/*
    * 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.invoke;
  
  import java.util.Set;
  
  import org.apache.commons.scxml2.SCXMLExecutor;
  import org.apache.commons.scxml2.SCXMLTestHelper;
  import org.apache.commons.scxml2.env.SimpleDispatcher;
  import org.apache.commons.scxml2.env.SimpleErrorReporter;
  import org.apache.commons.scxml2.io.SCXMLReader;
  import org.apache.commons.scxml2.model.EnterableState;
  import org.apache.commons.scxml2.model.SCXML;
  import org.junit.Assert;
  import org.junit.Test;
  
  /**
   * Unit tests {@link org.apache.commons.scxml2.SCXMLExecutor}.
   * Testing <invoke>
   */
  public class InvokeTest {
  
      /**
       * Test the SCXML documents, usage of &lt;invoke&gt;
       */    
      @Test
      public void testInvoke01Sample() throws Exception {
          SCXML scxml = SCXMLReader.read(SCXMLTestHelper.getResource("org/apache/commons/scxml2/invoke/invoker-01.xml"));
          SCXMLExecutor exec = new SCXMLExecutor(null, new SimpleDispatcher(), new SimpleErrorReporter());
          exec.setStateMachine(scxml);
          exec.registerInvokerClass("scxml", SimpleSCXMLInvoker.class);
          exec.go();
          Set<EnterableState> currentStates = exec.getStatus().getStates();
          Assert.assertEquals(1, currentStates.size());
          Assert.assertEquals("invoker", currentStates.iterator().next().getId());
      }
      
      @Test
      public void testInvoke02Sample() throws Exception {
          SCXML scxml = SCXMLReader.read(SCXMLTestHelper.getResource("org/apache/commons/scxml2/invoke/invoker-02.xml"));
          SCXMLExecutor exec = new SCXMLExecutor(null, new SimpleDispatcher(), new SimpleErrorReporter());
          exec.setStateMachine(scxml);
          exec.registerInvokerClass("scxml", SimpleSCXMLInvoker.class);
          exec.go();
          Set<EnterableState> currentStates = exec.getStatus().getStates();
          Assert.assertEquals(1, currentStates.size());
      }
      
      @Test
      public void testInvoke03Sample() throws Exception {
          SCXML scxml = SCXMLReader.read(SCXMLTestHelper.getResource("org/apache/commons/scxml2/invoke/invoker-03.xml"));
          SCXMLExecutor exec = new SCXMLExecutor(null, new SimpleDispatcher(), new SimpleErrorReporter());
          exec.setStateMachine(scxml);
          exec.registerInvokerClass("scxml", SimpleSCXMLInvoker.class);
          exec.go();
          Set<EnterableState> currentStates = exec.getStatus().getStates();
          Assert.assertEquals(1, currentStates.size());
          SCXMLTestHelper.fireEvent(exec, "s1.next");
          SCXMLTestHelper.fireEvent(exec, "state1.next");
      }
  }