test: added test for all files under utils/permissions

Author: rohansen856

test/utils/permissions/permissions_manager_test.dart

@@ -0,0 +1,31 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mockito/annotations.dart';
+import 'package:mockito/mockito.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'package:taskwarrior/app/utils/permissions/permissions_manager.dart';
+import 'package:taskwarrior/app/utils/constants/permissions.dart';
+
+import 'permissions_manager_test.mocks.dart';
+
+@GenerateMocks([Permission])
+void main() {
+  group('PermissionsManager', () {
+    late MockPermission mockPermission;
+
+    setUp(() {
+      WidgetsFlutterBinding.ensureInitialized();
+      mockPermission = MockPermission();
+      permissions.clear();
+      permissions.add(mockPermission);
+    });
+    test('requestAllPermissions handles permission denied', () async {
+      when(mockPermission.request())
+          .thenAnswer((_) async => PermissionStatus.denied);
+
+      await PermissionsManager.requestAllPermissions();
+
+      verify(mockPermission.request()).called(1);
+    });
+  });
+}

test/utils/permissions/permissions_manager_test.mocks.dart

@@ -0,0 +1,37 @@
+// Mocks generated by Mockito 5.4.4 from annotations
+// in taskwarrior/test/utils/permissions/permissions_manager_test.dart.
+// Do not manually edit this file.
+
+// ignore_for_file: no_leading_underscores_for_library_prefixes
+import 'package:mockito/mockito.dart' as _i1;
+import 'package:permission_handler_platform_interface/permission_handler_platform_interface.dart'
+    as _i2;
+
+// ignore_for_file: type=lint
+// ignore_for_file: avoid_redundant_argument_values
+// ignore_for_file: avoid_setters_without_getters
+// ignore_for_file: comment_references
+// ignore_for_file: deprecated_member_use
+// ignore_for_file: deprecated_member_use_from_same_package
+// ignore_for_file: implementation_imports
+// ignore_for_file: invalid_use_of_visible_for_testing_member
+// ignore_for_file: prefer_const_constructors
+// ignore_for_file: unnecessary_parenthesis
+// ignore_for_file: camel_case_types
+// ignore_for_file: subtype_of_sealed_class
+
+/// A class which mocks [Permission].
+///
+/// See the documentation for Mockito's code generation for more information.
+// ignore: must_be_immutable
+class MockPermission extends _i1.Mock implements _i2.Permission {
+  MockPermission() {
+    _i1.throwOnMissingStub(this);
+  }
+
+  @override
+  int get value => (super.noSuchMethod(
+        Invocation.getter(#value),
+        returnValue: 0,
+      ) as int);
+}