tests: added tests for the Models folder

test/models/chart_test.dart

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+import 'package:flutter_test/flutter_test.dart';
+import 'package:taskwarrior/app/models/chart.dart';
+
+void main() {
+  group('ChartData', () {
+    test('should create an instance with correct values', () {
+      final chartData = ChartData('2024-12-12', 100, 200);
+
+      expect(chartData.x, '2024-12-12');
+      expect(chartData.y1, 100);
+      expect(chartData.y2, 200);
+    });
+
+    test('should handle null or empty values correctly', () {
+      final chartData = ChartData('', 0, 0);
+
+      expect(chartData.x, '');
+      expect(chartData.y1, 0);
+      expect(chartData.y2, 0);
+    });
+
+    test('should handle negative values correctly', () {
+      final chartData = ChartData('2024-12-12', -100, -200);
+
+      expect(chartData.x, '2024-12-12');
+      expect(chartData.y1, -100);
+      expect(chartData.y2, -200);
+    });
+  });
+}

test/models/data_test.dart

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+import 'package:flutter_test/flutter_test.dart';
+import 'package:mockito/mockito.dart';
+import 'package:taskwarrior/app/models/data.dart';
+import 'package:taskwarrior/app/models/json/task.dart';
+import 'package:taskwarrior/app/services/notification_services.dart';
+import 'package:flutter/widgets.dart';
+import 'dart:io';
+
+class MockNotificationService extends Mock implements NotificationService {}
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  group('Data', () {
+    late Data data;
+    late Directory home;
+    late MockNotificationService mockNotificationService;
+
+    setUp(() {
+      WidgetsFlutterBinding.ensureInitialized();
+      home = Directory.systemTemp.createTempSync();
+      data = Data(home);
+      mockNotificationService = MockNotificationService();
+
+      when(mockNotificationService.initiliazeNotification())
+          .thenAnswer((_) async {});
+    });
+
+    test('should update tasks with status "waiting" or "until" correctly',
+        () async {
+      final task1 = Task((b) => b
+        ..uuid = '1'
+        ..status = 'pending'
+        ..wait = DateTime.now().toUtc().subtract(const Duration(days: 1))
+        ..description = 'Test Task'
+        ..entry = DateTime.now().toUtc());
+      final task2 = Task((b) => b
+        ..uuid = '2'
+        ..status = 'deleted'
+        ..until = DateTime.now().toUtc().subtract(const Duration(days: 1))
+        ..description = 'Test Task'
+        ..entry = DateTime.now().toUtc());
+
+      final updatedTasks = data.pendingData();
+      expect(
+          updatedTasks.any(
+              (task) => task.uuid == task1.uuid && task.status == task1.status),
+          isFalse);
+      expect(
+          updatedTasks.any(
+              (task) => task.uuid == task2.uuid && task.status == task2.status),
+          isFalse);
+    });
+
+    test('should correctly return pending data', () {
+      final task = Task((b) => b
+        ..uuid = '1'
+        ..status = 'pending'
+        ..description = 'Test Task'
+        ..entry = DateTime.now().toUtc());
+
+      data.updateWaitOrUntil([task]);
+      final tasks = data.pendingData();
+      expect(tasks.any((t) => t.uuid == '1' && t.description == 'Test Task'),
+          isFalse);
+    });
+
+    test('should correctly return completed data', () {
+      final task = Task((b) => b
+        ..uuid = '1'
+        ..status = 'completed'
+        ..description = 'Test Task'
+        ..entry = DateTime.now().toUtc());
+
+      data.updateWaitOrUntil([task]);
+      final tasks = data.completedData();
+      expect(tasks.any((t) => t.uuid == '1' && t.description == 'Test Task'),
+          isFalse);
+    });
+
+    test('should correctly return waiting data', () {
+      final task = Task((b) => b
+        ..uuid = '1'
+        ..status = 'waiting'
+        ..description = 'Test Task'
+        ..entry = DateTime.now().toUtc());
+
+      data.updateWaitOrUntil([task]);
+      final tasks = data.waitingData();
+      expect(tasks.any((t) => t.uuid == '1' && t.description == 'Test Task'),
+          isFalse);
+    });
+
+    test('should correctly export data', () {
+      final exportedData = data.export();
+      expect(exportedData, isNotNull);
+    });
+
+    tearDown(() {
+      home.deleteSync(recursive: true);
+    });
+  });
+}

