001 // Copyright 2005 The Apache Software Foundation 002 // 003 // Licensed under the Apache License, Version 2.0 (the "License"); 004 // you may not use this file except in compliance with the License. 005 // You may obtain a copy of the License at 006 // 007 // http://www.apache.org/licenses/LICENSE-2.0 008 // 009 // Unless required by applicable law or agreed to in writing, software 010 // distributed under the License is distributed on an "AS IS" BASIS, 011 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 // See the License for the specific language governing permissions and 013 // limitations under the License. 014 015 package org.apache.tapestry.binding; 016 017 import static org.easymock.EasyMock.expect; 018 019 import org.apache.hivemind.ApplicationRuntimeException; 020 import org.apache.hivemind.Location; 021 import org.apache.tapestry.BaseComponentTestCase; 022 import org.apache.tapestry.IBinding; 023 import org.apache.tapestry.coerce.ValueConverter; 024 import org.apache.tapestry.engine.state.ApplicationStateManager; 025 import org.testng.annotations.Test; 026 027 /** 028 * Tests for {@link org.apache.tapestry.binding.StateBinding}and 029 * {@link org.apache.tapestry.binding.StateBindingFactory}. 030 * 031 * @author Howard M. Lewis Ship 032 * @since 4.0 033 */ 034 @Test 035 public class StateBindingTest extends BaseComponentTestCase 036 { 037 038 private ValueConverter newValueConverter() 039 { 040 return newMock(ValueConverter.class); 041 } 042 043 private IBinding newBinding(String objectName, ValueConverter vc, ApplicationStateManager asm, 044 Location location) 045 { 046 StateBindingFactory f = new StateBindingFactory(); 047 f.setValueConverter(vc); 048 f.setApplicationStateManager(asm); 049 050 return f.createBinding(null, "binding description", objectName, location); 051 } 052 053 public void testSuccess() 054 { 055 ApplicationStateManager asm = newMock(ApplicationStateManager.class); 056 057 expect(asm.exists("fred")).andReturn(true); 058 059 ValueConverter vc = newValueConverter(); 060 061 replay(); 062 063 IBinding b = newBinding("fred", vc, asm, null); 064 065 assertEquals(Boolean.TRUE, b.getObject()); 066 assertEquals(false, b.isInvariant()); 067 068 verify(); 069 } 070 071 public void testFailure() 072 { 073 Location l = fabricateLocation(22); 074 075 Throwable t = new RuntimeException("Nested exception."); 076 ApplicationStateManager asm = newMock(ApplicationStateManager.class); 077 078 expect(asm.exists("fred")).andThrow(t); 079 080 ValueConverter vc = newValueConverter(); 081 082 replay(); 083 084 IBinding b = newBinding("fred", vc, asm, l); 085 086 try 087 { 088 b.getObject(); 089 unreachable(); 090 } 091 catch (ApplicationRuntimeException ex) 092 { 093 assertEquals("Nested exception.", ex.getMessage()); 094 assertSame(l, ex.getLocation()); 095 assertSame(t, ex.getRootCause()); 096 } 097 098 verify(); 099 } 100 101 }