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Add --preview-dart-2 relaunch test. (#15117)

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* Add a test that measures/verifies start from warm state(app was previously compiled).

* Remove json file from the first run.
This commit is contained in:
Alexander Aprelev 2018-03-06 14:33:26 -08:00 committed by GitHub
parent 85412d8b7c
commit 758b302c8d
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 91 additions and 39 deletions
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130
dev/devicelab/lib/tasks/hot_mode_tests.dart
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@ -29,6 +29,8 @@ TaskFunction createHotModeTest({ bool isPreviewDart2: false }) {
options.add('--preview-dart-2');
setLocalEngineOptionIfNecessary(options);
int hotReloadCount = 0;
Map<String, dynamic> twoReloadsData;
Map<String, dynamic> freshRestartReloadsData;
await inDirectory(flutterDirectory, () async {
rmTree(_editedFlutterGalleryDir);
mkdirs(_editedFlutterGalleryDir);
@ -36,52 +38,100 @@ TaskFunction createHotModeTest({ bool isPreviewDart2: false }) {
await inDirectory(_editedFlutterGalleryDir, () async {
if (deviceOperatingSystem == DeviceOperatingSystem.ios)
await prepareProvisioningCertificates(_editedFlutterGalleryDir.path);
{
final Process process = await startProcess(
path.join(flutterDirectory.path, 'bin', 'flutter'),
<String>['run']..addAll(options),
environment: null
);
final Process process = await startProcess(
path.join(flutterDirectory.path, 'bin', 'flutter'),
<String>['run']..addAll(options),
environment: null
);
final Completer<Null> stdoutDone = new Completer<Null>();
final Completer<Null> stderrDone = new Completer<Null>();
process.stdout
.transform(UTF8.decoder)
.transform(const LineSplitter())
.listen((String line) {
if (line.contains('\] Reloaded ')) {
if (hotReloadCount == 0) {
// Update the file and reload again.
final File appDartSource = file(path.join(
_editedFlutterGalleryDir.path, 'lib/gallery/app.dart'
));
appDartSource.writeAsStringSync(
appDartSource.readAsStringSync().replaceFirst(
"'Flutter Gallery'", "'Updated Flutter Gallery'"
)
);
process.stdin.writeln('r');
++hotReloadCount;
} else {
// Quit after second hot reload.
process.stdin.writeln('q');
}
}
print('stdout: $line');
}, onDone: () {
stdoutDone.complete();
});
process.stderr
.transform(UTF8.decoder)
.transform(const LineSplitter())
.listen((String line) {
print('stderr: $line');
}, onDone: () {
stderrDone.complete();
});
final Completer<Null> stdoutDone = new Completer<Null>();
final Completer<Null> stderrDone = new Completer<Null>();
process.stdout
.transform(UTF8.decoder)
.transform(const LineSplitter())
.listen((String line) {
if (line.contains('\] Reloaded ')) {
if (hotReloadCount == 0) {
// Update the file and reload again.
final File appDartSource = file(path.join(
_editedFlutterGalleryDir.path, 'lib/gallery/app.dart'
));
appDartSource.writeAsStringSync(
appDartSource.readAsStringSync().replaceFirst(
"'Flutter Gallery'", "'Updated Flutter Gallery'"
)
);
process.stdin.writeln('r');
++hotReloadCount;
} else {
// Quit after second hot reload.
await Future.wait<Null>(
<Future<Null>>[stdoutDone.future, stderrDone.future]);
await process.exitCode;
twoReloadsData = JSON.decode(benchmarkFile.readAsStringSync());
}
benchmarkFile.deleteSync();
// start `flutter run` again to make sure it loads from the previous state
// (in case of --preview-dart-2 frontend loads up from previously generated kernel files).
{
final Process process = await startProcess(
path.join(flutterDirectory.path, 'bin', 'flutter'),
<String>['run']..addAll(options),
environment: null
);
final Completer<Null> stdoutDone = new Completer<Null>();
final Completer<Null> stderrDone = new Completer<Null>();
process.stdout
.transform(UTF8.decoder)
.transform(const LineSplitter())
.listen((String line) {
if (line.contains('\] Reloaded ')) {
process.stdin.writeln('q');
}
}
print('stdout: $line');
}, onDone: () { stdoutDone.complete(); });
process.stderr
.transform(UTF8.decoder)
.transform(const LineSplitter())
.listen((String line) {
print('stderr: $line');
}, onDone: () { stderrDone.complete(); });
print('stdout: $line');
}, onDone: () {
stdoutDone.complete();
});
process.stderr
.transform(UTF8.decoder)
.transform(const LineSplitter())
.listen((String line) {
print('stderr: $line');
}, onDone: () {
stderrDone.complete();
});
await Future.wait<Null>(<Future<Null>>[stdoutDone.future, stderrDone.future]);
return await process.exitCode;
await Future.wait<Null>(
<Future<Null>>[stdoutDone.future, stderrDone.future]);
await process.exitCode;
freshRestartReloadsData =
JSON.decode(benchmarkFile.readAsStringSync());
}
});
});
final Map<String, dynamic> twoReloadsData = JSON.decode(
benchmarkFile.readAsStringSync());
return new TaskResult.success(
<String, dynamic> {
'hotReloadInitialDevFSSyncMilliseconds': twoReloadsData['hotReloadInitialDevFSSyncMilliseconds'][0],
@ -93,6 +143,7 @@ TaskFunction createHotModeTest({ bool isPreviewDart2: false }) {
'hotReloadDevFSSyncMillisecondsAfterChange': twoReloadsData['hotReloadDevFSSyncMilliseconds'][1],
'hotReloadFlutterReassembleMillisecondsAfterChange': twoReloadsData['hotReloadFlutterReassembleMilliseconds'][1],
'hotReloadVMReloadMillisecondsAfterChange': twoReloadsData['hotReloadVMReloadMilliseconds'][1],
'hotReloadInitialDevFSSyncAfterRelaunchMilliseconds' : freshRestartReloadsData['hotReloadInitialDevFSSyncMilliseconds'][0],
},
benchmarkScoreKeys: <String>[
'hotReloadInitialDevFSSyncMilliseconds',
@ -104,6 +155,7 @@ TaskFunction createHotModeTest({ bool isPreviewDart2: false }) {
'hotReloadDevFSSyncMillisecondsAfterChange',
'hotReloadFlutterReassembleMillisecondsAfterChange',
'hotReloadVMReloadMillisecondsAfterChange',
'hotReloadInitialDevFSSyncAfterRelaunchMilliseconds',
]
);
};