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;
21  
22  import org.apache.mina.statemachine.State;
23  import org.apache.mina.statemachine.transition.Transition;
24  
25  import com.agical.rmock.extension.junit.RMockTestCase;
26  
27  /**
28   * Tests {@link State}.
29   *
30   * @author The Apache MINA Project (dev@mina.apache.org)
31   * @version $Rev: 592122 $, $Date: 2007-11-05 12:10:32 -0700 (Mon, 05 Nov 2007) $
32   */
33  public class StateTest extends RMockTestCase {
34      State state;
35      Transition transition1;
36      Transition transition2;
37      Transition transition3;
38      
39      protected void setUp() throws Exception {
40          state = new State("test");
41          transition1 = (Transition) mock(Transition.class);
42          transition2 = (Transition) mock(Transition.class);
43          transition3 = (Transition) mock(Transition.class);
44      }
45  
46      public void testAddFirstTransition() throws Exception {
47          assertTrue(state.getTransitions().isEmpty());
48          state.addTransition(transition1);
49          assertFalse(state.getTransitions().isEmpty());
50          assertEquals(1, state.getTransitions().size());
51          assertSame(transition1, state.getTransitions().get(0));
52      }
53  
54      public void testUnweightedTransitions() throws Exception {
55          assertTrue(state.getTransitions().isEmpty());
56          state.addTransition(transition1);
57          state.addTransition(transition2);
58          state.addTransition(transition3);
59          assertEquals(3, state.getTransitions().size());
60          assertSame(transition1, state.getTransitions().get(0));
61          assertSame(transition2, state.getTransitions().get(1));
62          assertSame(transition3, state.getTransitions().get(2));
63      }
64      
65      public void testWeightedTransitions() throws Exception {
66          assertTrue(state.getTransitions().isEmpty());
67          state.addTransition(transition1, 10);
68          state.addTransition(transition2, 5);
69          state.addTransition(transition3, 7);
70          assertEquals(3, state.getTransitions().size());
71          assertSame(transition2, state.getTransitions().get(0));
72          assertSame(transition3, state.getTransitions().get(1));
73          assertSame(transition1, state.getTransitions().get(2));
74      }
75  
76      public void testAddTransitionReturnsSelf() throws Exception {
77          assertSame(state, state.addTransition(transition1));
78      }
79  
80      public void testAddNullTransitionThrowsException() throws Exception {
81          try {
82              state.addTransition(null);
83              fail("null transition added. NullPointerException expected.");
84          } catch (NullPointerException npe) {
85          }
86      }
87      
88  }