PlayerExpansionController: optischer Öffnen-Fortschritt für den Vollbild-Player

2026-08-29 14:19:29 +02:00
parent dbaec47faf
commit 2baac9ed12
2 changed files with 247 additions and 0 deletions
@@ -0,0 +1,164 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:melo/player/player_expansion_controller.dart';
+
+void main() {
+  Widget mitMediaQuery(bool disableAnimations, WidgetBuilder builder) {
+    return MediaQuery(
+      data: MediaQueryData(disableAnimations: disableAnimations),
+      child: MaterialApp(home: Builder(builder: builder)),
+    );
+  }
+
+  testWidgets('progress startet bei 0', (tester) async {
+    late PlayerExpansionController controller;
+    await tester.pumpWidget(mitMediaQuery(false, (context) {
+      controller = PlayerExpansionController(vsync: tester);
+      return const SizedBox();
+    }));
+    expect(controller.progress, 0.0);
+    controller.dispose();
+  });
+
+  testWidgets('dragBy nach oben erhöht progress, nach unten verringert ihn',
+      (tester) async {
+    late PlayerExpansionController controller;
+    await tester.pumpWidget(mitMediaQuery(false, (context) {
+      controller = PlayerExpansionController(vsync: tester);
+      return const SizedBox();
+    }));
+
+    controller.dragBy(-150); // halbe Referenzhöhe nach oben
+    expect(controller.progress, closeTo(0.5, 0.001));
+
+    controller.dragBy(75); // ein Viertel zurück nach unten
+    expect(controller.progress, closeTo(0.25, 0.001));
+    controller.dispose();
+  });
+
+  testWidgets('dragBy clampt auf [0, 1]', (tester) async {
+    late PlayerExpansionController controller;
+    await tester.pumpWidget(mitMediaQuery(false, (context) {
+      controller = PlayerExpansionController(vsync: tester);
+      return const SizedBox();
+    }));
+
+    controller.dragBy(-1000);
+    expect(controller.progress, 1.0);
+    controller.dragBy(2000);
+    expect(controller.progress, 0.0);
+    controller.dispose();
+  });
+
+  testWidgets('open() fliegt zu 1, close() fliegt zu 0', (tester) async {
+    late PlayerExpansionController controller;
+    late BuildContext ctx;
+    await tester.pumpWidget(mitMediaQuery(false, (context) {
+      ctx = context;
+      controller = PlayerExpansionController(vsync: tester);
+      return const SizedBox();
+    }));
+
+    controller.open(ctx);
+    await tester.pumpAndSettle();
+    expect(controller.progress, 1.0);
+
+    controller.close(ctx);
+    await tester.pumpAndSettle();
+    expect(controller.progress, 0.0);
+    controller.dispose();
+  });
+
+  testWidgets('open()/close() springen bei disableAnimations sofort',
+      (tester) async {
+    late PlayerExpansionController controller;
+    late BuildContext ctx;
+    await tester.pumpWidget(mitMediaQuery(true, (context) {
+      ctx = context;
+      controller = PlayerExpansionController(vsync: tester);
+      return const SizedBox();
+    }));
+
+    controller.open(ctx);
+    expect(controller.progress, 1.0); // ohne pumpAndSettle sofort da
+    controller.close(ctx);
+    expect(controller.progress, 0.0);
+    controller.dispose();
+  });
+
+  testWidgets(
+      'dragEnd beim Öffnen: ausreichende Strecke nach oben fliegt zu 1',
+      (tester) async {
+    late PlayerExpansionController controller;
+    late BuildContext ctx;
+    await tester.pumpWidget(mitMediaQuery(false, (context) {
+      ctx = context;
+      controller = PlayerExpansionController(vsync: tester);
+      return const SizedBox();
+    }));
+
+    controller.dragBy(-200);
+    controller.dragEnd(ctx, -200, 0); // Strecke > wischStreckeSchwelle (80)
+    await tester.pumpAndSettle();
+    expect(controller.progress, 1.0);
+    controller.dispose();
+  });
+
+  testWidgets(
+      'dragEnd beim Öffnen: zu kurze, langsame Geste fällt zurück auf 0',
+      (tester) async {
+    late PlayerExpansionController controller;
+    late BuildContext ctx;
+    await tester.pumpWidget(mitMediaQuery(false, (context) {
+      ctx = context;
+      controller = PlayerExpansionController(vsync: tester);
+      return const SizedBox();
+    }));
+
+    controller.dragBy(-30);
+    controller.dragEnd(ctx, -30, 0); // unter wischStreckeSchwelle
+    await tester.pumpAndSettle();
+    expect(controller.progress, 0.0);
+    controller.dispose();
+  });
+
+  testWidgets(
+      'dragEnd beim Schließen: ausreichende Strecke nach unten fliegt zu 0',
+      (tester) async {
+    late PlayerExpansionController controller;
+    late BuildContext ctx;
+    await tester.pumpWidget(mitMediaQuery(false, (context) {
+      ctx = context;
+      controller = PlayerExpansionController(vsync: tester);
+      return const SizedBox();
+    }));
+
+    controller.open(ctx);
+    await tester.pumpAndSettle();
+    controller.dragBy(200); // nach unten, Betrag > Referenzhöhe/2
+    controller.dragEnd(ctx, 200, 0);
+    await tester.pumpAndSettle();
+    expect(controller.progress, 0.0);
+    controller.dispose();
+  });
+
+  testWidgets(
+      'dragEnd beim Schließen: zu kurze, langsame Geste bleibt bei 1',
+      (tester) async {
+    late PlayerExpansionController controller;
+    late BuildContext ctx;
+    await tester.pumpWidget(mitMediaQuery(false, (context) {
+      ctx = context;
+      controller = PlayerExpansionController(vsync: tester);
+      return const SizedBox();
+    }));
+
+    controller.open(ctx);
+    await tester.pumpAndSettle();
+    controller.dragBy(30);
+    controller.dragEnd(ctx, 30, 0);
+    await tester.pumpAndSettle();
+    expect(controller.progress, 1.0);
+    controller.dispose();
+  });
+}