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108 lines
3.7 KiB
Dart
108 lines
3.7 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/widgets.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:integration_test/integration_test.dart';
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import 'package:macrobenchmarks/common.dart';
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import 'package:macrobenchmarks/main.dart' as app;
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typedef ControlCallback = Future<void> Function(WidgetController controller);
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class ScrollableButtonRoute {
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ScrollableButtonRoute(this.listViewKey, this.buttonKey);
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final String listViewKey;
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final String buttonKey;
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}
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void macroPerfTestE2E(
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String testName,
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String routeName, {
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Duration? pageDelay,
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Duration duration = const Duration(seconds: 3),
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ControlCallback? body,
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ControlCallback? setup,
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}) {
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macroPerfTestMultiPageE2E(
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testName,
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<ScrollableButtonRoute>[
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ScrollableButtonRoute(kScrollableName, routeName),
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],
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pageDelay: pageDelay,
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duration: duration,
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body: body,
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setup: setup,
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);
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}
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void macroPerfTestMultiPageE2E(
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String testName,
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List<ScrollableButtonRoute> routes, {
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Duration? pageDelay,
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Duration duration = const Duration(seconds: 3),
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ControlCallback? body,
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ControlCallback? setup,
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}) {
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final WidgetsBinding widgetsBinding = IntegrationTestWidgetsFlutterBinding.ensureInitialized();
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assert(widgetsBinding is IntegrationTestWidgetsFlutterBinding);
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final IntegrationTestWidgetsFlutterBinding binding = widgetsBinding as IntegrationTestWidgetsFlutterBinding;
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binding.framePolicy = LiveTestWidgetsFlutterBindingFramePolicy.benchmarkLive;
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testWidgets(testName, (WidgetTester tester) async {
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assert(tester.binding == binding);
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app.main();
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await tester.pumpAndSettle();
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// The slight initial delay avoids starting the timing during a
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// period of increased load on the device. Without this delay, the
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// benchmark has greater noise.
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// See: https://github.com/flutter/flutter/issues/19434
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await tester.binding.delayed(const Duration(microseconds: 250));
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for (final ScrollableButtonRoute route in routes) {
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expect(route.listViewKey, startsWith('/'));
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expect(route.buttonKey, startsWith('/'));
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// Make sure each list view page is settled
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await tester.pumpAndSettle();
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final Finder listView = find.byKey(ValueKey<String>(route.listViewKey));
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// ListView is not a Scrollable, but it contains one
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final Finder scrollable = find.descendant(of: listView, matching: find.byType(Scrollable));
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// scrollable should find one widget as soon as the page is loaded
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expect(scrollable, findsOneWidget);
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final Finder button = find.byKey(ValueKey<String>(route.buttonKey), skipOffstage: false);
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// button may or may not find a widget right away until we scroll to it
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await tester.scrollUntilVisible(button, 50, scrollable: scrollable);
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// After scrolling, button should find one Widget
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expect(button, findsOneWidget);
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// Allow scrolling to settle
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await tester.pumpAndSettle();
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await tester.tap(button);
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// Cannot be pumpAndSettle because some tests have infinite animation.
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await tester.pump(const Duration(milliseconds: 20));
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}
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if (pageDelay != null) {
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// Wait for the page to load
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await tester.binding.delayed(pageDelay);
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}
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if (setup != null) {
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await setup(tester);
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}
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await binding.watchPerformance(() async {
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final Future<void> durationFuture = tester.binding.delayed(duration);
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if (body != null) {
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await body(tester);
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}
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await durationFuture;
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});
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}, semanticsEnabled: false, timeout: Timeout.none);
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}
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