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我正在学习编写测试。 我写了我的第一个测试,并从RxJava 2 + Retrofit中得到了错误。使用RxJava进行Android测试2
上线java.lang.ExceptionInInitializerError.subscribeOn(Schedulers.io())
代码:
public void search(String query) {
getViewState().showProgress();
disposable.add(dataManager
.searchMovies(query)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(
response -> {
getViewState().hideProgress();
if(response.isSuccessful()) {
getViewState().showSearchResults(response.body());
} else {
getViewState().showToast("Error " + response.code());
}
}, e -> {
getViewState().showToast(e.getMessage());
getViewState().hideProgress();
}
));
}
我的测试:
public class SearchPresenterTest {
@Rule
public TestComponentRule testComponentRule = new TestComponentRule();
SearchPresenter searchPresenter;
@Mock ISearchView$$State searchView$$State;
@Mock DataManager dataManager;
@Before
public void init() {
MockitoAnnotations.initMocks(this);
RxJavaPlugins.reset();
RxJavaPlugins.setInitIoSchedulerHandler(schedulerCallable -> Schedulers.trampoline());
RxAndroidPlugins.reset();
RxAndroidPlugins.setInitMainThreadSchedulerHandler(schedulerCallable -> Schedulers.trampoline());
RxJavaPlugins.setIoSchedulerHandler(scheduler -> Schedulers.trampoline());
RxAndroidPlugins.setMainThreadSchedulerHandler(schedulerCallable -> Schedulers.trampoline());
searchPresenter = new SearchPresenter();
searchPresenter.setViewState(searchView$$State);
}
@Test
public void searchTest() {
MovieList movieList = new MovieList();
Response response = Response.success(new MovieList());
Observable<Response<MovieList>> obs = Observable.just(response);
when(dataManager.searchMovies(anyString())).thenReturn(obs);
searchPresenter.search(searchRequest());
verify(searchView$$State).showProgress();
verify(searchView$$State).hideProgress();
verify(searchView$$State).showSearchResults(movieList);
}
private String searchRequest() {
return "pirates";
}
}
我试图用RxJavaPlugins.setIoSchedulerHandler(解决它)和@Before中的其他方法,但它没有帮助。
创建一ExceptionInInitializerError意味着静态初始化代码抛出异常。当JVM加载类时,类中的静态初始化代码将运行,因此它看起来像Schedulers类包含一个失败的静态初始化代码块。或者它可能是一个在Schedulers.io()调用中引用的类(包含静态初始化)。如果Schedulers类在其静态初始化期间需要任何环境或配置依赖项,则测试运行时不能提供这些依赖项。开始看那里... –