BraveKnightTest.java

package com.springinaction.knights;

import static org.mockito.Mockito.*;

import org.junit.Test;

public class BraveKnightTest {
  @Test
  public void knightShouldEmbarkOnQuest() throws QuestException {
    Quest mockQuest = mock(Quest.class);     //<co id="co_createMockQuest"/>
    
    BraveKnight knight = new BraveKnight(mockQuest); //<co id="co_injectMockQuest"/>
    knight.embarkOnQuest();
    
    verify(mockQuest, times(1)).embark();
  }
}