feat: Buat use case endpoint deleteTrackUser

Sekalian dengan unit test-nya.

Author: CoderJava

lib/feature/domain/usecase/delete_track_user/delete_track_user.dart

@@ -0,0 +1,32 @@
+import 'package:dipantau_desktop_client/core/error/failure.dart';
+import 'package:dipantau_desktop_client/core/usecase/usecase.dart';
+import 'package:dipantau_desktop_client/feature/data/model/general/general_response.dart';
+import 'package:dipantau_desktop_client/feature/domain/repository/track/track_repository.dart';
+import 'package:equatable/equatable.dart';
+
+class DeleteTrackUser implements UseCaseRecords<GeneralResponse?, ParamsDeleteTrackUser> {
+  final TrackRepository repository;
+
+  DeleteTrackUser({required this.repository});
+
+  @override
+  Future<({Failure? failure, GeneralResponse? response})> call(ParamsDeleteTrackUser params) {
+    return repository.deleteTrackUser(params.trackId);
+  }
+}
+
+class ParamsDeleteTrackUser extends Equatable {
+  final int trackId;
+
+  ParamsDeleteTrackUser({required this.trackId});
+
+  @override
+  List<Object?> get props => [
+        trackId,
+      ];
+
+  @override
+  String toString() {
+    return 'ParamsDeleteTrackUser{trackId: $trackId}';
+  }
+}

test/feature/domain/usecase/delete_track_user/delete_track_user_test.dart

@@ -0,0 +1,68 @@
+import 'dart:convert';
+
+import 'package:dipantau_desktop_client/feature/data/model/general/general_response.dart';
+import 'package:dipantau_desktop_client/feature/domain/usecase/delete_track_user/delete_track_user.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mockito/mockito.dart';
+
+import '../../../../fixture/fixture_reader.dart';
+import '../../../../helper/mock_helper.mocks.dart';
+
+void main() {
+  late DeleteTrackUser useCase;
+  late MockTrackRepository mockRepository;
+
+  setUp(() {
+    mockRepository = MockTrackRepository();
+    useCase = DeleteTrackUser(repository: mockRepository);
+  });
+
+  const trackId = 1;
+  final tParams = ParamsDeleteTrackUser(trackId: trackId);
+
+  test(
+    'pastikan objek repository berhasil menerima respon sukses atau gagal dari endpoint',
+    () async {
+      // arrange
+      final tResponse = GeneralResponse.fromJson(
+        json.decode(
+          fixture('general_response.json'),
+        ),
+      );
+      final tResult = (failure: null, response: tResponse);
+      when(mockRepository.deleteTrackUser(any)).thenAnswer((_) async => tResult);
+
+      // act
+      final result = await useCase(tParams);
+
+      // assert
+      expect(result, tResult);
+      verify(mockRepository.deleteTrackUser(trackId));
+      verifyNoMoreInteractions(mockRepository);
+    },
+  );
+
+  test(
+    'pastikan output dari nilai props',
+    () async {
+      // assert
+      expect(
+        tParams.props,
+        [
+          tParams.trackId,
+        ],
+      );
+    },
+  );
+
+  test(
+    'pastikan output dari fungsi toString',
+    () async {
+      // assert
+      expect(
+        tParams.toString(),
+        'ParamsDeleteTrackUser{trackId: $trackId}',
+      );
+    },
+  );
+}