feat(mobile): Add integration tests (#1359)

mobile/integration_test/test_utils/general_helper.dart

@@ -0,0 +1,40 @@
+
+import 'package:easy_localization/easy_localization.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:hive/hive.dart';
+import 'package:immich_mobile/main.dart';
+import 'package:integration_test/integration_test.dart';
+
+import 'package:immich_mobile/main.dart' as app;
+
+class ImmichTestHelper {
+
+  static Future<IntegrationTestWidgetsFlutterBinding> initialize() async {
+    final binding = IntegrationTestWidgetsFlutterBinding.ensureInitialized();
+    binding.framePolicy = LiveTestWidgetsFlutterBindingFramePolicy.fullyLive;
+
+    // Load hive, localization...
+    await app.initApp();
+
+    return binding;
+  }
+
+  static Future<void> loadApp(WidgetTester tester) async {
+    // Clear all data from Hive
+    await Hive.deleteFromDisk();
+    await app.openBoxes();
+    // Load main Widget
+    await tester.pumpWidget(app.getMainWidget());
+    // Post run tasks
+    await tester.pumpAndSettle();
+    await EasyLocalization.ensureInitialized();
+  }
+
+}
+
+void immichWidgetTest(String description, Future<void> Function(WidgetTester) test) {
+  testWidgets(description, (widgetTester) async {
+    await ImmichTestHelper.loadApp(widgetTester);
+    await test(widgetTester);
+  });
+}

mobile/integration_test/test_utils/login_helper.dart

@@ -0,0 +1,55 @@
+import 'dart:async';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+class ImmichTestLoginHelper {
+  static Future<void> waitForLoginScreen(WidgetTester tester,
+      {int timeoutSeconds = 20}) async {
+    for (var i = 0; i < timeoutSeconds; i++) {
+      // Search for "IMMICH" test in the app bar
+      final result = find.text("IMMICH");
+      if (tester.any(result)) {
+        // Wait 5s until everything settled
+        await tester.pump(const Duration(seconds: 5));
+        return;
+      }
+
+      // Wait 1s before trying again
+      await Future.delayed(const Duration(seconds: 1));
+    }
+
+    fail("Timeout while waiting for login screen");
+  }
+
+  static Future<bool> acknowledgeNewServerVersion(WidgetTester tester) async {
+    final result = find.text("Acknowledge");
+    if (!tester.any(result)) {
+      return false;
+    }
+
+    await tester.tap(result);
+    await tester.pump();
+
+    return true;
+  }
+
+  static Future<void> enterLoginCredentials(
+    WidgetTester tester, {
+    String server = "",
+    String email = "",
+    String password = "",
+  }) async {
+    final loginForms = find.byType(TextFormField);
+
+    await tester.pump(const Duration(milliseconds: 500));
+    await tester.enterText(loginForms.at(0), email);
+
+    await tester.pump(const Duration(milliseconds: 500));
+    await tester.enterText(loginForms.at(1), password);
+
+    await tester.pump(const Duration(milliseconds: 500));
+    await tester.enterText(loginForms.at(2), server);
+
+    await tester.pump(const Duration(milliseconds: 500));
+  }
+}