written test for post_modal.dart

lib/widgets/post_modal.dart

@@ -44,6 +44,7 @@ class PostBottomModal extends StatelessWidget {
                 ),
               ),
               TextButton(
+                key: const Key('reportPost'),
                 onPressed: () {
                   navigationService.showTalawaErrorSnackBar(
                     'Your Report has been sent to the Admin',
@@ -74,6 +75,7 @@ class PostBottomModal extends StatelessWidget {
                 ),
               ),
               TextButton(
+                key: const Key('deletePost'),
                 onPressed: () {
                   deletePost != null
                       ? deletePost!(post)
@@ -89,6 +91,7 @@ class PostBottomModal extends StatelessWidget {
                         ),
                         actions: <Widget>[
                           TextButton(
+                            key: const Key('alert_dialog_yes_btn'),
                             onPressed: () {
                               navigationService.showTalawaErrorSnackBar(
                                 'Post was deleted if you had the rights!',
@@ -99,6 +102,7 @@ class PostBottomModal extends StatelessWidget {
                             child: const Text("Yes"),
                           ),
                           TextButton(
+                            key: const Key('alert_dialog_no_btn'),
                             onPressed: () {
                               Navigator.pop(context);
                             },

pubspec.lock

@@ -1843,4 +1843,4 @@ packages:
     version: "3.1.2"
 sdks:
   dart: ">=3.2.0 <3.13.0"
-  flutter: ">=3.16.0"
+  flutter: ">=3.16.0"

