| |
| import java.io.StringWriter; |
| import java.util.Map; |
| |
| import org.apache.struts2.StrutsInternalTestCase; |
| import org.apache.struts2.util.StrutsTypeConverter; |
| |
| import com.opensymphony.xwork2.ActionContext; |
| import com.opensymphony.xwork2.conversion.impl.XWorkConverter; |
| import com.opensymphony.xwork2.util.ValueStack; |
| |
| /** |
| * |
| */ |
| public class PropertyTest extends StrutsInternalTestCase { |
| private XWorkConverter converter; |
| |
| public void setUp() throws Exception { |
| super.setUp(); |
| converter = container.getInstance(XWorkConverter.class); |
| } |
| |
| public void tearDown() throws Exception { |
| super.tearDown(); |
| converter = null; |
| } |
| public void testNormalBehaviour() { |
| final ValueStack stack = ActionContext.getContext().getValueStack(); |
| stack.push(new FooBar("foo-value", "bar-value")); |
| final Property property = new Property(stack); |
| property.setDefault("default"); |
| property.setValue("foo"); |
| assertPropertyOutput("foo-value", property); |
| } |
| |
| public void testDefaultShouldBeOutputIfBeanNotAvailable() { |
| final ValueStack stack = ActionContext.getContext().getValueStack(); |
| final Property property = new Property(stack); |
| property.setDefault("default"); |
| property.setValue("foo"); |
| assertPropertyOutput("default", property); |
| } |
| |
| public void testDefaultShouldBeOutputIfPropertyIsNull() { |
| final ValueStack stack = ActionContext.getContext().getValueStack(); |
| stack.push(new FooBar(null, "bar-value")); |
| final Property property = new Property(stack); |
| property.setDefault("default"); |
| property.setValue("foo"); |
| assertPropertyOutput("default", property); |
| } |
| |
| public void testTopValueShouldReturnTopOfValueStack() { |
| final ValueStack stack = ActionContext.getContext().getValueStack(); |
| stack.push(new FooBar("foo-value", "bar-value")); |
| final Property property = new Property(stack); |
| property.setDefault("default"); |
| property.setValue("top"); |
| assertPropertyOutput("foo-value/bar-value", property); |
| } |
| |
| public void testTypeConverterShouldBeUsed() { |
| final ValueStack stack = ActionContext.getContext().getValueStack(); |
| converter.registerConverter("org.apache.struts2.components.PropertyTest$FooBar", new FooBarConverter()); |
| stack.push(new FooBar("foo-value", "bar-value")); |
| final Property property = new Property(stack); |
| property.setDefault("default"); |
| property.setValue("top"); |
| assertPropertyOutput("*foo-value + bar-value*", property); |
| } |
| |
| public void testTypeConverterReturningNullShouldLeadToDisplayOfDefaultValue() { |
| final ValueStack stack = ActionContext.getContext().getValueStack(); |
| converter.registerConverter("org.apache.struts2.components.PropertyTest$FooBar", new FooBarConverter()); |
| stack.push(new FooBar("foo-value", null)); |
| final Property property = new Property(stack); |
| property.setDefault("default"); |
| property.setValue("top"); |
| assertPropertyOutput("default", property); |
| } |
| |
| private static void assertPropertyOutput(String expectedOutput, Property property) { |
| final StringWriter out = new StringWriter(); |
| assertTrue(property.start(out)); |
| assertEquals(expectedOutput, out.getBuffer().toString()); |
| } |
| |
| private final class FooBar { |
| private String foo; |
| private String bar; |
| |
| public FooBar(String foo, String bar) { |
| this.foo = foo; |
| this.bar = bar; |
| } |
| |
| public String getFoo() { |
| return foo; |
| } |
| |
| public String getBar() { |
| return bar; |
| } |
| |
| public String toString() { |
| return foo + "/" + bar; |
| } |
| } |
| |
| private final class FooBarConverter extends StrutsTypeConverter { |
| public Object convertFromString(Map context, String[] values, Class toClass) { |
| return null; |
| } |
| |
| public String convertToString(Map context, Object o) { |
| FooBar fooBar = (FooBar) o; |
| if (fooBar.getBar() == null) { |
| return null; |
| } else { |
| return "*" + fooBar.getFoo() + " + " + fooBar.getBar() + "*"; |
| } |
| } |
| } |
| } |