Mockito-方法介绍（二）

	@Test
	public void testMockito8() {
		LinkedList mockedList1 = mock(LinkedList.class);
		LinkedList mockedList2 = mock(LinkedList.class);
		
		// using mocks
		mockedList1.add("one");
		mockedList1.add("two");

		verify(mockedList1).add("one");

		// 下面验证会失败
		verifyNoMoreInteractions(mockedList1);
		
		// 下面验证会成功
		verifyNoMoreInteractions(mockedList2);
	}

   public class ArticleManagerTest extends SampleBaseTestCase { 
     
       @Mock private ArticleCalculator calculator;
       @Mock private ArticleDatabase database;
       @Mock private UserProvider userProvider;
     
       private ArticleManager manager;
     
       @Before public void setup() {
           manager = new ArticleManager(userProvider, database, calculator);
       }
   }
   
   public class SampleBaseTestCase {
   
       @Before public void initMocks() {
           MockitoAnnotations.initMocks(this);
       }
   }

	@Test
	public void testMockito10() {
		LinkedList mock = mock(LinkedList.class);
		when(mock.get(0)).thenReturn("first").thenReturn("second").thenReturn("third");

		// 第一次调用，输出"first"
		System.out.println(mock.get(0));

		// 第二次调用，输出"second"
		System.out.println(mock.get(0));

		// 第三次及以后调用，都输出"third"
		System.out.println(mock.get(0));
	}

	@Test
	public void testMockito11(){
		LinkedList mock = mock(LinkedList.class);
		when(mock.get(0)).thenAnswer(new Answer() {
		     public Object answer(InvocationOnMock invocation) {
		         Object[] args = invocation.getArguments();
		         Object mock = invocation.getMock();
		         return "called with arguments: " + args.length;
		     }
		 });
		 
		 //Following prints "called with arguments: 1"
		 System.out.println(mock.get(0));
	}

	@Test
	public void testMockito12() {
		LinkedList mockedList = mock(LinkedList.class);
		doThrow(new RuntimeException()).when(mockedList).clear();

		// 下面调用会抛异常
		mockedList.clear();
	}

	@Test
	public void testMockito13() {
		List list = new LinkedList();
		List spy = spy(list);

		// Spy对象也可以设置期望值
		when(spy.size()).thenReturn(100);

		// 使用spy对象调用真实的方法
		spy.add("one");
		spy.add("two");

		// 输出"one"
		System.out.println(spy.get(0));

		// 由于我们对size设置了期望值，所以下面会输出期望值100
		System.out.println(spy.size());

		// 验证方法的调用
		verify(spy).add("one");
		verify(spy).add("two");
	}