chore: write test for survey completed screen (#30)

lib/modules/survey_completed/components/content.dart

@@ -17,6 +17,7 @@ class Content extends StatelessWidget {
             children: [
               Lottie.asset(
                 Assets.animations.surveyCompleted,
+                key: SurveyCompletedView.lottieKey,
                 repeat: false,
                 controller: state._animationController,
                 onLoaded: (composition) {

lib/modules/survey_completed/survey_completed_view.dart

@@ -9,6 +9,8 @@ abstract class SurveyCompletedViewDelegate {
 }
 
 abstract class SurveyCompletedView extends View<SurveyCompletedViewDelegate> {
+  static const lottieKey = Key("survey_completed_view_lottie");
+
   void setOutro(SurveyQuestionInfo outro);
 
   void beginAnimation();

test/modules/survey_completed/survey_completed_interactor_test.dart

@@ -0,0 +1,32 @@
+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/survey_question_info.dart';
+import 'package:survey/modules/survey_completed/survey_completed_module.dart';
+import 'package:survey/services/locator/locator_service.dart';
+import '../../helpers/behavior_subject_generator.dart';
+import 'survey_completed_interactor_test.mocks.dart';
+
+@GenerateMocks([SurveyCompletedInteractorDelegate])
+void main() {
+  describe("a SurveyCompleted interactor", () {
+    late SurveyCompletedInteractor interactor;
+    late MockSurveyCompletedInteractorDelegate delegate;
+    late BehaviorSubjectGenerator generator;
+    final outro = SurveyQuestionInfo();
+    beforeEach(() {
+      generator = BehaviorSubjectGenerator();
+
+      delegate = MockSurveyCompletedInteractorDelegate();
+
+      interactor = SurveyCompletedInteractorImpl();
+      interactor.arguments = SurveyCompletedArguments(outro: outro);
+      interactor.delegate = delegate;
+    });
+
+    it("returns correct outro", () {
+      expect(interactor.outro, outro);
+    });
+  });
+}

test/modules/survey_completed/survey_completed_interactor_test.mocks.dart

@@ -0,0 +1,24 @@
+// Mocks generated by Mockito 5.0.7 from annotations
+// in survey/test/modules/survey_completed/survey_completed_interactor_test.dart.
+// Do not manually edit this file.
+
+import 'package:mockito/mockito.dart' as _i1;
+import 'package:survey/modules/survey_completed/survey_completed_module.dart'
+    as _i2;
+
+// ignore_for_file: comment_references
+// ignore_for_file: unnecessary_parenthesis
+
+// ignore_for_file: prefer_const_constructors
+
+// ignore_for_file: avoid_redundant_argument_values
+
+/// A class which mocks [SurveyCompletedInteractorDelegate].
+///
+/// See the documentation for Mockito's code generation for more information.
+class MockSurveyCompletedInteractorDelegate extends _i1.Mock
+    implements _i2.SurveyCompletedInteractorDelegate {
+  MockSurveyCompletedInteractorDelegate() {
+    _i1.throwOnMissingStub(this);
+  }
+}

test/modules/survey_completed/survey_completed_module_test.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/widgets.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:quick_test/quick_test.dart';
+import 'package:survey/modules/survey_completed/survey_completed_module.dart';
+
+import '../../mocks/build_context.dart';
+
+void main() {
+  describe("a SurveyCompleted module", () {
+    late SurveyCompletedModule module;
+    beforeEach(() {
+      module = SurveyCompletedModule();
+    });
+
+    describe("it's build is called", () {
+      late Widget widget;
+
+      beforeEach(() {
+        widget = module.build(MockBuildContext());
+      });
+
+      it("returns SurveyCompletedViewImpl", () {
+        expect(widget, isA<SurveyCompletedViewImpl>());
+      });
+    });
+  });
+}

