Androidアプリを段階的に構築する、パート2

• はじめに
• ステップ1.シンプルなアーキテクチャ
• ステップ2.複雑なアーキテクチャ
• ステップ3.依存性注入
• ステップ4.ユニットテスト
• ステップ5.統合テスト
• ステップ6.機能テスト
• ステップ7. TDD
• ステップ8.次は何ですか？
• おわりに

 apply plugin: 'com.android.application' apply plugin: 'com.neenbedankt.android-apt' dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) compile 'com.android.support:appcompat-v7:21.0.3' compile 'com.google.dagger:dagger:2.0-SNAPSHOT' apt 'com.google.dagger:dagger-compiler:2.0-SNAPSHOT' provided 'org.glassfish:javax.annotation:10.0-b28' } 

 @Singleton @Component(modules = {ModelModule.class, PresenterModule.class, ViewModule.class}) public interface AppComponent { void inject(ModelImpl dataRepository); void inject(BasePresenter basePresenter); void inject(RepoListPresenter repoListPresenter); void inject(RepoInfoPresenter repoInfoPresenter); void inject(RepoInfoFragment repoInfoFragment); } 

 @Provides @Singleton ApiInterface provideApiInterface() { return ApiModule.getApiInterface(Const.BASE_URL); } @Provides @Singleton @Named(Const.UI_THREAD) Scheduler provideSchedulerUI() { return AndroidSchedulers.mainThread(); } @Provides @Singleton @Named(Const.IO_THREAD) Scheduler provideSchedulerIO() { return Schedulers.io(); } 

 public class PresenterModule { @Provides @Singleton Model provideDataRepository() { return new ModelImpl(); } @Provides CompositeSubscription provideCompositeSubscription() { return new CompositeSubscription(); } } 

 public class RepoBranchesMapper implements Func1<List<BranchDTO>, List<Branch>> { @Inject public RepoBranchesMapper() { } @Override public List<Branch> call(List<BranchDTO> branchDTOs) { List<Branch> branches = Observable.from(branchDTOs) .map(branchDTO -> new Branch(branchDTO.getName())) .toList() .toBlocking() .first(); return branches; } } 

 @Override public void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); DaggerViewComponent.builder() .viewDynamicModule(new ViewDynamicModule(this)) .build() .inject(this); } 

 @Singleton @Component(modules = {ViewDynamicModule.class}) public interface ViewComponent { void inject(RepoListFragment repoListFragment); } 

 @Module public class ViewDynamicModule { RepoListView view; public ViewDynamicModule(RepoListView view) { this.view = view; } @Provides RepoListPresenter provideRepoListPresenter() { return new RepoListPresenter(view); } } 

 @Inject RepoInfoPresenter presenter; @Override public void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); App.getComponent().inject(this); presenter.onCreate(this, getRepositoryVO()); } 

 @Module public class ViewModule { @Provides RepoInfoPresenter provideRepoInfoPresenter() { return new RepoInfoPresenter(); } } 

 apply plugin: 'jacoco' jacoco { toolVersion = "0.7.1.201405082137" } def coverageSourceDirs = [ '../app/src/main/java' ] task jacocoTestReport(type: JacocoReport, dependsOn: "testDebugUnitTest") { group = "Reporting" description = "Generate Jacoco coverage reports" classDirectories = fileTree( dir: '../app/build/intermediates/classes/debug', excludes: ['**/R.class', '**/R$*.class', '**/*$ViewInjector*.*', '**/*$ViewBinder*.*', //DI '**/*_MembersInjector*.*', //DI '**/*_Factory*.*', //DI '**/testrx/model/dto/*.*', //dto model '**/testrx/presenter/vo/*.*', //vo model '**/testrx/other/**', '**/BuildConfig.*', '**/Manifest*.*', '**/Lambda$*.class', '**/Lambda.class', '**/*Lambda.class', '**/*Lambda*.class'] ) additionalSourceDirs = files(coverageSourceDirs) sourceDirectories = files(coverageSourceDirs) executionData = files('../app/build/jacoco/testDebugUnitTest.exec') reports { xml.enabled = true html.enabled = true } } 

