test: added test for root files

Author: rohansen856

test/api_service_test.dart

@@ -0,0 +1,192 @@
+import 'dart:convert';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mockito/annotations.dart';
+import 'package:mockito/mockito.dart';
+import 'package:http/http.dart' as http;
+import 'package:sqflite_common_ffi/sqflite_ffi.dart';
+import 'package:taskwarrior/api_service.dart';
+import 'package:taskwarrior/app/utils/taskchampion/credentials_storage.dart';
+
+import 'main_test.dart';
+
+class MockHttpClient extends Mock implements http.Client {}
+
+class MockCredentialsStorage extends Mock implements CredentialsStorage {}
+
+@GenerateMocks([MockMethodChannel])
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  late MockHttpClient mockHttpClient;
+  databaseFactory = databaseFactoryFfi;
+
+  setUpAll(() {
+    sqfliteFfiInit();
+  });
+
+  setUp(() {
+    mockHttpClient = MockHttpClient();
+  });
+
+  group('Tasks model', () {
+    test('fromJson creates Tasks object', () {
+      final json = {
+        'id': 1,
+        'description': 'Task 1',
+        'project': 'Project 1',
+        'status': 'pending',
+        'uuid': '123',
+        'urgency': 5.0,
+        'priority': 'H',
+        'due': '2024-12-31',
+        'end': null,
+        'entry': '2024-01-01',
+        'modified': '2024-11-01',
+      };
+
+      final task = Tasks.fromJson(json);
+
+      expect(task.id, 1);
+      expect(task.description, 'Task 1');
+      expect(task.project, 'Project 1');
+      expect(task.status, 'pending');
+      expect(task.uuid, '123');
+      expect(task.urgency, 5.0);
+      expect(task.priority, 'H');
+      expect(task.due, '2024-12-31');
+      expect(task.entry, '2024-01-01');
+      expect(task.modified, '2024-11-01');
+    });
+
+    test('toJson converts Tasks object to JSON', () {
+      final task = Tasks(
+        id: 1,
+        description: 'Task 1',
+        project: 'Project 1',
+        status: 'pending',
+        uuid: '123',
+        urgency: 5.0,
+        priority: 'H',
+        due: '2024-12-31',
+        end: null,
+        entry: '2024-01-01',
+        modified: '2024-11-01',
+      );
+
+      final json = task.toJson();
+
+      expect(json['id'], 1);
+      expect(json['description'], 'Task 1');
+      expect(json['project'], 'Project 1');
+      expect(json['status'], 'pending');
+      expect(json['uuid'], '123');
+      expect(json['urgency'], 5.0);
+      expect(json['priority'], 'H');
+      expect(json['due'], '2024-12-31');
+    });
+  });
+
+  group('fetchTasks', () {
+    test('fetchTasks returns list of Tasks on success', () async {
+      const uuid = '123';
+      const encryptionSecret = 'secret';
+      final url =
+          '$baseUrl/tasks?email=email&origin=$origin&UUID=$uuid&encryptionSecret=$encryptionSecret';
+
+      final response = [
+        {
+          'id': 1,
+          'description': 'Task 1',
+          'project': 'Project 1',
+          'status': 'pending',
+          'uuid': '123',
+          'urgency': 5.0,
+          'priority': 'H',
+          'due': '2024-12-31',
+          'end': null,
+          'entry': '2024-01-01',
+          'modified': '2024-11-01',
+        }
+      ];
+
+      when(mockHttpClient.get(Uri.parse(url), headers: anyNamed('headers')))
+          .thenAnswer((_) async => http.Response(jsonEncode(response), 200));
+
+      final tasks = await fetchTasks(uuid, encryptionSecret);
+
+      expect(tasks.length, 1);
+      expect(tasks[0].description, 'Task 1');
+    });
+
+    test('fetchTasks throws exception on failure', () async {
+      const uuid = '123';
+      const encryptionSecret = 'secret';
+      final url =
+          '$baseUrl/tasks?email=email&origin=$origin&UUID=$uuid&encryptionSecret=$encryptionSecret';
+
+      when(mockHttpClient.get(Uri.parse(url), headers: anyNamed('headers')))
+          .thenAnswer((_) async => http.Response('Error', 500));
+
+      expect(() => fetchTasks(uuid, encryptionSecret), throwsException);
+    });
+  });
+
+  group('TaskDatabase', () {
+    late TaskDatabase taskDatabase;
+
+    setUp(() async {
+      taskDatabase = TaskDatabase();
+      await taskDatabase.open();
+    });
+
+    tearDown(() async {
+      await taskDatabase.deleteAllTasksInDB();
+    });
+
+    test('insertTask adds a task to the database', () async {
+      final task = Tasks(
+        id: 1,
+        description: 'Task 1',
+        project: 'Project 1',
+        status: 'pending',
+        uuid: '123',
+        urgency: 5.0,
+        priority: 'H',
+        due: '2024-12-31',
+        end: null,
+        entry: '2024-01-01',
+        modified: '2024-11-01',
+      );
+
+      await taskDatabase.insertTask(task);
+
+      final tasks = await taskDatabase.fetchTasksFromDatabase();
+
+      expect(tasks.length, 1);
+      expect(tasks[0].description, 'Task 1');
+    });
+
+    test('deleteAllTasksInDB removes all tasks', () async {
+      final task = Tasks(
+        id: 1,
+        description: 'Task 1',
+        project: 'Project 1',
+        status: 'pending',
+        uuid: '123',
+        urgency: 5.0,
+        priority: 'H',
+        due: '2024-12-31',
+        end: null,
+        entry: '2024-01-01',
+        modified: '2024-11-01',
+      );
+
+      await taskDatabase.insertTask(task);
+      await taskDatabase.deleteAllTasksInDB();
+
+      final tasks = await taskDatabase.fetchTasksFromDatabase();
+
+      expect(tasks.length, 0);
+    });
+  });
+}

test/main_test.dart

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+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:get/get_navigation/src/root/get_material_app.dart';
+import 'package:mockito/annotations.dart';
+import 'package:mockito/mockito.dart';
+import 'package:taskwarrior/app/utils/app_settings/app_settings.dart';
+import 'package:taskwarrior/main.dart' as app;
+
+class MockMethodChannel extends Mock implements MethodChannel {}
+
+class AppSettingsService {
+  Future<void> init() => AppSettings.init();
+}
+
+class MockAppSettingsService extends Mock implements AppSettingsService {}
+
+@GenerateMocks([MockMethodChannel])
+void main() {
+  late MockAppSettingsService mockAppSettingsService;
+
+  setUp(() {
+    mockAppSettingsService = MockAppSettingsService();
+  });
+
+  testWidgets('App initializes and renders correctly',
+      (WidgetTester tester) async {
+    when(mockAppSettingsService.init()).thenAnswer((_) async {});
+
+    await tester.pumpWidget(
+      MaterialApp(
+        home: Builder(
+          builder: (context) {
+            app.main();
+            return Container();
+          },
+        ),
+      ),
+    );
+
+    await tester.pumpAndSettle();
+
+    verify(mockAppSettingsService.init()).called(1);
+
+    expect(find.byType(GetMaterialApp), findsOneWidget);
+  });
+}