Add Golden test

.github/workflows/ci.yml

@@ -51,6 +51,10 @@ jobs:
       - name: Widget Test
         timeout-minutes: 5
         run: flutter test test/widget_test.dart
+
+      - name: Golden Test
+        timeout-minutes: 5
+        run: flutter test test/golden_test.dart
 
       - name: Build iOS
         timeout-minutes: 10

test/golden_test.dart

@@ -0,0 +1,64 @@
+// ignore_for_file: scoped_providers_should_specify_dependencies
+import 'package:flutter/material.dart';
+import 'package:golden_toolkit/golden_toolkit.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:npm/features/package_details/package_details.dart';
+import 'package:npm/features/package_details/package_details_page.dart';
+import 'package:npm/features/packages/packages.dart';
+import 'package:npm/features/packages/packages_page.dart';
+import 'package:npm/util/shared_preferences.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:test/test.dart';
+
+import 'fake_package_details.dart';
+import 'fake_packages.dart';
+
+void main() {
+  group(['Golden Test'], () {
+    testGoldens(
+      'PackagesPage',
+      (tester) async {
+        SharedPreferences.setMockInitialValues({});
+        final prefs = await SharedPreferences.getInstance();
+        final builder = DeviceBuilder()
+          ..addScenario(
+              widget: ProviderScope(
+            overrides: [
+              packagesProvider(search: initialSearchText)
+                  .overrideWith(fakePackagesProvider),
+              sharedPreferencesProvider.overrideWith((_) => prefs),
+            ],
+            child: const MaterialApp(
+              debugShowCheckedModeBanner: false,
+              home: PackagesPage(),
+            ),
+          ));
+        await tester.pumpDeviceBuilder(builder);
+        await screenMatchesGolden(tester, 'packages_page');
+      },
+    );
+
+    testGoldens(
+      'PackageDetailsPage',
+      (tester) async {
+        SharedPreferences.setMockInitialValues({});
+        final prefs = await SharedPreferences.getInstance();
+        final builder = DeviceBuilder()
+          ..addScenario(
+              widget: ProviderScope(
+            overrides: [
+              packageDetailsProvider(id: fakePackageDetailsName)
+                  .overrideWith(fakePackageDetailsProvider),
+              sharedPreferencesProvider.overrideWith((_) => prefs),
+            ],
+            child: const MaterialApp(
+              debugShowCheckedModeBanner: false,
+              home: PackageDetailsPage(id: fakePackageDetailsName),
+            ),
+          ));
+        await tester.pumpDeviceBuilder(builder);
+        await screenMatchesGolden(tester, 'pakage_details_page');
+      },
+    );
+  });
+}