| // 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:convert' show json; |
| |
| import 'package:file/file.dart'; |
| import 'package:flutter_driver/flutter_driver.dart'; |
| import 'package:flutter_driver/src/driver/common.dart'; |
| import 'package:path/path.dart' as path; |
| import 'package:test/test.dart'; |
| |
| void main() { |
| group('TimelineSummary', () { |
| |
| TimelineSummary summarize(List<Map<String, dynamic>> testEvents) { |
| return new TimelineSummary.summarize(new Timeline.fromJson(<String, dynamic>{ |
| 'traceEvents': testEvents, |
| })); |
| } |
| |
| Map<String, dynamic> build(int timeStamp, int duration) => <String, dynamic>{ |
| 'name': 'Frame', 'ph': 'X', 'ts': timeStamp, 'dur': duration |
| }; |
| |
| Map<String, dynamic> begin(int timeStamp) => <String, dynamic>{ |
| 'name': 'GPURasterizer::Draw', 'ph': 'B', 'ts': timeStamp |
| }; |
| |
| Map<String, dynamic> end(int timeStamp) => <String, dynamic>{ |
| 'name': 'GPURasterizer::Draw', 'ph': 'E', 'ts': timeStamp |
| }; |
| |
| group('frame_count', () { |
| test('counts frames', () { |
| expect( |
| summarize(<Map<String, dynamic>>[ |
| build(1000, 1000), |
| build(3000, 2000), |
| ]).countFrames(), |
| 2 |
| ); |
| }); |
| }); |
| |
| group('average_frame_build_time_millis', () { |
| test('returns null when there is no data', () { |
| expect(summarize(<Map<String, dynamic>>[]).computeAverageFrameBuildTimeMillis(), isNull); |
| }); |
| |
| test('computes average frame build time in milliseconds', () { |
| expect( |
| summarize(<Map<String, dynamic>>[ |
| build(1000, 1000), |
| build(3000, 2000), |
| ]).computeAverageFrameBuildTimeMillis(), |
| 1.5 |
| ); |
| }); |
| }); |
| |
| group('worst_frame_build_time_millis', () { |
| test('returns null when there is no data', () { |
| expect(summarize(<Map<String, dynamic>>[]).computeWorstFrameBuildTimeMillis(), isNull); |
| }); |
| |
| test('computes worst frame build time in milliseconds', () { |
| expect( |
| summarize(<Map<String, dynamic>>[ |
| build(1000, 1000), |
| build(3000, 2000), |
| ]).computeWorstFrameBuildTimeMillis(), |
| 2.0 |
| ); |
| expect( |
| summarize(<Map<String, dynamic>>[ |
| build(3000, 2000), |
| build(1000, 1000), |
| ]).computeWorstFrameBuildTimeMillis(), |
| 2.0 |
| ); |
| }); |
| }); |
| |
| group('computeMissedFrameBuildBudgetCount', () { |
| test('computes the number of missed build budgets', () { |
| final TimelineSummary summary = summarize(<Map<String, dynamic>>[ |
| build(1000, 9000), |
| build(11000, 1000), |
| build(13000, 10000), |
| ]); |
| |
| expect(summary.countFrames(), 3); |
| expect(summary.computeMissedFrameBuildBudgetCount(), 2); |
| }); |
| }); |
| |
| group('average_frame_rasterizer_time_millis', () { |
| test('returns null when there is no data', () { |
| expect(summarize(<Map<String, dynamic>>[]).computeAverageFrameRasterizerTimeMillis(), isNull); |
| }); |
| |
| test('computes average frame rasterizer time in milliseconds', () { |
| expect( |
| summarize(<Map<String, dynamic>>[ |
| begin(1000), end(2000), |
| begin(3000), end(5000), |
| ]).computeAverageFrameRasterizerTimeMillis(), |
| 1.5 |
| ); |
| }); |
| |
| test('skips leading "end" events', () { |
| expect( |
| summarize(<Map<String, dynamic>>[ |
| end(1000), |
| begin(2000), end(4000), |
| ]).computeAverageFrameRasterizerTimeMillis(), |
| 2.0 |
| ); |
| }); |
| |
| test('skips trailing "begin" events', () { |
| expect( |
| summarize(<Map<String, dynamic>>[ |
| begin(2000), end(4000), |
| begin(5000), |
| ]).computeAverageFrameRasterizerTimeMillis(), |
| 2.0 |
| ); |
| }); |
| }); |
| |
| group('worst_frame_rasterizer_time_millis', () { |
| test('returns null when there is no data', () { |
