// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'dart:ui';
import 'package:flutter/material.dart';
import 'package:flutter_api_samples/material/refresh_indicator/refresh_indicator.2.dart'
    as example;
import 'package:flutter_test/flutter_test.dart';

void main() {
  testWidgets(
    'Pulling from scroll view triggers a refresh indicator which shows a CircularProgressIndicator',
    (WidgetTester tester) async {
      await tester.pumpWidget(const example.RefreshIndicatorExampleApp());

      // Pull the first item.
      await tester.fling(
        find.text('Pull down here').first,
        const Offset(0.0, 300.0),
        1000.0,
      );
      await tester.pump();
      await tester.pump(const Duration(seconds: 1));
      await tester.pump(const Duration(seconds: 1));

      expect(find.byType(RefreshProgressIndicator), findsNothing);
      expect(
        find.bySemanticsLabel('Circular progress indicator'),
        findsOneWidget,
      );

      await tester.pumpAndSettle(); // Advance pending time.
    },
  );

  testWidgets('Pulling with mouse pointer triggers a refresh indicator', (
    WidgetTester tester,
  ) async {
    await tester.pumpWidget(const example.RefreshIndicatorExampleApp());

    // Simulate a mouse drag gesture to trigger the refresh.
    final TestGesture gesture = await tester.startGesture(
      tester.getCenter(find.text('Pull down here').first),
      kind: PointerDeviceKind.mouse,
    );
    await gesture.moveBy(const Offset(0.0, 300.0));
    await tester.pump();
    await gesture.up();

    await tester.pump();
    await tester.pump(const Duration(seconds: 1));
    await tester.pump(const Duration(seconds: 1));

    expect(
      find.bySemanticsLabel('Circular progress indicator'),
      findsOneWidget,
    );

    await tester.pumpAndSettle();
  });
}