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chore: write tests for survey detail screen
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test/modules/survey_detail/survey_detail_interactor_test.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| import 'package:flutter_test/flutter_test.dart'; | ||
| import 'package:mockito/annotations.dart'; | ||
| import 'package:mockito/mockito.dart'; | ||
| import 'package:quick_test/quick_test.dart'; | ||
| import 'package:survey/models/detailed_survey_info.dart'; | ||
| import 'package:survey/models/survey_info.dart'; | ||
| import 'package:survey/modules/survey_detail/survey_detail_module.dart'; | ||
| import 'package:survey/repositories/survey_repository.dart'; | ||
| import 'package:survey/services/locator/locator_service.dart'; | ||
| import '../../helpers/behavior_subject_generator.dart'; | ||
| import 'survey_detail_interactor_test.mocks.dart'; | ||
|
|
||
| @GenerateMocks([SurveyDetailInteractorDelegate, SurveyRepository]) | ||
| void main() { | ||
| describe("a SurveyDetail interactor", () { | ||
| late SurveyDetailInteractor interactor; | ||
| late MockSurveyDetailInteractorDelegate delegate; | ||
| late BehaviorSubjectGenerator generator; | ||
| late MockSurveyRepository surveyRepository; | ||
|
|
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| final survey = SurveyInfo(); | ||
| survey.id = "id"; | ||
|
|
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| beforeEach(() { | ||
| generator = BehaviorSubjectGenerator(); | ||
|
|
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| surveyRepository = MockSurveyRepository(); | ||
| locator.registerSingleton<SurveyRepository>(surveyRepository); | ||
|
|
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| delegate = MockSurveyDetailInteractorDelegate(); | ||
| when(delegate.detailedSurveyDidFetch) | ||
| .thenAnswer((realInvocation) => generator.make(0)); | ||
| when(delegate.detailedSurveyDidFailToFetch) | ||
| .thenAnswer((realInvocation) => generator.make(1)); | ||
|
|
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| interactor = SurveyDetailInteractorImpl(); | ||
| interactor.delegate = delegate; | ||
| interactor.arguments = SurveyDetailArguments(survey: survey); | ||
| }); | ||
|
|
||
| describe("it's survey is got", () { | ||
| it("returns correct survey", () { | ||
| expect(interactor.survey, survey); | ||
| }); | ||
| }); | ||
|
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| describe("it's fetchDetailedSurvey() is called", () { | ||
| context("when survey repository's fetchDetailedSurvey() return success", | ||
| () { | ||
| final detailedSurvey = DetailedSurveyInfo(); | ||
| beforeEach(() { | ||
| when(surveyRepository.fetchDetailedSurvey(any)) | ||
| .thenAnswer((realInvocation) => Future.value(detailedSurvey)); | ||
| interactor.fetchDetailedSurvey(); | ||
| }); | ||
|
|
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| it("triggers delegate's detailedSurveyDidFetch emits", () { | ||
| expect(delegate.detailedSurveyDidFetch, emits(detailedSurvey)); | ||
| }); | ||
| }); | ||
|
|
||
| context("when survey repository's fetchDetailedSurvey() return failure", | ||
| () { | ||
| final exception = Exception(); | ||
| beforeEach(() { | ||
| when(surveyRepository.fetchDetailedSurvey(any)) | ||
| .thenAnswer((realInvocation) => Future.error(exception)); | ||
| interactor.fetchDetailedSurvey(); | ||
| }); | ||
|
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||
| it("triggers delegate's detailedSurveyDidFailToFetch emits", () { | ||
| expect(delegate.detailedSurveyDidFailToFetch, emits(exception)); | ||
| }); | ||
| }); | ||
| }); | ||
| }); | ||
| } |
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