| // Copyright 2004 The Apache Software Foundation |
| // |
| // 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.apache.tapestry.junit; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import junit.framework.AssertionFailedError; |
| import ognl.Ognl; |
| |
| import org.apache.tapestry.ApplicationRuntimeException; |
| import org.apache.tapestry.IActionListener; |
| import org.apache.tapestry.IRequestCycle; |
| import org.apache.tapestry.listener.ListenerMap; |
| |
| /** |
| * Tests the {@link org.apache.tapestry.listener.ListenerMap} and |
| * {@link org.apache.tapestry.listener.ListenerMapPropertyAccessor} |
| * classes. |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * @since 2.2 |
| * |
| **/ |
| |
| public class TestListenerMap extends TapestryTestCase |
| { |
| public static class Listener |
| { |
| public int invokeCount = 0; |
| |
| public void nonListenerMethod() |
| { |
| } |
| |
| public String almostListenerMethod(IRequestCycle cycle) |
| { |
| return null; |
| } |
| |
| public void actualListenerMethod(IRequestCycle cycle) |
| { |
| invokeCount++; |
| } |
| |
| public void listenerThrows(IRequestCycle cycle) |
| { |
| invokeCount++; |
| } |
| |
| public static void nearMiss(IRequestCycle cycle) |
| { |
| } |
| |
| static void mustBePublic(IRequestCycle cycle) |
| { |
| } |
| |
| public void invokeAndThrow(IRequestCycle cycle) |
| { |
| throw new ApplicationRuntimeException("From invokeAndThrow"); |
| } |
| |
| public void invokeAndThrowRuntime(IRequestCycle cycle) |
| { |
| throw new RuntimeException("From invokeAndThrowRuntime"); |
| } |
| |
| public String toString() |
| { |
| return "TestListenerMap.Listener[" + invokeCount + "]"; |
| } |
| } |
| |
| public static class ListenerSubclass extends Listener |
| { |
| public void subclassMethod(IRequestCycle cycle) |
| { |
| invokeCount++; |
| } |
| } |
| |
| private void attempt(String methodName, Listener listener, ListenerMap map) |
| { |
| int count = listener.invokeCount; |
| |
| IActionListener l = (IActionListener) map.getListener(methodName); |
| |
| assertNotNull(l); |
| |
| try |
| { |
| l.actionTriggered(null, null); |
| } |
| catch (ApplicationRuntimeException ex) |
| { |
| throw new AssertionFailedError("Unexpected ApplicationRuntimeException."); |
| } |
| |
| assertEquals("Invoke count.", count + 1, listener.invokeCount); |
| } |
| |
| public void testListenerMethods() |
| { |
| Listener l = new Listener(); |
| ListenerMap m = new ListenerMap(l); |
| |
| attempt("actualListenerMethod", l, m); |
| attempt("listenerThrows", l, m); |
| } |
| |
| public void testListenerNames() |
| { |
| Listener l = new Listener(); |
| ListenerMap m = new ListenerMap(l); |
| |
| List names = new ArrayList(m.getListenerNames()); |
| Collections.sort(names); |
| |
| checkList( |
| "Method names.", |
| new String[] { |
| "actualListenerMethod", |
| "invokeAndThrow", |
| "invokeAndThrowRuntime", |
| "listenerThrows" }, |
| names); |
| } |
| |
| public void testSubclassMethods() |
| { |
| Listener l = new ListenerSubclass(); |
| ListenerMap m = new ListenerMap(l); |
| |
| attempt("actualListenerMethod", l, m); |
| attempt("listenerThrows", l, m); |
| attempt("subclassMethod", l, m); |
| } |
| |
| public void testSubclassListenerNames() |
| { |
| Listener l = new ListenerSubclass(); |
| ListenerMap m = new ListenerMap(l); |
| |
| List names = new ArrayList(m.getListenerNames()); |
| Collections.sort(names); |
| |
| checkList( |
| "Method names.", |
| new String[] { |
| "actualListenerMethod", |
| "invokeAndThrow", |
| "invokeAndThrowRuntime", |
| "listenerThrows", |
| "subclassMethod" }, |
| names); |
| } |
| |
| public void testListenerMethodPropertyAccess() throws Exception |
| { |
| Listener l = new ListenerSubclass(); |
| ListenerMap m = new ListenerMap(l); |
| |
| IActionListener al = (IActionListener) Ognl.getValue("subclassMethod", m); |
| |
| int count = l.invokeCount; |
| |
| al.actionTriggered(null, null); |
| |
| assertEquals("Invocation count.", count + 1, l.invokeCount); |
| } |
| |
| public void testPropertyAccess() throws Exception |
| { |
| Listener l = new ListenerSubclass(); |
| ListenerMap m = new ListenerMap(l); |
| |
| // class is a handy, read-only property. |
| |
| Class c = (Class) Ognl.getValue("class", m); |
| |
| assertEquals("ListenerMap class property.", ListenerMap.class, c); |
| } |
| |
| public void testInvokeAndThrow() throws Exception |
| { |
| Listener l = new ListenerSubclass(); |
| ListenerMap m = new ListenerMap(l); |
| IActionListener listener = (IActionListener) m.getListener("invokeAndThrow"); |
| |
| try |
| { |
| listener.actionTriggered(null, null); |
| |
| throw new AssertionFailedError("Unreachable."); |
| } |
| catch (ApplicationRuntimeException ex) |
| { |
| checkException(ex, "From invokeAndThrow"); |
| } |
| } |
| |
| public void testInvokeAndThrowRuntime() throws Exception |
| { |
| Listener l = new ListenerSubclass(); |
| ListenerMap m = new ListenerMap(l); |
| IActionListener listener = (IActionListener) m.getListener("invokeAndThrowRuntime"); |
| |
| try |
| { |
| listener.actionTriggered(null, null); |
| |
| throw new AssertionFailedError("Unreachable."); |
| } |
| catch (ApplicationRuntimeException ex) |
| { |
| checkException( |
| ex, |
| "Unable to invoke method invokeAndThrowRuntime on TestListenerMap.Listener[0]: From invokeAndThrowRuntime"); |
| } |
| } |
| |
| public void testToString() throws Exception |
| { |
| Listener l = new Listener(); |
| ListenerMap m = new ListenerMap(l); |
| |
| IActionListener listener = (IActionListener) m.getListener("actualListenerMethod"); |
| |
| assertEquals( |
| "ToString", |
| "SyntheticListener[TestListenerMap.Listener[0] public void org.apache.tapestry.junit.TestListenerMap$Listener.actualListenerMethod(org.apache.tapestry.IRequestCycle)]", |
| listener.toString()); |
| |
| assertEquals("ToString", "ListenerMap[TestListenerMap.Listener[0]]", m.toString()); |
| } |
| |
| public void testIsCached() throws Exception |
| { |
| Listener l = new Listener(); |
| ListenerMap m = new ListenerMap(l); |
| |
| IActionListener listener = (IActionListener) m.getListener("actualListenerMethod"); |
| |
| assertSame("Listener", listener, m.getListener("actualListenerMethod")); |
| } |
| |
| } |