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chore: write tests for survey detail screen
1 parent e1eab66 commit 6bcc307

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-519
lines changed

‎coverage/lcov.info

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‎lib/modules/survey_detail/components/content.dart

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@@ -21,6 +21,7 @@ class Content extends StatelessWidget {
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StreamsSelector0<SurveyInfo>.value(
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stream: state._survey,
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builder: (_, survey, __) => Image(
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key: SurveyDetailView.backgroundImageKey,
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image: NetworkImage(survey.coverImageUrl!),
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fit: BoxFit.fill,
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),
@@ -67,6 +68,7 @@ class Content extends StatelessWidget {
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minWidth: 140,
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),
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child: Button(
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key: SurveyDetailView.startSurveyButtonKey,
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onPressed: () => state
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.delegate?.startSurveyButtonDidTap
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.add(null),

‎lib/modules/survey_detail/survey_detail_view.dart

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@@ -8,6 +8,9 @@ abstract class SurveyDetailViewDelegate implements AlertViewMixinDelegate {
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abstract class SurveyDetailView extends View<SurveyDetailViewDelegate>
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with ProgressHUDViewMixin, AlertViewMixin {
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static const backgroundImageKey = Key("background_image_");
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static const startSurveyButtonKey = Key("start_survey_button");
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void setSurvey(SurveyInfo survey);
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}
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‎test/modules/survey_detail/survey_detail_interactor_test.dart

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

‎test/modules/survey_detail/survey_detail_interactor_test.mocks.dart

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// Mocks generated by Mockito 5.0.7 from annotations
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// in survey/test/modules/survey_detail/survey_detail_interactor_test.dart.
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// Do not manually edit this file.
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import 'dart:async' as _i6;
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import 'package:mockito/mockito.dart' as _i1;
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import 'package:rxdart/src/subjects/behavior_subject.dart' as _i2;
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import 'package:survey/models/detailed_survey_info.dart' as _i3;
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import 'package:survey/models/survey_info.dart' as _i7;
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import 'package:survey/modules/survey_detail/survey_detail_module.dart' as _i4;
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import 'package:survey/repositories/survey_repository.dart' as _i5;
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// ignore_for_file: comment_references
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// ignore_for_file: unnecessary_parenthesis
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// ignore_for_file: prefer_const_constructors
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// ignore_for_file: avoid_redundant_argument_values
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class _FakeBehaviorSubject<T> extends _i1.Fake
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implements _i2.BehaviorSubject<T> {}
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class _FakeDetailedSurveyInfo extends _i1.Fake
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implements _i3.DetailedSurveyInfo {}
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/// A class which mocks [SurveyDetailInteractorDelegate].
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///
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/// See the documentation for Mockito's code generation for more information.
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class MockSurveyDetailInteractorDelegate extends _i1.Mock
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implements _i4.SurveyDetailInteractorDelegate {
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MockSurveyDetailInteractorDelegate() {
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_i1.throwOnMissingStub(this);
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}
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@override
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_i2.BehaviorSubject<_i3.DetailedSurveyInfo> get detailedSurveyDidFetch =>
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(super.noSuchMethod(Invocation.getter(#detailedSurveyDidFetch),
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returnValue: _FakeBehaviorSubject<_i3.DetailedSurveyInfo>())
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as _i2.BehaviorSubject<_i3.DetailedSurveyInfo>);
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@override
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_i2.BehaviorSubject<Exception> get detailedSurveyDidFailToFetch =>
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(super.noSuchMethod(Invocation.getter(#detailedSurveyDidFailToFetch),
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returnValue: _FakeBehaviorSubject<Exception>())
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as _i2.BehaviorSubject<Exception>);
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}
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/// A class which mocks [SurveyRepository].
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///
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/// See the documentation for Mockito's code generation for more information.
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class MockSurveyRepository extends _i1.Mock implements _i5.SurveyRepository {
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MockSurveyRepository() {
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_i1.throwOnMissingStub(this);
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}
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@override
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_i6.Future<bool> get isSurveysCached =>
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(super.noSuchMethod(Invocation.getter(#isSurveysCached),
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returnValue: Future<bool>.value(false)) as _i6.Future<bool>);
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@override
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_i6.Future<List<_i7.SurveyInfo>> fetchSurveys({bool? force}) =>
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(super.noSuchMethod(Invocation.method(#fetchSurveys, [], {#force: force}),
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returnValue:
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Future<List<_i7.SurveyInfo>>.value(<_i7.SurveyInfo>[]))
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as _i6.Future<List<_i7.SurveyInfo>>);
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@override
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_i6.Future<_i3.DetailedSurveyInfo> fetchDetailedSurvey(String? id) =>
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(super.noSuchMethod(Invocation.method(#fetchDetailedSurvey, [id]),
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returnValue: Future<_i3.DetailedSurveyInfo>.value(
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_FakeDetailedSurveyInfo()))
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as _i6.Future<_i3.DetailedSurveyInfo>);
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}

