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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License.
18   *
19   */
20  package org.apache.mina.statemachine.transition;
21  
22  import java.lang.reflect.Method;
23  
24  import org.apache.mina.statemachine.State;
25  import org.apache.mina.statemachine.context.StateContext;
26  import org.apache.mina.statemachine.event.Event;
27  import org.apache.mina.statemachine.transition.MethodTransition;
28  
29  import com.agical.rmock.extension.junit.RMockTestCase;
30  
31  /**
32   * Tests {@link MethodTransition}.
33   *
34   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
35   */
36  public class MethodTransitionTest extends RMockTestCase {
37      State currentState;
38  
39      State nextState;
40  
41      TestStateContext context;
42  
43      Target target;
44  
45      Method subsetAllArgsMethod1;
46  
47      Method subsetAllArgsMethod2;
48  
49      Event noArgsEvent;
50  
51      Event argsEvent;
52  
53      Object[] args;
54  
55      protected void setUp() throws Exception {
56          super.setUp();
57  
58          currentState = new State("current");
59          nextState = new State("next");
60          target = (Target) mock(Target.class);
61          subsetAllArgsMethod1 = Target.class.getMethod("subsetAllArgs", new Class[] { TestStateContext.class, B.class,
62                  A.class, Integer.TYPE });
63          subsetAllArgsMethod2 = Target.class.getMethod("subsetAllArgs", new Class[] { Event.class, B.class, B.class,
64                  Boolean.TYPE });
65  
66          args = new Object[] { new A(), new B(), new C(), new Integer(627438), Boolean.TRUE };
67          context = (TestStateContext) mock(TestStateContext.class);
68          noArgsEvent = new Event("event", context, new Object[0]);
69          argsEvent = new Event("event", context, args);
70      }
71  
72      public void testExecuteWrongEventId() throws Exception {
73          startVerification();
74          MethodTransition t = new MethodTransition("otherEvent", nextState, "noArgs", target);
75          assertFalse(t.execute(noArgsEvent));
76      }
77  
78      public void testExecuteNoArgsMethodOnNoArgsEvent() throws Exception {
79          target.noArgs();
80          startVerification();
81          MethodTransition t = new MethodTransition("event", nextState, "noArgs", target);
82          assertTrue(t.execute(noArgsEvent));
83      }
84  
85      public void testExecuteNoArgsMethodOnArgsEvent() throws Exception {
86          target.noArgs();
87          startVerification();
88          MethodTransition t = new MethodTransition("event", nextState, "noArgs", target);
89          assertTrue(t.execute(argsEvent));
90      }
91  
92      public void testExecuteExactArgsMethodOnNoArgsEvent() throws Exception {
93          startVerification();
94          MethodTransition t = new MethodTransition("event", nextState, "exactArgs", target);
95          assertFalse(t.execute(noArgsEvent));
96      }
97  
98      public void testExecuteExactArgsMethodOnArgsEvent() throws Exception {
99          target.exactArgs((A) args[0], (B) args[1], (C) args[2], ((Integer) args[3]).intValue(),
100                 ((Boolean) args[4]).booleanValue());
101         startVerification();
102         MethodTransition t = new MethodTransition("event", nextState, "exactArgs", target);
103         assertTrue(t.execute(argsEvent));
104     }
105 
106     public void testExecuteSubsetExactArgsMethodOnNoArgsEvent() throws Exception {
107         startVerification();
108         MethodTransition t = new MethodTransition("event", nextState, "subsetExactArgs", target);
109         assertFalse(t.execute(noArgsEvent));
110     }
111 
112     public void testExecuteSubsetExactArgsMethodOnArgsEvent() throws Exception {
113         target.subsetExactArgs((A) args[0], (A) args[1], ((Integer) args[3]).intValue());
114         startVerification();
115         MethodTransition t = new MethodTransition("event", nextState, "subsetExactArgs", target);
116         assertTrue(t.execute(argsEvent));
117     }
118 
119     public void testExecuteAllArgsMethodOnArgsEvent() throws Exception {
120         target.allArgs(argsEvent, context, (A) args[0], (B) args[1], (C) args[2], ((Integer) args[3]).intValue(),
121                 ((Boolean) args[4]).booleanValue());
122         startVerification();
123         MethodTransition t = new MethodTransition("event", nextState, "allArgs", target);
124         assertTrue(t.execute(argsEvent));
125     }
126 
127     public void testExecuteSubsetAllArgsMethod1OnArgsEvent() throws Exception {
128         target.subsetAllArgs(context, (B) args[1], (A) args[2], ((Integer) args[3]).intValue());
129         startVerification();
130         MethodTransition t = new MethodTransition("event", nextState, subsetAllArgsMethod1, target);
131         assertTrue(t.execute(argsEvent));
132     }
133 
134     public void testExecuteSubsetAllArgsMethod2OnArgsEvent() throws Exception {
135         target.subsetAllArgs(argsEvent, (B) args[1], (B) args[2], ((Boolean) args[4]).booleanValue());
136         startVerification();
137         MethodTransition t = new MethodTransition("event", nextState, subsetAllArgsMethod2, target);
138         assertTrue(t.execute(argsEvent));
139     }
140 
141     public interface Target {
142         void noArgs();
143 
144         void exactArgs(A a, B b, C c, int integer, boolean bool);
145 
146         void allArgs(Event event, StateContext ctxt, A a, B b, C c, int integer, boolean bool);
147 
148         void subsetExactArgs(A a, A b, int integer);
149 
150         void subsetAllArgs(TestStateContext ctxt, B b, A c, int integer);
151 
152         void subsetAllArgs(Event event, B b, B c, boolean bool);
153     }
154 
155     public interface TestStateContext extends StateContext {
156     }
157 
158     public static class A {
159     }
160 
161     public static class B extends A {
162     }
163 
164     public static class C extends B {
165     }
166 }