test/models/filters_test.dart

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+import 'package:flutter_test/flutter_test.dart';
+import 'package:taskwarrior/app/models/filters.dart';
+import 'package:taskwarrior/app/services/tag_filter.dart';
+
+void main() {
+  group('Filters', () {
+    late Filters filters;
+    late bool pendingFilter;
+    late bool waitingFilter;
+    late String projectFilter;
+    late bool tagUnion;
+    late Map<String, TagFilterMetadata> tags;
+
+    setUp(() {
+      pendingFilter = false;
+      waitingFilter = false;
+      projectFilter = 'TestProject';
+      tagUnion = false;
+      tags = {
+        'tag1': const TagFilterMetadata(display: 'Tag 1', selected: false),
+        'tag2': const TagFilterMetadata(display: 'Tag 2', selected: true),
+      };
+
+      filters = Filters(
+        pendingFilter: pendingFilter,
+        waitingFilter: waitingFilter,
+        togglePendingFilter: () {
+          pendingFilter = !pendingFilter;
+        },
+        toggleWaitingFilter: () {
+          waitingFilter = !waitingFilter;
+        },
+        tagFilters: TagFilters(
+          tagUnion: tagUnion,
+          toggleTagUnion: () {
+            tagUnion = !tagUnion;
+          },
+          tags: tags,
+          toggleTagFilter: (String tag) {
+            tags[tag] = TagFilterMetadata(
+              display: tags[tag]!.display,
+              selected: !tags[tag]!.selected,
+            );
+          },
+        ),
+        projects: [],
+        projectFilter: projectFilter,
+        toggleProjectFilter: (String project) {
+          projectFilter = project;
+        },
+      );
+    });
+
+    test('should correctly initialize with given parameters', () {
+      expect(filters.pendingFilter, pendingFilter);
+      expect(filters.waitingFilter, waitingFilter);
+      expect(filters.projectFilter, projectFilter);
+      expect(filters.tagFilters.tagUnion, tagUnion);
+      expect(filters.tagFilters.tags, tags);
+    });
+
+    test('should correctly toggle pending filter', () {
+      filters.togglePendingFilter();
+      expect(pendingFilter, isTrue);
+
+      filters.togglePendingFilter();
+      expect(pendingFilter, isFalse);
+    });
+
+    test('should correctly toggle waiting filter', () {
+      filters.toggleWaitingFilter();
+      expect(waitingFilter, isTrue);
+
+      filters.toggleWaitingFilter();
+      expect(waitingFilter, isFalse);
+    });
+
+    test('should correctly toggle project filter', () {
+      const newProject = 'NewProject';
+      filters.toggleProjectFilter(newProject);
+      expect(projectFilter, newProject);
+
+      const anotherProject = 'AnotherProject';
+      filters.toggleProjectFilter(anotherProject);
+      expect(projectFilter, anotherProject);
+    });
+
+    test('should correctly toggle tag union', () {
+      filters.tagFilters.toggleTagUnion();
+      expect(tagUnion, isTrue);
+
+      filters.tagFilters.toggleTagUnion();
+      expect(tagUnion, isFalse);
+    });
+
+    test('should correctly toggle tag filter', () {
+      filters.tagFilters.toggleTagFilter('tag1');
+      expect(tags['tag1']!.selected, isTrue);
+
+      filters.tagFilters.toggleTagFilter('tag1');
+      expect(tags['tag1']!.selected, isFalse);
+    });
+  });
+}

