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Add package config URI into VM test entrypoints #2245

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merged 8 commits into from
Jun 27, 2024
Merged

Add package config URI into VM test entrypoints #2245

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63cfcbb
Add package config URI into VM test entrypoints
natebosch Jun 14, 2024
9bb4a2c
Add to precompiled tests
natebosch Jun 17, 2024
7262095
Move to a shared utility
natebosch Jun 17, 2024
692d9dd
Fix the doc comment
natebosch Jun 17, 2024
dcf2998
Don't conflate arguments between templates
natebosch Jun 17, 2024
c7f702b
Review changes
natebosch Jun 26, 2024
27ad950
Add a test
natebosch Jun 27, 2024
b506e9c
Rerun monorepo
natebosch Jun 27, 2024
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43 changes: 12 additions & 31 deletions pkgs/test_core/lib/src/runner/vm/platform.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -299,8 +299,12 @@ stderr: ${processResult.stderr}''');
if (!file.existsSync()) {
file
..createSync(recursive: true)
..writeAsStringSync(_bootstrapIsolateTestContents(
await absoluteUri(testPath), languageVersionComment));
..writeAsStringSync(testBootstrapContents(
testUri: await absoluteUri(testPath),
languageVersionComment: languageVersionComment,
packageConfigUri: await packageConfigUri,
testType: VmTestType.isolate,
));
}
return file.uri;
}
Expand All @@ -316,40 +320,17 @@ stderr: ${processResult.stderr}''');
if (!file.existsSync()) {
file
..createSync(recursive: true)
..writeAsStringSync(_bootstrapNativeTestContents(
await absoluteUri(testPath), languageVersionComment));
..writeAsStringSync(testBootstrapContents(
testUri: await absoluteUri(testPath),
languageVersionComment: languageVersionComment,
packageConfigUri: await packageConfigUri,
testType: VmTestType.process,
));
}
return file.path;
}
}

/// Creates bootstrap file contents for running [testUri] in a VM isolate.
String _bootstrapIsolateTestContents(
Uri testUri, String languageVersionComment) =>
'''
$languageVersionComment
import "dart:isolate";
import "package:test_core/src/bootstrap/vm.dart";
import "$testUri" as test;
void main(_, SendPort sendPort) {
internalBootstrapVmTest(() => test.main, sendPort);
}
''';

/// Creates bootstrap file contents for running [testUri] as a native
/// executable.
String _bootstrapNativeTestContents(
Uri testUri, String languageVersionComment) =>
'''
$languageVersionComment
import "dart:isolate";
import "package:test_core/src/bootstrap/vm.dart";
import "$testUri" as test;
void main(List<String> args) {
internalBootstrapNativeTest(() => test.main, args);
}
''';

Future<Map<String, dynamic>> _gatherCoverage(Environment environment) async {
final isolateId = Uri.parse(environment.observatoryUrl!.fragment)
.queryParameters['isolateId'];
Expand Down
57 changes: 41 additions & 16 deletions pkgs/test_core/lib/src/runner/vm/test_compiler.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -85,21 +85,6 @@ class _TestCompilerForLanguageVersion {
: _dillCachePath = '$dillCachePrefix.'
'${_dillCacheSuffix(_languageVersionComment, enabledExperiments)}';

String _generateEntrypoint(Uri testUri) {
return '''
$_languageVersionComment
import "dart:isolate";

import "package:test_core/src/bootstrap/vm.dart";

import "$testUri" as test;

void main(_, SendPort sendPort) {
internalBootstrapVmTest(() => test.main, sendPort);
}
''';
}

Future<CompilationResponse> compile(Uri mainUri) =>
_compilePool.withResource(() => _compile(mainUri));

Expand All @@ -108,7 +93,12 @@ class _TestCompilerForLanguageVersion {
if (_closeMemo.hasRun) return CompilationResponse._wasShutdown;
CompileResult? compilerOutput;
final tempFile = File(p.join(_outputDillDirectory.path, 'test.dart'))
..writeAsStringSync(_generateEntrypoint(mainUri));
..writeAsStringSync(testBootstrapContents(
testUri: mainUri,
packageConfigUri: await packageConfigUri,
languageVersionComment: _languageVersionComment,
testType: VmTestType.isolate,
));
final testCache = File(_dillCachePath);

try {
Expand Down Expand Up @@ -211,3 +201,38 @@ String _dillCacheSuffix(
}
return base64.encode(utf8.encode(identifierString.toString()));
}

/// Creates bootstrap file contents for running [testUri].
///
/// The [bootstrapType] argument should be either 'Vm' or 'Native' depending on
/// which `internalBootstrap*Test` function should be used.
String testBootstrapContents({
required Uri testUri,
required String languageVersionComment,
required Uri packageConfigUri,
required VmTestType testType,
}) {
final (mainArgs, forwardedArgName, bootstrapType) = switch (testType) {
VmTestType.isolate => ('_, SendPort sendPort', 'sendPort', 'Vm'),
VmTestType.process => ('List<String> args', 'args', 'Native'),
};
return '''
$languageVersionComment

import 'dart:isolate';

import 'package:test_core/src/bootstrap/vm.dart';

import '$testUri' as test;

// This variable is read at runtime through the VM service and is unsafe to
// remove.
const packageConfigLocation = '$packageConfigUri';

void main($mainArgs) {
internalBootstrap${bootstrapType}Test(() => test.main, $forwardedArgName);
}
''';
}

enum VmTestType { isolate, process }
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