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Merge pull request #3313 from eseidelGoogle/gallery_drive_perf

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Add a basic scrolling test for the Gallery home page.
This commit is contained in:
Eric Seidel 2016-04-14 09:05:02 -07:00
commit a2b704b82c
3 changed files with 65 additions and 0 deletions
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2
examples/material_gallery/pubspec.yaml
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@ -16,3 +16,5 @@ dev_dependencies:
test: any # flutter_test provides the version constraints
flutter_test:
path: ../../packages/flutter_test
flutter_driver:
path: ../../packages/flutter_driver

11
examples/material_gallery/test_driver/scroll_perf.dart Normal file
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@ -0,0 +1,11 @@
// Copyright 2016 The Chromium 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 'package:flutter_driver/driver_extension.dart';
import 'package:material_gallery/main.dart' as app;
void main() {
enableFlutterDriverExtension();
app.main();
}

52
examples/material_gallery/test_driver/scroll_perf_test.dart Normal file
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@ -0,0 +1,52 @@
// Copyright 2016 The Chromium 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:async';
import 'package:flutter_driver/flutter_driver.dart';
import 'package:test/test.dart';
void main() {
group('scrolling performance test', () {
FlutterDriver driver;
setUpAll(() async {
driver = await FlutterDriver.connect();
});
tearDownAll(() async {
if (driver != null)
driver.close();
});
test('measure', () async {
Timeline timeline = await driver.traceAction(() async {
// Find the scrollable stock list
ObjectRef stockList = await driver.findByValueKey('Gallery List');
expect(stockList, isNotNull);
await driver.tap(await driver.findByText('Demos'));
await driver.tap(await driver.findByText('Components'));
await driver.tap(await driver.findByText('Style'));
// TODO(eseidel): These are very artifical scrolls, we should use better
// https://github.com/flutter/flutter/issues/3316
// Scroll down
for (int i = 0; i < 5; i++) {
await driver.scroll(stockList, 0.0, -300.0, new Duration(milliseconds: 300));
await new Future<Null>.delayed(new Duration(milliseconds: 500));
}
// Scroll up
for (int i = 0; i < 5; i++) {
await driver.scroll(stockList, 0.0, 300.0, new Duration(milliseconds: 300));
await new Future<Null>.delayed(new Duration(milliseconds: 500));
}
});
new TimelineSummary.summarize(timeline)
..writeSummaryToFile('home_scroll_perf', pretty: true)
..writeTimelineToFile('home_scroll_perf', pretty: true);
});
});
}