87 lines
2.8 KiB
Dart
87 lines
2.8 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 'dart:developer' as developer;
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import 'dart:isolate' as isolate;
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import 'package:flutter/foundation.dart';
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import 'package:flutter/scheduler.dart';
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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:vm_service/vm_service.dart';
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import 'package:vm_service/vm_service_io.dart';
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export 'package:vm_service/vm_service.dart' show TimelineEvent;
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late String isolateId;
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late VmService _vmService;
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void initTimelineTests() {
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setUpAll(() async {
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final developer.ServiceProtocolInfo info = await developer.Service.getInfo();
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if (info.serverUri == null) {
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fail('This test _must_ be run with --enable-vmservice.');
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}
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_vmService = await vmServiceConnectUri(
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'ws://localhost:${info.serverUri!.port}${info.serverUri!.path}ws',
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);
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await _vmService.setVMTimelineFlags(<String>['Dart']);
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isolateId = developer.Service.getIsolateId(isolate.Isolate.current)!;
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});
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}
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Future<List<TimelineEvent>> fetchTimelineEvents() async {
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final Timeline timeline = await _vmService.getVMTimeline();
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await _vmService.clearVMTimeline();
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return timeline.traceEvents!;
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}
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Future<List<TimelineEvent>> fetchInterestingEvents(Set<String> interestingLabels) async {
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return (await fetchTimelineEvents()).where((TimelineEvent event) {
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return interestingLabels.contains(event.json!['name']) &&
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event.json!['ph'] ==
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'B'; // "Begin" mark of events, vs E which is for the "End" mark of events.
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}).toList();
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}
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String eventToName(TimelineEvent event) => event.json!['name'] as String;
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Future<List<String>> fetchInterestingEventNames(Set<String> interestingLabels) async {
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return (await fetchInterestingEvents(interestingLabels)).map<String>(eventToName).toList();
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}
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Future<void> runFrame(VoidCallback callback) {
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final Future<void> result = SchedulerBinding.instance.endOfFrame; // schedules a frame
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callback();
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return result;
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}
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// This binding skips the zones tests. These tests were written before we
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// verified zones properly, and they have been legacied-in to avoid having
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// to refactor them.
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//
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// When creating new tests, avoid relying on this class.
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class ZoneIgnoringTestBinding extends WidgetsFlutterBinding {
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@override
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void initInstances() {
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super.initInstances();
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_instance = this;
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}
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@override
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bool debugCheckZone(String entryPoint) {
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return true;
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}
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static ZoneIgnoringTestBinding get instance => BindingBase.checkInstance(_instance);
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static ZoneIgnoringTestBinding? _instance;
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static ZoneIgnoringTestBinding ensureInitialized() {
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if (ZoneIgnoringTestBinding._instance == null) {
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ZoneIgnoringTestBinding();
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}
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return ZoneIgnoringTestBinding.instance;
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}
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}
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