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add tests to ensure the sdk is well-formed (#41408)

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add tests to ensure the sdk is well-formed
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Devon Carew 2019-09-26 18:22:25 -07:00 committed by GitHub
parent ecc4764fe2
commit 1044457225
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packages/flutter_tools/test/general.shard/dart/sdk_validation_test.dart Normal file
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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:async';
import 'package:flutter_tools/src/base/file_system.dart';
import 'package:flutter_tools/src/cache.dart';
import 'package:flutter_tools/src/dart/analysis.dart';
import 'package:flutter_tools/src/dart/pub.dart';
import 'package:flutter_tools/src/dart/sdk.dart';
import 'package:meta/meta.dart';
import '../../src/common.dart';
import '../../src/context.dart';
void main() {
group('sdk validation', () {
AnalysisServer server;
Directory tempDir;
setUpAll(() {
Cache.disableLocking();
tempDir =
fs.systemTempDirectory.createTempSync('sdk_validation_test').absolute;
});
tearDownAll(() {
Cache.enableLocking();
tryToDelete(tempDir);
return server?.dispose();
});
testUsingContext('contains dart:ui', () async {
createSampleProject(tempDir, dartSource: '''
import 'dart:ui' as ui;
void main() {
// ignore: unnecessary_statements
ui.Window;
}
''');
await pubGet(context: PubContext.flutterTests, directory: tempDir.path);
server = AnalysisServer(dartSdkPath, <String>[tempDir.path]);
final int errorCount = await analyze(server);
expect(errorCount, 0);
});
testUsingContext('contains dart:html', () async {
createSampleProject(tempDir, dartSource: '''
import 'dart:html' as html;
void main() {
// ignore: unnecessary_statements
html.HttpStatus;
}
''');
await pubGet(context: PubContext.flutterTests, directory: tempDir.path);
server = AnalysisServer(dartSdkPath, <String>[tempDir.path]);
final int errorCount = await analyze(server);
expect(errorCount, 0);
});
testUsingContext('contains dart:js', () async {
createSampleProject(tempDir, dartSource: '''
import 'dart:js' as js;
void main() {
// ignore: unused_local_variable
var foo = js.allowInterop(null);
}
''');
await pubGet(context: PubContext.flutterTests, directory: tempDir.path);
server = AnalysisServer(dartSdkPath, <String>[tempDir.path]);
final int errorCount = await analyze(server);
expect(errorCount, 0);
});
testUsingContext('contains dart:js_util', () async {
createSampleProject(tempDir, dartSource: '''
import 'dart:js_util' as js_util;
void main() {
// ignore: unused_local_variable
var bar = js_util.jsify(null);
}
''');
await pubGet(context: PubContext.flutterTests, directory: tempDir.path);
server = AnalysisServer(dartSdkPath, <String>[tempDir.path]);
final int errorCount = await analyze(server);
expect(errorCount, 0);
});
});
}
void createSampleProject(Directory directory, {@required String dartSource}) {
final File pubspecFile =
fs.file(fs.path.join(directory.path, 'pubspec.yaml'));
pubspecFile.writeAsStringSync('''
name: foo_project
dependencies:
flutter:
sdk: flutter
''');
final File dartFile =
fs.file(fs.path.join(directory.path, 'lib', 'main.dart'));
dartFile.parent.createSync();
dartFile.writeAsStringSync(dartSource);
}
Future<int> analyze(AnalysisServer server, {bool printErrors = true}) async {
int errorCount = 0;
final Future<bool> onDone =
server.onAnalyzing.where((bool analyzing) => analyzing == false).first;
server.onErrors.listen((FileAnalysisErrors errors) {
if (printErrors) {
for (AnalysisError error in errors.errors) {
print(error.toString().trim());
}
}
errorCount += errors.errors.length;
});
await server.start();
await onDone;
return errorCount;
}