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Fix flutter test --preview-dart-2 following last dart roll. (#15233)

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* Fix `flutter test --preview-dart-2`  following last dart roll.

Incremental compiler maintains single incremental dill file, so for every test compilation that dill file has to be copied away for execution.

* Fix lints
This commit is contained in:
Alexander Aprelev 2018-03-07 06:27:58 -08:00 committed by GitHub
parent 9c38d6bb35
commit c01cad3491
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 2 deletions
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16
packages/flutter_tools/lib/src/test/flutter_platform.dart
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@ -107,6 +107,14 @@ class _FlutterPlatform extends PlatformPlugin {
this.port,
this.dillFilePath,
}) : assert(shellPath != null) {
// Compiler maintains and updates single incremental dill file.
// Incremental compilation requests done for each test copy that file away
// for independent execution.
final Directory outputDillDirectory = fs.systemTempDirectory
.createTempSync('output_dill');
final File outputDill = outputDillDirectory.childFile('output.dill');
compilerController.stream.listen((CompilationRequest request) async {
final bool isEmpty = compilationQueue.isEmpty;
compilationQueue.add(request);
@ -118,9 +126,11 @@ class _FlutterPlatform extends PlatformPlugin {
final CompilationRequest request = compilationQueue.first;
printTrace('Compiling ${request.path}');
final String outputPath = await compiler.recompile(request.path,
<String>[request.path]
<String>[request.path],
outputPath: outputDill.path
);
print('Finished compilation of ${request.path} into $outputPath');
// Copy output dill next to the source file.
await outputDill.copy(request.path + '.dill');
compiler.accept();
compiler.reset();
request.result.complete(outputPath);
@ -128,6 +138,8 @@ class _FlutterPlatform extends PlatformPlugin {
compilationQueue.removeAt(0);
}
}
}, onDone: () {
outputDillDirectory.delete(recursive: true);
});
}