test/modules/survey_completed/survey_completed_presenter_test.dart

@@ -0,0 +1,67 @@
+import 'package:mockito/annotations.dart';
+import 'package:mockito/mockito.dart';
+import 'package:quick_test/quick_test.dart';
+import 'package:survey/models/survey_question_info.dart';
+import 'package:survey/modules/survey_completed/survey_completed_module.dart';
+
+import '../../mocks/build_context.dart';
+import 'survey_completed_presenter_test.mocks.dart';
+
+@GenerateMocks(
+    [SurveyCompletedView, SurveyCompletedRouter, SurveyCompletedInteractor])
+void main() {
+  describe("a SurveyCompleted presenter", () {
+    late SurveyCompletedPresenterImpl presenter;
+    late MockSurveyCompletedView view;
+    late MockSurveyCompletedRouter router;
+    late MockSurveyCompletedInteractor interactor;
+    late MockBuildContext buildContext;
+    final outro = SurveyQuestionInfo();
+
+    beforeEach(() {
+      buildContext = MockBuildContext();
+
+      view = MockSurveyCompletedView();
+      when(view.context).thenReturn(buildContext);
+
+      router = MockSurveyCompletedRouter();
+
+      interactor = MockSurveyCompletedInteractor();
+      when(interactor.outro).thenReturn(outro);
+
+      presenter = SurveyCompletedPresenterImpl();
+      presenter.configure(view: view, interactor: interactor, router: router);
+    });
+
+    describe("it's stateDidInit emits", () {
+      beforeEach(() {
+        presenter.stateDidInit.add(null);
+      });
+
+      it("triggers view to set outro", () {
+        verify(view.setOutro(outro)).called(1);
+      });
+
+      describe("it's animationDidLoad emits", () {
+        beforeEach(() {
+          presenter.animationDidLoad.add(null);
+        });
+
+        it("triggers view to begin animation", () {
+          verify(view.beginAnimation()).called(1);
+        });
+      });
+    });
+
+    describe("it's animationDidFinish emits", () {
+      beforeEach(() async {
+        presenter.animationDidFinish.add(null);
+        await untilCalled(router.popBack(buildContext));
+      });
+
+      it("triggers view to set outro", () {
+        verify(router.popBack(buildContext)).called(1);
+      });
+    });
+  });
+}

test/modules/survey_completed/survey_completed_presenter_test.mocks.dart

@@ -0,0 +1,86 @@
+// Mocks generated by Mockito 5.0.7 from annotations
+// in survey/test/modules/survey_completed/survey_completed_presenter_test.dart.
+// Do not manually edit this file.
+
+import 'package:flutter/src/widgets/framework.dart' as _i2;
+import 'package:mockito/mockito.dart' as _i1;
+import 'package:survey/models/survey_question_info.dart' as _i3;
+import 'package:survey/modules/survey_completed/survey_completed_module.dart'
+    as _i4;
+
+// ignore_for_file: comment_references
+// ignore_for_file: unnecessary_parenthesis
+
+// ignore_for_file: prefer_const_constructors
+
+// ignore_for_file: avoid_redundant_argument_values
+
+class _FakeBuildContext extends _i1.Fake implements _i2.BuildContext {}
+
+class _FakeSurveyQuestionInfo extends _i1.Fake
+    implements _i3.SurveyQuestionInfo {}
+
+/// A class which mocks [SurveyCompletedView].
+///
+/// See the documentation for Mockito's code generation for more information.
+class MockSurveyCompletedView extends _i1.Mock
+    implements _i4.SurveyCompletedView {
+  MockSurveyCompletedView() {
+    _i1.throwOnMissingStub(this);
+  }
+
+  @override
+  set delegate(_i4.SurveyCompletedViewDelegate? _delegate) =>
+      super.noSuchMethod(Invocation.setter(#delegate, _delegate),
+          returnValueForMissingStub: null);
+  @override
+  _i2.BuildContext get context =>
+      (super.noSuchMethod(Invocation.getter(#context),
+          returnValue: _FakeBuildContext()) as _i2.BuildContext);
+  @override
+  void setOutro(_i3.SurveyQuestionInfo? outro) =>
+      super.noSuchMethod(Invocation.method(#setOutro, [outro]),
+          returnValueForMissingStub: null);
+  @override
+  void beginAnimation() =>
+      super.noSuchMethod(Invocation.method(#beginAnimation, []),
+          returnValueForMissingStub: null);
+}
+
+/// A class which mocks [SurveyCompletedRouter].
+///
+/// See the documentation for Mockito's code generation for more information.
+class MockSurveyCompletedRouter extends _i1.Mock
+    implements _i4.SurveyCompletedRouter {
+  MockSurveyCompletedRouter() {
+    _i1.throwOnMissingStub(this);
+  }
+
+  @override
+  void popBack(_i2.BuildContext? context) =>
+      super.noSuchMethod(Invocation.method(#popBack, [context]),
+          returnValueForMissingStub: null);
+}
+
+/// A class which mocks [SurveyCompletedInteractor].
+///
+/// See the documentation for Mockito's code generation for more information.
+class MockSurveyCompletedInteractor extends _i1.Mock
+    implements _i4.SurveyCompletedInteractor {
+  MockSurveyCompletedInteractor() {
+    _i1.throwOnMissingStub(this);
+  }
+
+  @override
+  _i3.SurveyQuestionInfo get outro =>
+      (super.noSuchMethod(Invocation.getter(#outro),
+          returnValue: _FakeSurveyQuestionInfo()) as _i3.SurveyQuestionInfo);
+  @override
+  set arguments(_i4.SurveyCompletedArguments? _arguments) =>
+      super.noSuchMethod(Invocation.setter(#arguments, _arguments),
+          returnValueForMissingStub: null);
+  @override
+  set delegate(_i4.SurveyCompletedInteractorDelegate? _delegate) =>
+      super.noSuchMethod(Invocation.setter(#delegate, _delegate),
+          returnValueForMissingStub: null);
+}

