MockRetrofit

http://rmp-quipper.connpass.com/event/31744/
MockWebServer and MockRetrofit

Transcript

1. . P D L 3 F U S P G J U .BTBZVLJ
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2. > Masayuki IZUMI a.k.a. @izumin5210 > Rekimoto Lab. at the Univ. of Tokyo > Strobo, Inc. / Wantedly, Inc. > Rubyist / Androider / {Java,Type}Scripter
3. T R V B S F  S F U S P G J U
   W   Y // Entity class public class User { public long id; public String name; public String screenName; public Date createdAt; public Date updatedAt; public String icon; public String email; }
4. T R V B S F  S F U S P G J U
   W   Y // API client interface public interface UsersApi { @GET("/v1/user") Single<User> get( @Query("access_token") String accessToken ); }
5. T R V B S F  S F U S P G J U
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   ( T P O Retrofit retrofit = new Retrofit.Builder() .baseUrl("https://api.esa.io/") // Uses Gson for response's deserialization .addCallAdapterFactory(RxJavaCallAdapterFactory.create()) // Allows to return rx.Observable/rx.Single from service methods .addConverterFactory(GsonConverterFactory.create(gson)) .build(); // Generates an implementation of the UsersApi interface UsersApi api = retrofit.create(UsersApi.class);
6. T R V B S F  S F U S P G J U
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   3 Y + B W B // Generates an implementation of the UsersApi interface api.get(accessToken) .subscribeOn(Schedulers.io()) .subscribe(user -> { // do something... })
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   Z P V S T F M G class MockUsersApi implements UsersApi { @Override Single<User> get(String accessToken) { User mockUser = new User(); // ... return mockUser; } } // write your test cases below...
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   . P D L J U P UsersApi mockUsersApi = mock(UsersApi.class); when(mockUsersApi.get(accessToken)).thenReturn(mockUser); // write your test cases below...
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    . P D L 8 F C 4 F S W F S D P N  T R V B S F V Q  P L I U U Q   N P D L X F C T F S W F S MockWebServer server = new MockWebServer(); // Read a mock json file from resources String mockBody = ""; server.enqueue(new MockResponse().setBody(mockBody)); // Start the server server.start();
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    . P D L 3 F U S P G J U D P N  T R V B S F V Q  S F U S P G J U   S F U S P G J U  N P D L Retrofit retrofit = new Retrofit.Builder() // snip. .build(); NetworkBehavior behavior = NetworkBehavior.create() // if you need MockRetrofit mockRetrofit = new MockRetrofit.Build(retrofit) .networkBehavior(behavior) // if you need .build(); UsersApi usersApi = MockUsersApi(mockRetrofit.create(UsersApi.class))
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    . P D L 3 F U S P G J U D P N  T R V B S F V Q  S F U S P G J U   S F U S P G J U  N P D L Retrofit retrofit = new Retrofit.Builder() // snip. .build(); NetworkBehavior behavior = NetworkBehavior.create() // if you need MockRetrofit mockRetrofit = new MockRetrofit.Build(retrofit) .networkBehavior(behavior) // if you need .build(); UsersApi usersApi = MockUsersApi(mockRetrofit.create(UsersApi.class))
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    . P D L 3 F U S P G J U D P N  T R V B S F V Q  S F U S P G J U   S F U S P G J U  N P D L Retrofit retrofit = new Retrofit.Builder() // snip. .build(); NetworkBehavior behavior = NetworkBehavior.create() // if you need MockRetrofit mockRetrofit = new MockRetrofit.Build(retrofit) .networkBehavior(behavior) // if you need .build(); UsersApi usersApi = MockUsersApi(mockRetrofit.create(UsersApi.class))
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    . P D L 3 F U S P G J U D P N  T R V B S F V Q  S F U S P G J U   S F U S P G J U  N P D L Retrofit retrofit = new Retrofit.Builder() // snip. .build(); NetworkBehavior behavior = NetworkBehavior.create() // if you need MockRetrofit mockRetrofit = new MockRetrofit.Build(retrofit) .networkBehavior(behavior) // if you need .build(); UsersApi usersApi = MockUsersApi(mockRetrofit.create(UsersApi.class))
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    S F U S P G J U   N P D L 
    # F I B W J P S % F M F H B U F class MockUsersApi implements UsersApi { private final BehaviorDelegate<UsersApi> delegate; // snip the constructor @Override Single<User> get(String accessToken) { User mockUser = new User(); // ... return delegate.returning(Calls.response(mockUser)).fetch(accessToken); } }
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    S F U S P G J U   N P D L 
    # F I B W J P S % F M F H B U F class MockUsersApi implements UsersApi { private final BehaviorDelegate<UsersApi> delegate; // snip the constructor @Override Single<User> get(String accessToken) { User mockUser = new User(); // ... return delegate.returning(Calls.response(mockUser)).fetch(accessToken); } }
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    S F U S P G J U   N P D L 
    # F I B W J P S % F M F H B U F class MockUsersApi implements UsersApi { private final BehaviorDelegate<UsersApi> delegate; // snip the constructor @Override Single<User> get(String accessToken) { User mockUser = new User(); // ... return delegate.returning(Calls.response(mockUser)).fetch(accessToken); } } Call<T> response(T) Call<T> response(Response<T>) Call<T> failure(IOException)
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    S F U S P G J U   N P D L 
    / F U X P S L # F I B W J P S Retrofit retrofit = new Retrofit.Builder() // snip. .build(); NetworkBehavior behavior = NetworkBehavior.create() // if you need MockRetrofit mockRetrofit = new MockRetrofit.Build(retrofit) .networkBehavior(behavior) // if you need .build(); UsersApi usersApi = MockUsersApi(mockRetrofit.create(UsersApi.class))
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    S F U S P G J U   N P D L 
    / F U X P S L # F I B W J P S NetworkBehavior behavior = NetworkBehavior.create(); // DEFAULT: 2000 ms behavior.setDelay(500, TimeUnit.MILLISECONDS); // DEFAULT: 3 % behavior.setFailurePercent(50); // DEFAULT: 40 % behavior.setVariancePercent(50);
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22. . P D L 3 F U S P G J U T B N Q M F
    D P E F  I U U Q T    H J U I V C  D P N  J [ V N J O      4 V O B [ V S J B Q Q  T S D  U F T U  L P U M J O  J O G P  J [ V N J O  B O E S P J E  T V O B [ V S J  J O G S B T U S V D U V S F  S F Q P T J U P S Z  T P V S D F  U F B N  5 F B N 3 F N P U F % B U B 4 P V S D F 5 F T U  L U .BTBZVLJ
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