/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You under the Apache License, Version 2.0
    * (the "License"); you may not use this file except in compliance with
    * the License.  You may obtain a copy of the License at
    *
    *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.commons.scxml2.model;
  
  import java.util.List;
  
  import org.apache.commons.scxml2.SCXMLExecutor;
  import org.apache.commons.scxml2.SCXMLTestHelper;
  import org.junit.Assert;
  import org.junit.Test;
  
  public class StateTest {
  
      @Test
      public void testGetTransitionsListNull() {
          State state = new State();
          Assert.assertNull(state.getTransitionsList("event"));
      }
          
      @Test
      public void testGetTransitionsList() {
          State state = new State();
          state.getTransitionsList().add(new Transition());
          Assert.assertNotNull(state.getTransitionsList(null));
      }
          
      @Test
      public void testAddTransitionDoesNotContainKey() {
          Transition transition = new Transition();
          transition.setEvent("event");
  
          State state = new State();
          state.addTransition(transition);
          
          List<Transition> events = state.getTransitionsList("event");
          
          Assert.assertEquals(1, events.size());
          Assert.assertEquals("event", events.get(0).getEvent());
      }
          
      @Test
      public void testAddTransitionContainKey() {
          Transition transition1 = new Transition();
          transition1.setEvent("event");
  
          Transition transition2 = new Transition();
          transition2.setEvent("event");
  
          State state = new State();
          state.addTransition(transition1);
          state.addTransition(transition2);
          
          List<Transition> events = state.getTransitionsList("event");
          
          Assert.assertEquals(2, events.size());
      }
          
      @Test
      public void testGetTransitionList() {
          Transition transition1 = new Transition();
          transition1.setEvent("event");
  
          Transition transition2 = new Transition();
          transition2.setEvent("event");
  
          State state = new State();
          state.addTransition(transition1);
          state.addTransition(transition2);
          
          List<Transition> events = state.getTransitionsList();
          
          Assert.assertEquals(2, events.size());
      }
          
      @Test
      public void testHasHistoryEmpty() {
          State state = new State();
          Assert.assertFalse(state.hasHistory());
      }
      
      @Test
      public void testHasHistory() {
          History history = new History();
  
          State state = new State();
         state.addHistory(history);
         
         Assert.assertTrue(state.hasHistory());
     }
         
     @Test
     public void testIsSimple() {
         State state = new State();
         Assert.assertTrue(state.isSimple());
     }
         
     @Test
     public void testIsSimpleHasChildren() {
         State state1 = new State();
         
         State state = new State();
         state.addChild(state1);
         
         Assert.assertFalse(state.isSimple());
     }
         
     @Test
     public void testIsCompositeFalse() {
         State state = new State();
         Assert.assertFalse(state.isComposite());
     }
         
     @Test
     public void testIsCompositeParallel() {
         State child = new State();
 
         State state = new State();
         state.addChild(child);
         
         Assert.assertTrue(state.isComposite());
     }
         
     @Test
     public void testIsCompositeHasChildren() {
         State state1 = new State();
 
         State state = new State();
         state.addChild(state1);
         
         Assert.assertTrue(state.isComposite());
     }
         
     @Test
     public void testIsRegion() {
         State state = new State();
         state.setParent(new Parallel());
         
         Assert.assertTrue(state.isRegion());
     }
         
     @Test
     public void testIsRegionNotParallel() {
         State state = new State();
         state.setParent(new State());
         
         Assert.assertFalse(state.isRegion());
     }
     
     @Test
     public void testInitialAttribute() throws Exception {
         SCXMLExecutor exec = SCXMLTestHelper.getExecutor("org/apache/commons/scxml2/model/state-01.xml");
         exec.go();
         Assert.assertEquals("s11", exec.getStatus().getStates().iterator().next().getId());
     }
 }