 @Module public class ModelTestModule { @Provides @Singleton ApiInterface provideApiInterface() { return mock(ApiInterface.class); } @Provides @Singleton @Named(Const.UI_THREAD) Scheduler provideSchedulerUI() { return Schedulers.immediate(); } @Provides @Singleton @Named(Const.IO_THREAD) Scheduler provideSchedulerIO() { return Schedulers.immediate(); } } 

 public class ApiInterfaceTest extends BaseTest { private MockWebServer server; private ApiInterface apiInterface; @Before public void setUp() throws Exception { super.setUp(); server = new MockWebServer(); server.start(); final Dispatcher dispatcher = new Dispatcher() { @Override public MockResponse dispatch(RecordedRequest request) throws InterruptedException { if (request.getPath().equals("/users/" + TestConst.TEST_OWNER + "/repos")) { return new MockResponse().setResponseCode(200) .setBody(testUtils.readString("json/repos")); } else if (request.getPath().equals("/repos/" + TestConst.TEST_OWNER + "/" + TestConst.TEST_REPO + "/branches")) { return new MockResponse().setResponseCode(200) .setBody(testUtils.readString("json/branches")); } else if (request.getPath().equals("/repos/" + TestConst.TEST_OWNER + "/" + TestConst.TEST_REPO + "/contributors")) { return new MockResponse().setResponseCode(200) .setBody(testUtils.readString("json/contributors")); } return new MockResponse().setResponseCode(404); } }; server.setDispatcher(dispatcher); HttpUrl baseUrl = server.url("/"); apiInterface = ApiModule.getApiInterface(baseUrl.toString()); } @Test public void testGetRepositories() throws Exception { TestSubscriber<List<RepositoryDTO>> testSubscriber = new TestSubscriber<>(); apiInterface.getRepositories(TestConst.TEST_OWNER).subscribe(testSubscriber); testSubscriber.assertNoErrors(); testSubscriber.assertValueCount(1); List<RepositoryDTO> actual = testSubscriber.getOnNextEvents().get(0); assertEquals(7, actual.size()); assertEquals("Android-Rate", actual.get(0).getName()); assertEquals("andrey7mel/Android-Rate", actual.get(0).getFullName()); assertEquals(26314692, actual.get(0).getId()); } @After public void tearDown() throws Exception { server.shutdown(); } } 

 @Test public void testGetRepoBranches() { BranchDTO[] branchDTOs = testUtils.getGson().fromJson(testUtils.readString("json/branches"), BranchDTO[].class); when(apiInterface.getBranches(TestConst.TEST_OWNER, TestConst.TEST_REPO)).thenReturn(Observable.just(Arrays.asList(branchDTOs))); TestSubscriber<List<BranchDTO>> testSubscriber = new TestSubscriber<>(); model.getRepoBranches(TestConst.TEST_OWNER, TestConst.TEST_REPO).subscribe(testSubscriber); testSubscriber.assertNoErrors(); testSubscriber.assertValueCount(1); List<BranchDTO> actual = testSubscriber.getOnNextEvents().get(0); assertEquals(3, actual.size()); assertEquals("QuickStart", actual.get(0).getName()); assertEquals("94870e23f1cfafe7201bf82985b61188f650b245", actual.get(0).getCommit().getSha()); } 

  @Before public void setUp() throws Exception { super.setUp(); component.inject(this); activityCallback = mock(ActivityCallback.class); mockView = mock(RepoListView.class); repoListPresenter = new RepoListPresenter(mockView, activityCallback); doAnswer(invocation -> Observable.just(repositoryDTOs)) .when(model) .getRepoList(TestConst.TEST_OWNER); doAnswer(invocation -> TestConst.TEST_OWNER) .when(mockView) .getUserName(); } @Test public void testLoadData() { repoListPresenter.onCreateView(null); repoListPresenter.onSearchButtonClick(); repoListPresenter.onStop(); verify(mockView).showRepoList(repoList); } @Test public void testSubscribe() { repoListPresenter = spy(new RepoListPresenter(mockView, activityCallback)); //for ArgumentCaptor repoListPresenter.onCreateView(null); repoListPresenter.onSearchButtonClick(); repoListPresenter.onStop(); ArgumentCaptor<Subscription> captor = ArgumentCaptor.forClass(Subscription.class); verify(repoListPresenter).addSubscription(captor.capture()); List<Subscription> subscriptions = captor.getAllValues(); assertEquals(1, subscriptions.size()); assertTrue(subscriptions.get(0).isUnsubscribed()); } 

 @Test public void testOnCreateViewWithBundle() { repoInfoFragment.onCreateView(LayoutInflater.from(activity), (ViewGroup) activity.findViewById(R.id.container), bundle); verify(repoInfoPresenter).onCreateView(bundle); } @Test public void testOnStop() { repoInfoFragment.onStop(); verify(repoInfoPresenter).onStop(); } @Test public void testOnSaveInstanceState() { repoInfoFragment.onSaveInstanceState(null); verify(repoInfoPresenter).onSaveInstanceState(null); }