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Fix that flutter test does not understand concurrency (#125942)

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Close https://github.com/flutter/flutter/issues/125940

I will add tests if this PR looks roughly OK :)

The fix mainly mimics https://github.com/flutter/flutter/pull/115160 - just remove the default argument.

p.s. I ran into this bug when wanting to set concurrency in my dart_test.yaml for one set of my tests which I need to be executed without parallalization.
This commit is contained in:
fzyzcjy 2023-05-09 04:25:00 +08:00 committed by GitHub
parent 6b756ab5ff
commit 742a1b49e9
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3 changed files with 7 additions and 7 deletions
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8
packages/flutter_tools/lib/src/commands/test.dart
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@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:math' as math;
import 'package:meta/meta.dart';
import '../asset.dart';
@ -146,7 +144,6 @@ class TestCommand extends FlutterCommand with DeviceBasedDevelopmentArtifacts {
)
..addOption('concurrency',
abbr: 'j',
defaultsTo: math.max<int>(1, globals.platform.numberOfProcessors - 2).toString(),
help: 'The number of concurrent test processes to run. This will be ignored '
'when running integration tests.',
valueHelp: 'jobs',
@ -353,8 +350,9 @@ class TestCommand extends FlutterCommand with DeviceBasedDevelopmentArtifacts {
);
}
int? jobs = int.tryParse(stringArg('concurrency')!);
if (jobs == null || jobs <= 0 || !jobs.isFinite) {
final String? concurrencyString = stringArg('concurrency');
int? jobs = concurrencyString == null ? null : int.tryParse(concurrencyString);
if (jobs != null && (jobs <= 0 || !jobs.isFinite)) {
throwToolExit(
'Could not parse -j/--concurrency argument. It must be an integer greater than zero.'
);

3
packages/flutter_tools/lib/src/test/runner.dart
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@ -109,7 +109,8 @@ class _FlutterTestRunnerImpl implements FlutterTestRunner {
'--file-reporter=$fileReporter',
if (timeout != null)
...<String>['--timeout', timeout],
'--concurrency=$concurrency',
if (concurrency != null)
'--concurrency=$concurrency',
for (final String name in names)
...<String>['--name', name],
for (final String plainName in plainNames)

3
packages/flutter_tools/test/commands.shard/hermetic/test_test.dart
View File

@ -158,7 +158,7 @@ dev_dependencies:
});
testUsingContext(
'Confirmation that the reporter and timeout args are not set by default',
'Confirmation that the reporter, timeout, and concurrency args are not set by default',
() async {
final FakePackageTest fakePackageTest = FakePackageTest();
@ -175,6 +175,7 @@ dev_dependencies:
expect(fakePackageTest.lastArgs, isNot(contains('compact')));
expect(fakePackageTest.lastArgs, isNot(contains('--timeout')));
expect(fakePackageTest.lastArgs, isNot(contains('30s')));
expect(fakePackageTest.lastArgs, isNot(contains('--concurrency')));
}, overrides: <Type, Generator>{
FileSystem: () => fs,
ProcessManager: () => FakeProcessManager.any(),