/**
    * Copyright 2005-2013 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.rice.krad.uif.container;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.concurrent.Callable;
  
  import org.junit.Before;
  import org.junit.Test;
  import org.kuali.rice.krad.uif.UifConstants;
  import org.kuali.rice.krad.uif.component.Component;
  import org.kuali.rice.krad.uif.control.Control;
  import org.kuali.rice.krad.uif.control.SelectControl;
  import org.kuali.rice.krad.uif.control.TextAreaControl;
  import org.kuali.rice.krad.uif.field.InputField;
  import org.kuali.rice.krad.uif.lifecycle.ViewLifecycle;
  import org.kuali.rice.krad.uif.service.ViewHelperService;
  import org.kuali.rice.krad.uif.view.View;
  
  import static org.junit.Assert.*;
  import static org.mockito.Mockito.*;
  
  /**
   * various tests for CollectionGroup
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class CollectionGroupTest {
      private CollectionGroup group;
  
      @Before
      public void setup() {
          group = ViewLifecycle.encapsulateInitialization(new Callable<CollectionGroup>(){
              @Override
              public CollectionGroup call() throws Exception {
                  CollectionGroup group = new CollectionGroup();
                  List<Component> items = new ArrayList<Component>();
                  InputField field = new InputField();
                  field.setControl(new SelectControl());
                  items.add(field);
                  items.add(new TextAreaControl());
                  group.setItems(items);
                  return group;
              }});
      }
  
      /**
       * test that the collection group is set in all nested components' contexts
       */
      @Test
      public void testPushCollectionGroupToReference() {
          View view = mock(View.class);
          ViewHelperService helper = mock(ViewHelperService.class);
          when(view.getViewHelperService()).thenReturn(helper);
          ViewLifecycle.encapsulateLifecycle(view, null, null, null, new Runnable(){
              @Override
              public void run() {
                  CollectionGroup mutableGroup = group.copy();
                  mutableGroup.pushCollectionGroupToReference();
                  for (Component component: mutableGroup.getItems()) {
                      testForCollectionGroupInContext(component, mutableGroup);
                  }
                  Control innerControl = ((InputField) mutableGroup.getItems().get(0)).getControl();
                  testForCollectionGroupInContext(innerControl, mutableGroup);
              }});
      }
  
      /**
       * test that the collection group is available in the component's contexts
       *
       * @param component
       */
      private void testForCollectionGroupInContext(Component component, CollectionGroup group) {
          assertTrue("The component does not have the collection group key in the context",
                  component.getContext().containsKey(UifConstants.ContextVariableNames.COLLECTION_GROUP));
          assertTrue("The collection group found is not the parent group",
                  component.getContext().get(UifConstants.ContextVariableNames.COLLECTION_GROUP) == group);
      }
      
  }