[verified] Publish ReelBox source under GPLv3

tool/banner_ui_capture_test.dart

@@ -0,0 +1,119 @@
+// Explicit host-rendered UI evidence; not Android-device verification.
+import 'dart:io';
+import 'dart:ui' as ui;
+
+import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:reelbox/app.dart';
+import 'package:reelbox/state/app_state.dart';
+import 'package:reelbox/ui/catalog.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import '../test/home_banner_widget_test.dart' show HomeBannerFixtureApi;
+
+void main() {
+  testWidgets(
+    'actual home Telegram at 390x844 in English/Persian including API error and tap',
+    (tester) async {
+      await tester.runAsync(() async {
+        final bytes = await File(
+          Platform.environment['REELBOX_TEST_FONT'] ??
+              '/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf',
+        ).readAsBytes();
+        for (final family in ['Roboto', 'Ahem']) {
+          await (FontLoader(
+            family,
+          )..addFont(Future.value(bytes.buffer.asByteData()))).load();
+        }
+        final icons = await File(
+          Platform.environment['REELBOX_ICON_FONT'] ?? '/root/developer-tools/flutter/bin/cache/artifacts/material_fonts/MaterialIcons-Regular.otf',
+        ).readAsBytes();
+        await (FontLoader(
+          'MaterialIcons',
+        )..addFont(Future.value(icons.buffer.asByteData()))).load();
+      });
+      tester.view.devicePixelRatio = 1;
+      tester.view.physicalSize = const Size(390, 844);
+      addTearDown(tester.view.resetDevicePixelRatio);
+      addTearDown(tester.view.resetPhysicalSize);
+      final output = Directory(
+        Platform.environment['REELBOX_SCREENSHOT_DIR'] ??
+            '${Directory.current.path}/build/banner-ui-verification',
+      );
+      await tester.runAsync(() => output.create(recursive: true));
+      const channel = MethodChannel('plugins.flutter.io/url_launcher');
+      final targets = <String>[];
+      tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(channel, (
+        call,
+      ) async {
+        targets.add(call.arguments['url'] as String);
+        return true;
+      });
+      addTearDown(
+        () => tester.binding.defaultBinaryMessenger.setMockMethodCallHandler(
+          channel,
+          null,
+        ),
+      );
+      for (final failed in [false, true]) {
+        for (final locale in ['en', 'fa']) {
+          // ignore: invalid_use_of_visible_for_testing_member
+          SharedPreferences.setMockInitialValues({});
+          final state = AppState(
+            api: HomeBannerFixtureApi()..fail = failed,
+            storage: await SharedPreferences.getInstance(),
+          );
+          await state.initialize(discover: false);
+          await state.updateSettings(
+            state.prefs.copyWith(locale: locale, introCompleted: true),
+          );
+          final boundaryKey = GlobalKey();
+          await tester.pumpWidget(
+            RepaintBoundary(
+              key: boundaryKey,
+              child: MyApp(state: state),
+            ),
+          );
+          await tester.pumpAndSettle();
+          expect(find.byType(DiscoverPage), findsOneWidget);
+          expect(find.byType(NavigationBar), findsOneWidget);
+          final title = locale == 'en'
+              ? 'ReelBox updates'
+              : 'تازه‌های ریل‌باکس';
+          expect(find.text(title), findsOneWidget);
+          expect(
+            tester
+                .getRect(find.byKey(const Key('home-banner-telegram')))
+                .bottom,
+            lessThan(844),
+          );
+          if (failed) expect(find.text('Offline'), findsWidgets);
+          expect(tester.takeException(), isNull);
+          final boundary =
+              boundaryKey.currentContext!.findRenderObject()!
+                  as RenderRepaintBoundary;
+          final name = 'home-banner-$locale${failed ? '-error' : ''}';
+          await tester.runAsync(() async {
+            final image = await boundary.toImage(pixelRatio: 1);
+            expect(image.width, 390);
+            expect(image.height, 844);
+            final bytes = await image.toByteData(
+              format: ui.ImageByteFormat.png,
+            );
+            await File('${output.path}/$name.png')
+                .writeAsBytes(bytes!.buffer.asUint8List());
+            image.dispose();
+          });
+          await tester.tap(find.byKey(const Key('home-banner-telegram')));
+          await tester.pumpAndSettle();
+          expect(targets.last, 'https://t.me/ReelBoxApp');
+          await tester.pumpWidget(const SizedBox());
+          state.dispose();
+        }
+      }
+      expect(targets, List.filled(4, 'https://t.me/ReelBoxApp'));
+    },
+  );
+}