    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  package org.apache.commons.scxml;
    18
    19  import java.io.Serializable;
    20  import java.net.URL;
    21  import java.util.List;
    22  import java.util.Map;
    23  import java.util.Set;
    24
    25  import junit.framework.Test;
    26  import junit.framework.TestCase;
    27  import junit.framework.TestSuite;
    28  import junit.textui.TestRunner;
    29
    30  import org.apache.commons.scxml.env.Tracer;
    31  import org.apache.commons.scxml.env.jexl.JexlContext;
    32  import org.apache.commons.scxml.env.jexl.JexlEvaluator;
    33  import org.apache.commons.scxml.model.SCXML;
    34  import org.apache.commons.scxml.model.State;
    35  /***
    36   * Unit tests {@link org.apache.commons.scxml.SCXMLExecutor}.
    37   */
    38  public class WizardsTest extends TestCase {
    39      /***
    40       * Construct a new instance of SCXMLExecutorTest with
    41       * the specified name
    42       */
    43      public WizardsTest(String name) {
    44          super(name);
    45      }
    46
    47      public static Test suite() {
    48          TestSuite suite = new TestSuite(WizardsTest.class);
    49          suite.setName("SCXML Executor Tests, Wizard Style documents");
    50          return suite;
    51      }
    52
    53      // Test data
    54      private URL wizard01, wizard02;
    55      private SCXMLExecutor exec;
    56
    57      /***
    58       * Set up instance variables required by this test case.
    59       */
    60      public void setUp() {
    61          wizard01 = this.getClass().getClassLoader().
    62              getResource("org/apache/commons/scxml/env/jexl/wizard-01.xml");
    63          wizard02 = this.getClass().getClassLoader().
    64              getResource("org/apache/commons/scxml/env/jexl/wizard-02.xml");
    65      }
    66
    67      /***
    68       * Tear down instance variables required by this test case.
    69       */
    70      public void tearDown() {
    71          wizard01 = wizard02 = null;
    72      }
    73
    74      /***
    75       * Test the wizard style SCXML documents, and send usage
    76       */
    77      public void testWizard01Sample() {
    78      	exec = SCXMLTestHelper.getExecutor(wizard01);
    79          assertNotNull(exec);
    80          try {
    81              Set currentStates = exec.getCurrentStatus().getStates();
    82              assertEquals(1, currentStates.size());
    83              assertEquals("state1", ((State)currentStates.iterator().
    84                  next()).getId());
    85              exec = SCXMLTestHelper.testExecutorSerializability(exec);
    86              currentStates = SCXMLTestHelper.fireEvent(exec, "event2");
    87              assertEquals(1, currentStates.size());
    88              assertEquals("state2", ((State)currentStates.iterator().
    89                  next()).getId());
    90              currentStates = SCXMLTestHelper.fireEvent(exec, "event4");
    91              assertEquals(1, currentStates.size());
    92              assertEquals("state4", ((State)currentStates.iterator().
    93                  next()).getId());
    94              currentStates = SCXMLTestHelper.fireEvent(exec, "event3");
    95              assertEquals(1, currentStates.size());
    96              assertEquals("state3", ((State)currentStates.iterator().
    97                  next()).getId());
    98              exec = SCXMLTestHelper.testExecutorSerializability(exec);
    99              currentStates = SCXMLTestHelper.fireEvent(exec, "event3"); // ensure we stay put
    100             assertEquals(1, currentStates.size());
    101             assertEquals("state3", ((State)currentStates.iterator().
    102                 next()).getId());
    103         } catch (Exception e) {
    104             fail(e.getMessage());
    105         }
    106     }
    107
    108     public void testWizard02Sample() {
    109         SCXML scxml = SCXMLTestHelper.digest(wizard02);
    110         exec = SCXMLTestHelper.getExecutor(new JexlContext(),
    111             new JexlEvaluator(), scxml, new TestEventDispatcher(),
    112             new Tracer());
    113         assertNotNull(exec);
    114         try {
    115             // If you change this, you must also change
    116             // the TestEventDispatcher
    117             Set currentStates = exec.getCurrentStatus().getStates();
    118             assertEquals(1, currentStates.size());
    119             assertEquals("state2", ((State)currentStates.iterator().
    120                 next()).getId());
    121             exec = SCXMLTestHelper.testExecutorSerializability(exec);
    122             currentStates = SCXMLTestHelper.fireEvent(exec, "event4");
    123             assertEquals(1, currentStates.size());
    124             assertEquals("state4", ((State)currentStates.iterator().
    125                 next()).getId());
    126         } catch (Exception e) {
    127             fail(e.getMessage());
    128         }
    129     }
    130
    131     static class TestEventDispatcher implements EventDispatcher, Serializable {
    132         private static final long serialVersionUID = 1L;
    133         // If you change this, you must also change testWizard02Sample()
    134         int callback = 0;
    135         public void send(String sendId, String target, String targetType,
    136                 String event, Map params, Object hints, long delay,
    137                 List externalNodes) {
    138             int i = ((Integer) params.get("aValue")).intValue();
    139             switch (callback) {
    140                 case 0:
    141                     assertTrue(i == 2); // state2
    142                     callback++;
    143                     break;
    144                 case 1:
    145                     assertTrue(i == 4); // state4
    146                     callback++;
    147                     break;
    148                 default:
    149                     fail("More than 2 TestEventDispatcher <send> callbacks");
    150             }
    151         }
    152         public void cancel(String sendId) {
    153             // should never be called
    154             fail("<cancel> TestEventDispatcher callback unexpected");
    155         }
    156     }
    157
    158     public static void main(String args[]) {
    159         TestRunner.run(suite());
    160     }
    161 }