content: /*
   * Created on Apr 1, 2008
   *
   * 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.
   *
   * Copyright @2008-2013 the original author or authors.
   */
  package org.fest.swing.core;
  
  import static org.fest.assertions.Assertions.assertThat;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  import java.awt.Component;
  
  import org.fest.swing.test.builder.JLabels;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   * Tests for {@link FocusOwnerFinder#focusOwner()}.
   *
   * @author Alex Ruiz
   * @author Yvonne Wang
   */
  public class FocusOwnerFinder_focusOwner_Test {
    private FocusOwnerFinderStrategy strategy1;
    private FocusOwnerFinderStrategy strategy2;
  
    @Before
    public void setUp() {
      strategy1 = mockFocusOwnerFinderStrategy();
      strategy2 = mockFocusOwnerFinderStrategy();
      FocusOwnerFinder.replaceStrategiesWith(strategy1, strategy2);
    }
  
    private static FocusOwnerFinderStrategy mockFocusOwnerFinderStrategy() {
      return mock(FocusOwnerFinderStrategy.class);
    }
  
    @After
    public void tearDown() {
      FocusOwnerFinder.initializeStrategies();
    }
  
    @Test
    public void should_try_next_strategy_if_focus_owner_not_found() {
      Component focusOwner = JLabels.label().createNew();
      when(strategy1.focusOwner()).thenThrow(new RuntimeException());
      when(strategy2.focusOwner()).thenReturn(focusOwner);
      assertThat(FocusOwnerFinder.focusOwner()).isSameAs(focusOwner);
    }
  
    @Test
    public void should_return_null_if_strategies_do_not_find_focus_owner() {
      when(strategy1.focusOwner()).thenThrow(new RuntimeException());
      when(strategy2.focusOwner()).thenThrow(new RuntimeException());
      assertThat(FocusOwnerFinder.focusOwner()).isNull();
    }
  }
  