/*
    * Copyright 2012 Oracle Corporation. All Rights Reserved.
    *
    * Licensed 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 com.fatwire.gst.foundation.groovy.context;
  
  import groovy.lang.GroovyClassLoader;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import org.codehaus.groovy.control.MultipleCompilationErrorsException;
  import org.junit.Test;
  
  import com.fatwire.gst.foundation.controller.action.Factory;
  import com.fatwire.gst.foundation.test.MockICS;
  
  /**
   * @author dolf
   * 
   */
  public class GroovyFactoryTest {
  
      /**
       * Test method for
       * {@link com.fatwire.gst.foundation.controller.action.support.BaseFactory#getObject(java.lang.String, java.lang.Class)}
       * .
       */
      @Test
      public void testGetObject() {
  
          MockICS ics = new MockICS();
          GroovyClassLoader gcl = new GroovyClassLoader();
  
          gcl.addClasspath("./src/test/groovy");
  
          GroovyFactory factory = new GroovyFactory(ics, gcl);
          List<?> list = factory.getObject("foo", List.class);
          org.junit.Assert.assertNotNull(list);
  
      }
  
      @Test
      public void testGetObject_bad_source() {
  
          MockICS ics = new MockICS();
          GroovyClassLoader gcl = new GroovyClassLoader();
  
          gcl.addClasspath("./src/test/bad-groovy");
          try {
  
              GroovyFactory factory = new GroovyFactory(ics, gcl);
              factory.getObject("foo", List.class);
          } catch (MultipleCompilationErrorsException e) {
  
              return;
          }
          org.junit.Assert.fail("should not have reached beyond the exception");
  
      }
  
      @Test
      public void testGetObject_no_method() {
  
          MockICS ics = new MockICS();
          GroovyClassLoader gcl = new GroovyClassLoader();
  
          gcl.addClasspath("./src/test/groovy");
  
          GroovyFactory factory = new GroovyFactory(ics, gcl);
          Map<?,?> map = factory.getObject("foo", Map.class);
          org.junit.Assert.assertNull(map);
  
      }
  
      @Test
      public void testGetObject_from_root() {
  
          MockICS ics = new MockICS();
          Factory root = new Factory() {
  
              @SuppressWarnings("unchecked")
              @Override
              public <T> T getObject(String name, Class<T> c) {
                  ArrayList<String> al = new ArrayList<String>();
                 al.add("tomato");
                 al.add("salad");
                 return (T) ((al.getClass().isAssignableFrom(c)) ? al: null);
 
             }
 
         };
 
         GroovyClassLoader gcl = new GroovyClassLoader();
 
         gcl.addClasspath("./src/test/groovy");
 
         GroovyFactory factory = new GroovyFactory(ics, gcl, root);
         Collection<?> list;
 
         // first check to see if we get the item back from the ObjectFactory classloader.
         list = factory.getObject("foobar1", List.class);
         org.junit.Assert.assertNotNull("Getting object from the ObjectFactory", list);
         org.junit.Assert.assertEquals("Getting object from the ObjectFactory", 0, list.size());
 
         // now request a Set, which won't be returned from ObjectFactory, and it can't be returned from the local factory
         list = factory.getObject("foobar2", Set.class);
         org.junit.Assert.assertNull("Request a Set, which neither factory can return", list);
 
         // requesting the collection will return the entry in the ObjectFactory because the returned List is a Collection
         // so instead request a Set, which won't be returned by ObjectFactory.
         list = factory.getObject("foobar3", Collection.class);
         org.junit.Assert.assertNotNull("Request a collection, which both factories can return - we expect the ObjectFactory one to take precedence", list);
         org.junit.Assert.assertEquals(0, list.size());
 
         // request an array list, which ObjectFactory can't return but the root factory can return
         list = factory.getObject("foobar4", ArrayList.class);
         org.junit.Assert.assertNotNull("Request an ArrayList which only the root can return.", list);
         org.junit.Assert.assertEquals(2, list.size());
     }
 }