test: coverage

.github/workflows/questions_repository.yaml

@@ -0,0 +1,22 @@
+name: questions_repository
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  push:
+    paths:
+      - "packages/questions_repository/**"
+      - ".github/workflows/questions_repository.yaml"
+
+  pull_request:
+    paths:
+      - "packages/questions_repository/**"
+      - ".github/workflows/questions_repository.yaml"
+
+jobs:
+  build:
+    uses: VeryGoodOpenSource/very_good_workflows/.github/workflows/dart_package.yml@v1
+    with:
+      working_directory: packages/questions_repository

packages/questions_repository/lib/src/questions_repository.dart

@@ -9,6 +9,7 @@ class QuestionsRepository {
 
   final QuestionsResource _questionsResource;
 
+  /// Returns [VertexResponse] based on a query.
   Future<VertexResponse> getVertexResponse(String query) async {
     return _questionsResource.getVertexResponse(query);
   }

packages/questions_repository/test/src/questions_repository_test.dart

@@ -1,11 +1,36 @@
 // ignore_for_file: prefer_const_constructors
+import 'package:api_client/api_client.dart';
+import 'package:mocktail/mocktail.dart';
 import 'package:questions_repository/questions_repository.dart';
 import 'package:test/test.dart';
 
+class _MockQuestionsResource extends Mock implements QuestionsResource {}
+
+class _FakeVertexResponse extends Fake implements VertexResponse {}
+
 void main() {
   group('QuestionsRepository', () {
-    test('can be instantiated', () {
-      expect(QuestionsRepository(), isNotNull);
+    late QuestionsResource questionsResource;
+    late QuestionsRepository questionsRepository;
+
+    setUp(() {
+      questionsResource = _MockQuestionsResource();
+      questionsRepository = QuestionsRepository(questionsResource);
+    });
+
+    setUpAll(() {
+      registerFallbackValue(_FakeVertexResponse());
+    });
+
+    group('getVertexResponse', () {
+      test('returns VertexResponse', () {
+        when(() => questionsResource.getVertexResponse(any()))
+            .thenAnswer((_) async => _FakeVertexResponse());
+        expectLater(
+          questionsRepository.getVertexResponse(''),
+          completion(isA<VertexResponse>()),
+        );
+      });
     });
   });
 }