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11025e4acd
This reduce the execution time of macrobenchmarks driver tests. I tried to find the exact size to scroll the screen but I couldn't find a way to do that with driver tests.
73 lines
2.4 KiB
Dart
73 lines
2.4 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_driver/flutter_driver.dart';
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import 'package:macrobenchmarks/common.dart';
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import 'package:test/test.dart' hide TypeMatcher, isInstanceOf;
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typedef DriverTestCallBack = Future<void> Function(FlutterDriver driver);
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Future<void> runDriverTestForRoute(String routeName, DriverTestCallBack body) async {
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final FlutterDriver driver = await FlutterDriver.connect();
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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 Future<void>.delayed(const Duration(milliseconds: 250));
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await driver.forceGC();
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final SerializableFinder scrollable = find.byValueKey(kScrollableName);
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expect(scrollable, isNotNull);
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final SerializableFinder button = find.byValueKey(routeName);
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expect(button, isNotNull);
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// -320 comes from the logical pixels for a full screen scroll for the
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// smallest reference device, iPhone 4, whose physical screen dimensions are
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// 960px × 640px.
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const double dyScroll = -320.0;
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await driver.scrollUntilVisible(scrollable, button, dyScroll: dyScroll);
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await driver.tap(button);
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await body(driver);
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driver.close();
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}
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void macroPerfTest(
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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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Future<void> Function(FlutterDriver driver)? driverOps,
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Future<void> Function(FlutterDriver driver)? setupOps,
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}) {
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test(testName, () async {
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late Timeline timeline;
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await runDriverTestForRoute(routeName, (FlutterDriver driver) async {
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if (pageDelay != null) {
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// Wait for the page to load
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await Future<void>.delayed(pageDelay);
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}
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if (setupOps != null) {
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await setupOps(driver);
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}
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timeline = await driver.traceAction(() async {
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final Future<void> durationFuture = Future<void>.delayed(duration);
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if (driverOps != null) {
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await driverOps(driver);
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}
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await durationFuture;
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});
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});
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expect(timeline, isNotNull);
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final TimelineSummary summary = TimelineSummary.summarize(timeline);
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await summary.writeTimelineToFile(testName, pretty: true);
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}, timeout: Timeout.none);
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}
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