1public class IndexServiceImpl implements IndexService {
 2public TranslateService translateService;
 3
 4    private void setTranslateService(TranslateService translateService) {
 5        this.translateService = translateService;
 6    }
 7
 8    @Override
 9    public String output() throws Exception {
10        String description = read();
11        //TranslateService translateService = new TranslateServiceImpl();
12        Map rules = translateService.get(description);
13        ComputeService computeService = new ComputeServiceImpl(rules);
14        return  computeService.get(description);
15    }
16}
17
18
19@RunWith(MockitoJUnitRunner.class)
20public class IndexServiceTest {
21
22@InjectMocks
23private IndexServiceImpl indexService;
24@Mock
25private TranslateService translateService;
26
27    @Before
28    public void setUp() throws Exception {
29        MockitoAnnotations.initMocks(this);
30    }
31
32    @Test
33    public void whenInputThenCorrectOutput() throws Exception {
34        //部分模拟
35        indexService =  spy(IndexServiceImpl.class);
36        
37
38        //模拟翻译服务
39         when(translateService.get(anyString())).thenReturn(exchangeRule);
40
41        //主要测试内容： 输出
42        String output =  indexService.output();
43        verify(indexService).read();
44        verify(translateService).get(anyString());
45        Assert.assertNotNull(output);
46        Assert.assertFalse(output.isEmpty());
47    }
48}