Fix duplicate launch screen and native splash exit flashing

2026-10-13 22:52:25 +08:00
parent 204e945b2e
commit 57eb2c0505
10 changed files with 128 additions and 79 deletions
@@ -5,25 +5,62 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:hepan_everyday/app/tp_startup.dart';

 void main() {
+  testWidgets('waiting initialization does not replace the native launch', (
+    tester,
+  ) async {
+    await tester.pumpWidget(const SizedBox());
+    final ready = Completer<void>();
+    var startupFinished = false;
+    final startup = launchApplication(
+      ready: ready.future,
+      child: const MaterialApp(home: Text('已准备好课表')),
+    ).then((_) => startupFinished = true);
+    await tester.pump();
+    expect(startupFinished, isFalse);
+    expect(tester.binding.sendFramesToEngine, isTrue);
+    expect(find.text('TPSchedule'), findsNothing);
+    expect(find.text('已准备好课表'), findsNothing);
+    ready.complete();
+    await startup;
+    await tester.pump();
+    expect(find.text('已准备好课表'), findsOneWidget);
+    expect(find.text('TPSchedule'), findsNothing);
+    expect(tester.binding.sendFramesToEngine, isTrue);
+  });
+
+  testWidgets('cached startup and resume never insert an extra launch frame', (
+    tester,
+  ) async {
+    final ready = Future<void>.value();
+    await ready;
+    await launchApplication(
+      ready: ready,
+      child: const MaterialApp(home: Text('保存的课表')),
+    );
+    await tester.pump();
+    expect(find.text('保存的课表'), findsOneWidget);
+    expect(find.text('TPSchedule'), findsNothing);
+    tester.binding.handleAppLifecycleStateChanged(AppLifecycleState.paused);
+    tester.binding.handleAppLifecycleStateChanged(AppLifecycleState.resumed);
+    await tester.pump();
+    expect(find.text('保存的课表'), findsOneWidget);
+    expect(find.text('TPSchedule'), findsNothing);
+  });
+
  testWidgets(
-    'startup shows brand while initializing and immediately proceeds when ready',
+    'initialization errors still show the recovery UI on first frame',
    (tester) async {
      final ready = Completer<void>();
-      await tester.pumpWidget(
-        TpStartup(
-          ready: ready.future,
-          child: const MaterialApp(home: Scaffold(body: Text('已准备好课表'))),
-        ),
+      final startup = launchApplication(
+        ready: ready.future,
+        child: const MaterialApp(home: Text('恢复保存文件')),
      );
+      ready.completeError(StateError('storage failed'));
+      await startup;
      await tester.pump();
-      expect(find.text('TPSchedule'), findsOneWidget);
-      expect(find.text('已准备好课表'), findsNothing);
-      ready.complete();
-      await tester.pump();
-      await tester.pump();
-      expect(find.text('已准备好课表'), findsOneWidget);
-      await tester.pumpAndSettle();
-      expect(find.text('TPSchedule'), findsNothing);
+      expect(find.text('恢复保存文件'), findsOneWidget);
+      expect(tester.binding.sendFramesToEngine, isTrue);
+      expect(tester.takeException(), isNull);
    },
  );
 }