test/widget_tests/widgets/post_modal_test.dart

@@ -0,0 +1,202 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mockito/mockito.dart';
+import 'package:talawa/enums/enums.dart';
+import 'package:talawa/models/comment/comment_model.dart';
+import 'package:talawa/models/organization/org_info.dart';
+import 'package:talawa/models/post/post_model.dart';
+import 'package:talawa/models/user/user_info.dart';
+import 'package:talawa/services/navigation_service.dart';
+import 'package:talawa/services/size_config.dart';
+import 'package:talawa/utils/app_localization.dart';
+import 'package:talawa/view_model/lang_view_model.dart';
+import 'package:talawa/views/base_view.dart';
+import 'package:talawa/widgets/post_modal.dart';
+
+import '../../helpers/test_helpers.dart';
+import '../../helpers/test_locator.dart';
+
+//Mock classes
+class MockFunction extends Mock {
+  void call(Post post);
+}
+
+class MockNavigationService extends Mock implements NavigationService {}
+
+//test data
+final MockFunction mockDeletePost = MockFunction();
+final LikedBy user = LikedBy(sId: "test_id");
+
+//fake user data
+final u1 = User(
+  id: '123',
+  firstName: 'Lakshay',
+  lastName: 'Gupta',
+  email: '[email protected]',
+);
+final u2 = User(
+  id: '123',
+  firstName: 'Ankit',
+  lastName: 'Varshney',
+  email: '[email protected]',
+);
+final List<User> users = [u1, u2];
+
+List<Comments> comments = [
+  Comments(sId: 'comment1'),
+  Comments(sId: 'comment2'),
+  Comments(sId: 'comment3'),
+  Comments(sId: 'comment4'),
+  Comments(sId: 'comment5'),
+  Comments(sId: 'comment6'),
+];
+
+//fake comment data
+final comment = Comment(
+  creator: User(
+    id: '123',
+    firstName: 'Ankit',
+    lastName: 'Varshney',
+    email: '[email protected]',
+  ),
+  createdAt: '123456',
+  text: 'test text',
+  post: 'test post',
+  likeCount: 'test count',
+);
+
+final LikedBy l1 = LikedBy(sId: 'test1');
+final LikedBy l2 = LikedBy(sId: 'test2');
+final List<LikedBy> likeby = [l1, l2];
+
+final comment1 = Comments(sId: 'comment1');
+final comment2 = Comments(sId: 'comment2');
+final comment3 = Comments(sId: 'comment3');
+final List<Comments> comments1 = [comment1, comment2, comment3];
+
+final myBirthday = DateTime.utc(2004, DateTime.june, 16, 5, 30, 0, 0, 0);
+
+//fake post data
+final post = Post(
+  creator: User(
+    id: '123',
+    firstName: 'John',
+    lastName: 'Doe',
+    email: '[email protected]',
+  ),
+  sId: "sid",
+  createdAt: myBirthday,
+  description: 'test description',
+  organization: OrgInfo(admins: users),
+  likedBy: likeby,
+  comments: comments1,
+);
+
+Widget createPostBottomModal() {
+  return BaseView<AppLanguage>(
+    onModelReady: (model) => model.initialize(),
+    builder: (context, model, child) {
+      return MaterialApp(
+        locale: const Locale('en'),
+        localizationsDelegates: const [
+          AppLocalizationsDelegate(isTest: true),
+          GlobalMaterialLocalizations.delegate,
+          GlobalWidgetsLocalizations.delegate,
+        ],
+        home: PostBottomModal(
+          post: post,
+          deletePost: mockDeletePost,
+        ),
+        navigatorKey: navigationService.navigatorKey,
+      );
+    },
+  );
+}
+
+void main() {
+  SizeConfig().test();
+  testSetupLocator();
+
+  setUp(() {
+    registerServices();
+  });
+
+  tearDown(() => unregisterServices());
+
+  group('PostBottomModalTest -', () {
+    testWidgets('has a post widget', (tester) async {
+      await tester.pumpWidget(createPostBottomModal());
+      await tester.pumpAndSettle();
+
+      // Verify the existence of PostBottomModal widget and reportPost button
+      expect(find.byType(PostBottomModal), findsOneWidget);
+      expect(find.byKey(const Key('reportPost')), findsOneWidget);
+
+      // Tap the reportPost button and verify the behavior
+      await tester.tap(find.byKey(const Key('reportPost')));
+      await tester.pumpAndSettle();
+
+      verify(
+        navigationService.showTalawaErrorSnackBar(
+          'Your Report has been sent to the Admin',
+          MessageType.info,
+        ),
+      ).called(1);
+    });
+
+    testWidgets('Testing the delete Post button', (tester) async {
+      await tester.pumpWidget(createPostBottomModal());
+      await tester.pumpAndSettle();
+
+      // Verify the existence of delete Post button
+      expect(find.byIcon(Icons.delete), findsOneWidget);
+      expect(find.byKey(const Key('deletePost')), findsOneWidget);
+
+      // Tap the delete Post button and verify the behavior
+      await tester.tap(find.byKey(const Key('deletePost')));
+      await tester.pumpAndSettle();
+
+      verify(mockDeletePost.call(post)).called(1);
+
+      // Verify the presence of AlertDialog and its elements
+      expect(find.byType(AlertDialog), findsOneWidget);
+      expect(find.byKey(const Key('alert_dialog_yes_btn')), findsOneWidget);
+      expect(find.text('The post was deleted'), findsOneWidget);
+
+      // Tap the yes button in AlertDialog and verify the behavior
+      await tester.tap(find.byKey(const Key('alert_dialog_yes_btn')));
+      await tester.pumpAndSettle();
+
+      verify(
+        navigationService.showTalawaErrorSnackBar(
+          'Post was deleted if you had the rights!',
+          MessageType.info,
+        ),
+      ).called(1);
+    });
+
+    testWidgets("Testing no button of alertDialogBox", (tester) async {
+      await tester.pumpWidget(createPostBottomModal());
+      await tester.pumpAndSettle();
+
+      // Tap the delete Post button and verify the behavior
+      expect(find.byKey(const Key('deletePost')), findsOneWidget);
+      await tester.tap(find.byKey(const Key('deletePost')));
+      await tester.pumpAndSettle();
+
+      verify(mockDeletePost.call(post)).called(1);
+
+      // Verify the presence of AlertDialog and its no button
+      expect(find.byType(AlertDialog), findsOneWidget);
+      expect(find.byKey(const Key('alert_dialog_no_btn')), findsOneWidget);
+
+      // Tap the no button in AlertDialog and verify the behavior
+      await tester.tap(find.byKey(const Key('alert_dialog_no_btn')));
+      await tester.pumpAndSettle();
+
+      // Verify that AlertDialog is dismissed
+      expect(find.byType(AlertDialog), findsNothing);
+    });
+  });
+}