| expect(summarize(<Map<String, dynamic>>[]).computeWorstFrameRasterizerTimeMillis(), isNull); |
| }); |
| |
| test('computes worst frame rasterizer time in milliseconds', () { |
| expect( |
| summarize(<Map<String, dynamic>>[ |
| begin(1000), end(2000), |
| begin(3000), end(5000), |
| ]).computeWorstFrameRasterizerTimeMillis(), |
| 2.0 |
| ); |
| expect( |
| summarize(<Map<String, dynamic>>[ |
| begin(3000), end(5000), |
| begin(1000), end(2000), |
| ]).computeWorstFrameRasterizerTimeMillis(), |
| 2.0 |
| ); |
| }); |
| |
| test('skips leading "end" events', () { |
| expect( |
| summarize(<Map<String, dynamic>>[ |
| end(1000), |
| begin(2000), end(4000), |
| ]).computeWorstFrameRasterizerTimeMillis(), |
| 2.0 |
| ); |
| }); |
| |
| test('skips trailing "begin" events', () { |
| expect( |
| summarize(<Map<String, dynamic>>[ |
| begin(2000), end(4000), |
| begin(5000), |
| ]).computeWorstFrameRasterizerTimeMillis(), |
| 2.0 |
| ); |
| }); |
| }); |
| |
| group('computeMissedFrameRasterizerBudgetCount', () { |
| test('computes the number of missed rasterizer budgets', () { |
| final TimelineSummary summary = summarize(<Map<String, dynamic>>[ |
| begin(1000), end(10000), |
| begin(11000), end(12000), |
| begin(13000), end(23000), |
| ]); |
| |
| expect(summary.computeMissedFrameRasterizerBudgetCount(), 2); |
| }); |
| }); |
| |
| group('summaryJson', () { |
| test('computes and returns summary as JSON', () { |
| expect( |
| summarize(<Map<String, dynamic>>[ |
| begin(1000), end(11000), |
| begin(11000), end(13000), |
| begin(13000), end(25000), |
| build(1000, 9000), |
| build(11000, 1000), |
| build(13000, 11000), |
| ]).summaryJson, |
| <String, dynamic>{ |
| 'average_frame_build_time_millis': 7.0, |
| 'worst_frame_build_time_millis': 11.0, |
| 'missed_frame_build_budget_count': 2, |
| 'average_frame_rasterizer_time_millis': 8.0, |
| 'worst_frame_rasterizer_time_millis': 12.0, |
| 'missed_frame_rasterizer_budget_count': 2, |
| 'frame_count': 3, |
| 'frame_build_times': <int>[9000, 1000, 11000], |
| 'frame_rasterizer_times': <int>[10000, 2000, 12000], |
| } |
| ); |
| }); |
| }); |
| |
| group('writeTimelineToFile', () { |
| |
| Directory tempDir; |
| |
| setUp(() { |
| useMemoryFileSystemForTesting(); |
| tempDir = fs.systemTempDirectory.createTempSync('flutter_driver_test'); |
| }); |
| |
| tearDown(() { |
| tempDir.deleteSync(recursive: true); |
| restoreFileSystem(); |
| }); |
| |
| test('writes timeline to JSON file', () async { |
| await summarize(<Map<String, String>>[<String, String>{'foo': 'bar'}]) |
| .writeTimelineToFile('test', destinationDirectory: tempDir.path); |
| final String written = |
| await fs.file(path.join(tempDir.path, 'test.timeline.json')).readAsString(); |
| expect(written, '{"traceEvents":[{"foo":"bar"}]}'); |
| }); |
| |
| test('writes summary to JSON file', () async { |
| await summarize(<Map<String, dynamic>>[ |
| begin(1000), end(11000), |
| begin(11000), end(13000), |
| begin(13000), end(25000), |
| build(1000, 9000), |
| build(11000, 1000), |
| build(13000, 11000), |
| ]).writeSummaryToFile('test', destinationDirectory: tempDir.path); |
| final String written = |
| await fs.file(path.join(tempDir.path, 'test.timeline_summary.json')).readAsString(); |
| expect(json.decode(written), <String, dynamic>{ |
| 'average_frame_build_time_millis': 7.0, |
| 'worst_frame_build_time_millis': 11.0, |
| 'missed_frame_build_budget_count': 2, |
| 'average_frame_rasterizer_time_millis': 8.0, |
| 'worst_frame_rasterizer_time_millis': 12.0, |
| 'missed_frame_rasterizer_budget_count': 2, |
| 'frame_count': 3, |
| 'frame_build_times': <int>[9000, 1000, 11000], |
| 'frame_rasterizer_times': <int>[10000, 2000, 12000], |
| }); |
| }); |
| }); |
| }); |
| } |