‎test/modules/survey_detail/survey_detail_module_test.dart

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import 'package:flutter/widgets.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:quick_test/quick_test.dart';
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import 'package:survey/modules/survey_detail/survey_detail_module.dart';
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import '../../mocks/build_context.dart';
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void main() {
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describe("a SurveyDetail module", () {
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late SurveyDetailModule module;
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beforeEach(() {
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module = SurveyDetailModule();
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});
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describe("its build is called", () {
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late Widget widget;
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beforeEach(() {
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widget = module.build(MockBuildContext());
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});
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it("returns SurveyDetailViewImpl", () {
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expect(widget, isA<SurveyDetailViewImpl>());
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});
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});
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});
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}

‎test/modules/survey_detail/survey_detail_presenter_test.dart

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import 'package:mockito/annotations.dart';
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import 'package:mockito/mockito.dart';
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import 'package:quick_test/quick_test.dart';
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import 'package:survey/models/detailed_survey_info.dart';
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import 'package:survey/models/survey_info.dart';
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import 'package:survey/modules/survey_detail/survey_detail_module.dart';
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import '../../mocks/build_context.dart';
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import 'survey_detail_presenter_test.mocks.dart';
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@GenerateMocks([SurveyDetailView, SurveyDetailRouter, SurveyDetailInteractor])
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void main() {
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describe("a SurveyDetail presenter", () {
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late SurveyDetailPresenterImpl presenter;
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late MockSurveyDetailView view;
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late MockSurveyDetailRouter router;
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late MockSurveyDetailInteractor interactor;
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late MockBuildContext buildContext;
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final survey = SurveyInfo();
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beforeEach(() {
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buildContext = MockBuildContext();
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view = MockSurveyDetailView();
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when(view.context).thenReturn(buildContext);
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router = MockSurveyDetailRouter();
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interactor = MockSurveyDetailInteractor();
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when(interactor.survey).thenReturn(survey);
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presenter = SurveyDetailPresenterImpl();
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presenter.configure(view: view, interactor: interactor, router: router);
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});
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describe("its detailedSurveyDidFailToFetch to emit", () {
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final exception = Exception();
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beforeEach(() {
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presenter.detailedSurveyDidFailToFetch.add(exception);
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});
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it("triggers view to dismiss progress hud and alert error", () {
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verify(view.dismissProgressHUD()).called(1);
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verify(view.alert(exception)).called(1);
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});
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});
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describe("its detailedSurveyDidFetch emits", () {
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final survey = DetailedSurveyInfo();
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beforeEach(() {
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presenter.detailedSurveyDidFetch.add(survey);
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});
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it("triggers view to dismiss progress hud", () {
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verify(view.dismissProgressHUD()).called(1);
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});
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it("triggers router to push to Survey Questions screen", () {
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verify(
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router.pushToSurveyQuestionsScreen(buildContext, survey: survey));
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});
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});
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describe("its stateDidInit emits", () {
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beforeEach(() {
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presenter.stateDidInit.add(null);
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});
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it("triggers view to set survey", () {
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verify(view.setSurvey(survey)).called(1);
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});
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});
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describe("its startSurveyButtonDidTap emits", () {
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beforeEach(() {
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presenter.startSurveyButtonDidTap.add(null);
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});
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it("triggers view to dismiss progress hud", () {
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verify(view.showProgressHUD()).called(1);
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});
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it("triggers interactor to fetch detailed survey", () {
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verify(interactor.fetchDetailedSurvey()).called(1);
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});
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});
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});
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}

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