blob: a7c3640c4eaa6baecca03d842393c63cab78c7a7 [file] [log] [blame]
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
// for details. 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 'dart:io';
import 'dart:mirrors';
import 'package:path/path.dart' as pathos;
/// Gets the test directory in a way that works with package:test
/// See <> for more info.
final String testDirectory = pathos.dirname(
pathos.fromUri((reflectClass(_TestUtils).owner as LibraryMirror).uri));
/// Returns a path to the directory containing source code for packages such as
/// kernel, front_end, and analyzer.
String get packageRoot {
// If the package root directory is specified on the command line using
// -DpkgRoot=..., use it.
var pkgRootVar = const bool.hasEnvironment('pkgRoot')
? const String.fromEnvironment('pkgRoot')
: null;
if (pkgRootVar != null) {
var path = pathos.join(Directory.current.path, pkgRootVar);
if (!path.endsWith(pathos.separator)) path += pathos.separator;
return path;
// Otherwise try to guess based on the script path.
var scriptPath = pathos.fromUri(Platform.script);
var parts = pathos.split(scriptPath);
var pkgIndex = parts.indexOf('pkg');
if (pkgIndex != -1) {
return pathos.joinAll(parts.sublist(0, pkgIndex + 1)) + pathos.separator;
throw StateError('Unable to find sdk/pkg/ in $scriptPath');
/// Recursively copy the specified [src] directory (or file)
/// to the specified destination path.
Future<void> recursiveCopy(FileSystemEntity src, String dstPath) async {
if (src is Directory) {
await (Directory(dstPath)).create(recursive: true);
for (var entity in src.listSync()) {
await recursiveCopy(
entity, pathos.join(dstPath, pathos.basename(entity.path)));
} else if (src is File) {
await src.copy(dstPath);
/// Creates a temporary directory and passes its path to [fn]. Once [fn]
/// completes, the temporary directory and all its contents will be deleted.
/// Returns the return value of [fn].
Future<dynamic> withTempDirAsync(
Future<dynamic> Function(String path) fn) async {
var tempDir = (await Directory.systemTemp.createTemp('analyzer_')).path;
try {
return await fn(tempDir);
} finally {
await Directory(tempDir).delete(recursive: true);
class _TestUtils {}