我有一个 Gradle 应用程序,其项目结构类似于杰克·沃顿的 u2020 https://github.com/jakewharton/u2020:
/src
/androidTest
/debug
/main
/release
在我的应用程序类中,我构建了 Dagger 图表并注入它:
MyApplication extends Application {
...
public void buildObjectGraphAndInject() {
Object[] modules = Modules.list(this);
mApplicationGraph = ObjectGraph.create(modules);
mApplicationGraph.inject(this);
}
...
}
在调试源集中,我定义Modules.list()
as:
public final class Modules {
public static Object[] list(MyApplication app) {
return new Object[] {
new AppModule(app),
new DebugAppModule()
};
}
private Modules() {
// No instances.
}
}
在发布源集中,我定义了相同的内容,但减去了 DebugAppModule:
public final class Modules {
public static Object[] list(MyApplication app) {
return new Object[] {
new AppModule(app)
};
}
private Modules() {
// No instances.
}
}
在依赖关系图的更深处,我创建了一个 MockRestAdapter,可以在运行调试版本时使用:
@Module(
complete = false,
library = true,
overrides = true
)
public final class DebugApiModule {
@Provides @Singleton Endpoint provideEndpoint(@ApiEndpoint StringPreference apiEndpoint) {
return Endpoints.newFixedEndpoint(apiEndpoint.get());
}
@Provides @Singleton MockRestAdapter provideMockRestAdapter(RestAdapter restAdapter, SharedPreferences preferences) {
MockRestAdapter mockRestAdapter = MockRestAdapter.from(restAdapter);
AndroidMockValuePersistence.install(mockRestAdapter, preferences);
return mockRestAdapter;
}
@Provides @Singleton MyApi provideMyApi(RestAdapter restAdapter, MockRestAdapter mockRestAdapter,
@IsMockMode boolean isMockMode, MockMyApi mockService) {
if (isMockMode) {
return mockRestAdapter.create(MyApi.class, mockService);
}
return restAdapter.create(MyApi.class);
}
}
但是当我运行测试时,我想用如下所示的 TestApiModule 覆盖 DebugApiModule:
@Module(
complete = false,
library = true,
overrides = true
)
public final class TestApiModule {
@Provides @Singleton Endpoint provideEndpoint(@ApiEndpoint StringPreference apiEndpoint) {
return Endpoints.newFixedEndpoint(apiEndpoint.get());
}
@Provides @Singleton MockRestAdapter provideMockRestAdapter(RestAdapter restAdapter, SharedPreferences preferences) {
MockRestAdapter mockRestAdapter = MockRestAdapter.from(restAdapter);
mockRestAdapter.setDelay(0);
mockRestAdapter.setErrorPercentage(0);
mockRestAdapter.setVariancePercentage(0);
return mockRestAdapter;
}
@Provides @Singleton MyApi provideMyApi(MockRestAdapter mockRestAdapter, MockHnApi mockService) {
return mockRestAdapter.create(MyApi.class, mockService);
}
}
实现这一目标的最佳方法是什么?我需要创建一个TestAppModule
像这样:
public final class Modules {
public static Object[] list(MyApplication app) {
return new Object[] {
new AppModule(app),
new TestAppModule()
};
}
private Modules() {
// No instances.
}
}
并替换所有的DebugFooModule
with TestFooModules
?如果是这样,我该如何解决这个事实Modules.java
是重复的吗?还是我离基地太远了?
编辑:解决方案
我最终做的是在测试设置期间替换应用程序级图表(MockRestAdapter 的创建位置)
protected void setUp() throws Exception {
super.setUp();
HnApp app = HnApp.getInstance();
app.buildObjectGraphAndInject(TestModules.list(app));
getActivity();
}