001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *    http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 *
019 */
020package org.apache.mina.statemachine.transition;
021
022import java.lang.reflect.Method;
023
024import org.apache.mina.statemachine.State;
025import org.apache.mina.statemachine.context.StateContext;
026import org.apache.mina.statemachine.event.Event;
027import org.apache.mina.statemachine.transition.MethodTransition;
028
029import com.agical.rmock.extension.junit.RMockTestCase;
030
031/**
032 * Tests {@link MethodTransition}.
033 *
034 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
035 */
036public class MethodTransitionTest extends RMockTestCase {
037    State currentState;
038
039    State nextState;
040
041    TestStateContext context;
042
043    Target target;
044
045    Method subsetAllArgsMethod1;
046
047    Method subsetAllArgsMethod2;
048
049    Event noArgsEvent;
050
051    Event argsEvent;
052
053    Object[] args;
054
055    protected void setUp() throws Exception {
056        super.setUp();
057
058        currentState = new State("current");
059        nextState = new State("next");
060        target = (Target) mock(Target.class);
061        subsetAllArgsMethod1 = Target.class.getMethod("subsetAllArgs", new Class[] { TestStateContext.class, B.class,
062                A.class, Integer.TYPE });
063        subsetAllArgsMethod2 = Target.class.getMethod("subsetAllArgs", new Class[] { Event.class, B.class, B.class,
064                Boolean.TYPE });
065
066        args = new Object[] { new A(), new B(), new C(), new Integer(627438), Boolean.TRUE };
067        context = (TestStateContext) mock(TestStateContext.class);
068        noArgsEvent = new Event("event", context, new Object[0]);
069        argsEvent = new Event("event", context, args);
070    }
071
072    public void testExecuteWrongEventId() throws Exception {
073        startVerification();
074        MethodTransition t = new MethodTransition("otherEvent", nextState, "noArgs", target);
075        assertFalse(t.execute(noArgsEvent));
076    }
077
078    public void testExecuteNoArgsMethodOnNoArgsEvent() throws Exception {
079        target.noArgs();
080        startVerification();
081        MethodTransition t = new MethodTransition("event", nextState, "noArgs", target);
082        assertTrue(t.execute(noArgsEvent));
083    }
084
085    public void testExecuteNoArgsMethodOnArgsEvent() throws Exception {
086        target.noArgs();
087        startVerification();
088        MethodTransition t = new MethodTransition("event", nextState, "noArgs", target);
089        assertTrue(t.execute(argsEvent));
090    }
091
092    public void testExecuteExactArgsMethodOnNoArgsEvent() throws Exception {
093        startVerification();
094        MethodTransition t = new MethodTransition("event", nextState, "exactArgs", target);
095        assertFalse(t.execute(noArgsEvent));
096    }
097
098    public void testExecuteExactArgsMethodOnArgsEvent() throws Exception {
099        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}