test/modules/survey_completed/survey_completed_router_test.dart

@@ -0,0 +1,36 @@
+import 'package:flutter/widgets.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mockito/mockito.dart';
+import 'package:quick_test/quick_test.dart';
+import 'package:survey/modules/survey_completed/survey_completed_module.dart';
+
+import '../../mocks/build_context.dart';
+import '../../mocks/navigator_state.dart';
+
+void main() {
+  describe("a SurveyCompleted router", () {
+    late SurveyCompletedRouter router;
+    late MockBuildContext buildContext;
+    late MockNavigatorState navigatorState;
+
+    beforeEach(() {
+      buildContext = MockBuildContext();
+      navigatorState = MockNavigatorState();
+
+      router = SurveyCompletedRouterImpl();
+    });
+
+    describe("it's popBack() is called", () {
+      beforeEach(() {
+        when(buildContext.findAncestorStateOfType<NavigatorState>())
+            .thenReturn(navigatorState);
+        when(navigatorState.pop()).thenAnswer((_) => Future.value());
+        router.popBack(buildContext);
+      });
+
+      it("triggers navigator to pop back", () {
+        verify(navigatorState.pop()).called(1);
+      });
+    });
+  });
+}

test/modules/survey_completed/survey_completed_view_test.dart

@@ -0,0 +1,77 @@
+import 'dart:io';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:lottie/lottie.dart';
+import 'package:mockito/annotations.dart';
+import 'package:quick_test/quick_widget_test.dart';
+import 'package:survey/models/survey_question_info.dart';
+import 'package:survey/models/user_info.dart';
+import 'package:survey/core/viper/module.dart';
+import 'package:mockito/mockito.dart';
+import 'package:survey/modules/survey_completed/survey_completed_module.dart';
+import '../../fakers/fake_module.dart';
+import '../../helpers/behavior_subject_generator.dart';
+import '../../helpers/extensions/widget_tester.dart';
+import 'survey_completed_view_test.mocks.dart';
+
+@GenerateMocks([SurveyCompletedViewDelegate])
+void main() {
+  describe("a SurveyCompleted view", () {
+    late FakeModule<SurveyCompletedView, SurveyCompletedViewDelegate> module;
+    late MockSurveyCompletedViewDelegate delegate;
+    late BehaviorSubjectGenerator generator;
+    final outro = SurveyQuestionInfo();
+    outro.content = "thank you";
+
+    beforeEach((tester) async {
+      generator = BehaviorSubjectGenerator();
+      delegate = MockSurveyCompletedViewDelegate();
+      when(delegate.animationDidLoad)
+          .thenAnswer((realInvocation) => generator.make(0));
+      when(delegate.animationDidFinish)
+          .thenAnswer((realInvocation) => generator.make(1));
+      when(delegate.stateDidInit)
+          .thenAnswer((realInvocation) => generator.make(2));
+
+      module = FakeModule(
+        builder: () => const SurveyCompletedViewImpl(),
+        delegate: delegate,
+      );
+      ViewState.overriddenModule = module;
+      await tester.pumpModule(module);
+      await tester.pumpAndSettle();
+    });
+
+    describe("it's setOutro() is called", () {
+      beforeEach((tester) async {
+        module.view.setOutro(outro);
+        await tester.pumpAndSettle();
+      });
+
+      it("displays correct outro text", (tester) async {
+        expect(find.text(outro.content!), findsOneWidget);
+      });
+    });
+
+    describe("it's beginAnimation() is called", () {
+      beforeEach((tester) async {
+        await delegate.animationDidLoad.first;
+        module.view.beginAnimation();
+        await tester.pumpAndSettle();
+      });
+
+      it("trigger lottie begin animation", (tester) async {
+        final widget = tester
+            .widget<LottieBuilder>(find.byKey(SurveyCompletedView.lottieKey));
+        expect(widget.controller!.status, AnimationStatus.completed);
+      });
+
+      it("trigger delegate's emits", (tester) async {
+        expect(delegate.animationDidFinish, emits(null));
+      });
+    });
+  });
+}