test/models/json/annotation_test.dart

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+// test/annotation_test.dart
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:intl/intl.dart';
+import 'package:taskwarrior/app/models/json/annotation.dart';
+
+void main() {
+  group('Annotation', () {
+    late Annotation annotation;
+    late DateTime entry;
+    late String description;
+
+    setUp(() {
+      entry = DateTime.now().toUtc(); // Ensure the DateTime is in UTC
+      description = 'Test description';
+
+      annotation = Annotation((b) => b
+        ..entry = entry
+        ..description = description);
+    });
+
+    test('should correctly initialize with given parameters', () {
+      expect(annotation.entry, entry);
+      expect(annotation.description, description);
+    });
+
+    test('should correctly convert to JSON', () {
+      final json = annotation.toJson();
+      expect(DateFormat("yyyyMMdd'T'HH").format(DateTime.parse(json['entry'])),
+          DateFormat("yyyyMMdd'T'HH").format(entry));
+      expect(json['description'], description);
+    });
+
+    test('should correctly create from JSON', () {
+      final json = {
+        'entry': entry.toIso8601String(),
+        'description': description,
+      };
+      final newAnnotation = Annotation.fromJson(json);
+      expect(newAnnotation.entry, entry);
+      expect(newAnnotation.description, description);
+    });
+  });
+}

test/models/json/iso_8601_basic_test.dart

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+import 'package:flutter_test/flutter_test.dart';
+import 'package:intl/intl.dart';
+import 'package:taskwarrior/app/models/json/iso_8601_basic.dart';
+import 'package:taskwarrior/app/models/json/serializers.dart';
+
+void main() {
+  group('Iso8601BasicDateTimeSerializer', () {
+    late Iso8601BasicDateTimeSerializer serializer;
+    late DateTime dateTime;
+    late DateFormat dateFormat;
+
+    setUp(() {
+      serializer = Iso8601BasicDateTimeSerializer();
+      dateTime = DateTime.utc(2024, 12, 12, 13, 30, 40, 495);
+      dateFormat = DateFormat('yMMddTHHmmss\'Z\'');
+    });
+
+    test('should throw ArgumentError if dateTime is not in UTC', () {
+      expect(
+        () => serializer.serialize(serializers, dateTime.toLocal()),
+        throwsArgumentError,
+      );
+    });
+
+    test('should correctly serialize UTC dateTime', () {
+      final serialized = serializer.serialize(serializers, dateTime);
+      expect(serialized, dateFormat.format(dateTime));
+    });
+  });
+}

test/models/json/serializer_test.dart

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+import 'package:flutter_test/flutter_test.dart';
+import 'package:intl/intl.dart';
+import 'package:taskwarrior/app/models/json/serializers.dart';
+import 'package:taskwarrior/app/models/json/annotation.dart';
+import 'package:taskwarrior/app/models/json/task.dart';
+
+void main() {
+  group('Serializers', () {
+    test('should correctly serialize and deserialize Annotation', () {
+      final annotation = Annotation((b) => b
+        ..entry = DateTime.now().toUtc()
+        ..description = 'Test description');
+
+      final serialized =
+          serializers.serializeWith(Annotation.serializer, annotation);
+      final deserialized =
+          serializers.deserializeWith(Annotation.serializer, serialized!);
+
+      expect(DateFormat("yyyyMMdd'T'HH").format(deserialized!.entry),
+          DateFormat("yyyyMMdd'T'HH").format(annotation.entry));
+      expect(deserialized.description, annotation.description);
+    });
+
+    test('should correctly serialize and deserialize Task', () {
+      final task = Task((b) => b
+        ..uuid = '1'
+        ..status = 'pending'
+        ..description = 'Test Task'
+        ..entry = DateTime.now().toUtc());
+
+      final serialized = serializers.serializeWith(Task.serializer, task);
+      final deserialized =
+          serializers.deserializeWith(Task.serializer, serialized!);
+
+      expect(DateFormat("yyyyMMdd'T'HH").format(deserialized!.entry),
+          DateFormat("yyyyMMdd'T'HH").format(task.entry));
+      expect(deserialized.uuid, task.uuid);
+      expect(deserialized.status, task.status);
+      expect(deserialized.description, task.description);
+    });
+  });
+}