[英]Unit testing, custom Call class for retrofit2 request: Reponse has private access
创建自定义Call类时,我无法返回Response,因为Response类是最终的。 有什么解决方法吗?
public class TestCall implements Call<PlacesResults> {
String fileType;
String getPlacesJson = "getplaces.json";
String getPlacesUpdatedJson = "getplaces_updated.json";
public TestCall(String fileType) {
this.fileType = fileType;
}
@Override
public Response execute() throws IOException {
String responseString;
InputStream is;
if (fileType.equals(getPlacesJson)) {
is = InstrumentationRegistry.getContext().getAssets().open(getPlacesJson);
} else {
is = InstrumentationRegistry.getContext().getAssets().open(getPlacesUpdatedJson);
}
PlacesResults placesResults= new Gson().fromJson(new InputStreamReader(is), PlacesResults.class);
//CAN"T DO IT
return new Response<PlacesResults>(null, placesResults, null);
}
@Override
public void enqueue(Callback callback) {
}
//default methods here
//....
}
在我的单元测试课中,我想像这样使用它:
Mockito.when(mockApi.getNearbyPlaces(eq("testkey"), Matchers.anyString(), Matchers.anyInt())).thenReturn(new TestCall("getplaces.json"));
GetPlacesAction action = new GetPlacesAction(getContext().getContentResolver(), mockEventBus, mockApi, "testkey");
action.downloadPlaces();
我的downloadPlaces()方法如下所示:
public void downloadPlaces() {
Call<PlacesResults> call = api.getNearbyPlaces(webApiKey, LocationLocator.getInstance().getLastLocation(), 500);
PlacesResults jsonResponse = null;
try {
Response<PlacesResults> response = call.execute();
Timber.d("response " + response);
jsonResponse = response.body();
if (jsonResponse == null) {
throw new IllegalStateException("Response is null");
}
} catch (UnknownHostException e) {
events.sendError(EventBus.ERROR_NO_CONNECTION);
} catch (Exception e) {
events.sendError(EventBus.ERROR_NO_PLACES);
return;
}
//TODO: some database operations
}
在更全面地研究了Retrofit2 Response类之后,我发现有一个静态方法可以满足我的需要。 因此,我只是更改了这一行:
return new Response<PlacesResults>(null, placesResults, null);
至:
return Response.success(placesResults);
现在一切正常。
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