单元测试

Question

我尝试使用Retrofit为我的api通话（通过Mockito 2.0制作）创建单元测试。

这似乎是使用Mockito Retrofit时最受欢迎的博客。

http://mdswanson.com/blog/2013/12/16/reliable-android-http-testing-with-retrofit-and-mockito.html

不幸的是，它使用早期版本的Retrofit，并且取决于Callbacks和RetrofitError，它们已从2.0停止。

如何使用Retrofit 2.0执行此操作？

P.S。：我使用RxJava和retrofit，因此适用于RxJava的内容会非常棒。谢谢！

Answer 1

在Retrofit的官方存储库中有一个可能有用的示例： https://github.com/square/retrofit/tree/master/retrofit-mock

我还发现：https://touk.pl/blog/2014/02/26/mock-retrofit-using-dagger-and-mockito/

在这里你可以找到这个片段：

单元测试

在开发应用程序期间，您可以随时向服务器发送请求（或   大部分时间）所以有可能没有模拟服务器，它   糟透了但是有可能。不幸的是你无法写好   没有模拟的测试。下面有两个单元测试。实际上他们   不要测试任何东西，只是以简单的方式展示如何模拟Retrofit   使用Mockito和Dagger进行服务。

    @RunWith(RobolectricTestRunner.class)
public class EchoServiceTest {

    @Inject
    protected EchoService loginService;

    @Inject
    protected Client client;

    @Before
    public void setUp() throws Exception {
        Injector.add(new AndroidModule(), 
                     new RestServicesModule(),
                     new RestServicesMockModule(),
                     new TestModule());
        Injector.inject(this);
    }

    @Test
    public void shouldReturnOfferInAsyncMode() throws IOException {
        //given
        int expectedQuantity = 765;
        String responseContent = "{" +
                "   \"message\": \"mock message\"," +
                "   \"quantity\": \"" + expectedQuantity + "\"" +
                "}";
        mockResponseWithCodeAndContent(200, responseContent);

        //when
        EchoResponse echoResponse = loginService.getMessageAndQuantity("test", "test");

        //then
        assertThat(echoResponse.getQuantity()).isEqualTo(expectedQuantity);
    }

    @Test
    public void shouldReturnOfferInAsyncModea() throws IOException {
        //given
        int expectedQuantity = 2;
        String responseContent = "{" +
                "   \"message\": \"mock message\"," +
                "   \"quantity\": \"" + expectedQuantity + "\"" +
                "}";
        mockResponseWithCodeAndContent(200, responseContent);

        //when
        EchoResponse echoResponse = loginService.getMessageAndQuantity("test", "test");

        //then
        assertThat(echoResponse.getQuantity()).isEqualTo(expectedQuantity);
    }


    protected void mockResponseWithCodeAndContent(int httpCode, String content) throws IOException {
        Response response = createResponseWithCodeAndJson(httpCode, content);
        when(client.execute(Matchers.anyObject())).thenReturn(response);
    }

    private Response createResponseWithCodeAndJson(int responseCode, String json) {
        return new Response(responseCode, "nothing", Collections.EMPTY_LIST, new TypedByteArray("application/json", json.getBytes()));
    }

另请阅读：Square retrofit server mock for testing

希望有所帮助

使用Mockito和Retrofit 2.0

1 个答案:

单元测试