Index: pkg/analyzer_cli/test/utils.dart |
diff --git a/pkg/analyzer_cli/test/utils.dart b/pkg/analyzer_cli/test/utils.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..25779ab18668b6bade22de94de3fd060b4582032 |
--- /dev/null |
+++ b/pkg/analyzer_cli/test/utils.dart |
@@ -0,0 +1,56 @@ |
+// 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. |
+ |
+library analyzer_cli.test.utils; |
+ |
+import 'dart:io'; |
+import 'dart:mirrors'; |
+ |
+import 'package:analyzer/analyzer.dart'; |
+import 'package:path/path.dart' as pathos; |
+ |
+/// Returns the string representation of the [AnalyzerErrorGroup] thrown when |
+/// parsing [contents] as a Dart file. If [contents] doesn't throw any errors, |
+/// this will return null. |
+/// |
+/// This replaces the filename in the error string with its basename, since the |
+/// full path will vary from machine to machine. It also replaces the exception |
+/// message with "..." to decouple these tests from the specific exception |
+/// messages. |
+String errorsForFile(String contents) { |
+ return withTempDir((temp) { |
+ var path = pathos.join(temp, 'test.dart'); |
+ new File(path).writeAsStringSync(contents); |
+ try { |
+ parseDartFile(path); |
+ } on AnalyzerErrorGroup catch (e) { |
+ return e.toString().replaceAllMapped( |
+ new RegExp(r"^(Error on line \d+ of )((?:[A-Z]+:)?[^:]+): .*$", |
+ multiLine: true), |
+ (match) => match[1] + pathos.basename(match[2]) + ': ...'); |
+ } |
+ return null; |
+ }); |
+} |
+ |
+/// 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]. |
+dynamic withTempDir(fn(String path)) { |
+ var tempDir = Directory.systemTemp.createTempSync('analyzer_').path; |
+ try { |
+ return fn(tempDir); |
+ } finally { |
+ new Directory(tempDir).deleteSync(recursive: true); |
+ } |
+} |
+ |
+/// Gets the test directory in a way that works with |
+/// package:test and package:unittest. |
+/// See <https://github.com/dart-lang/test/issues/110> for more info. |
+final String testDirectory = pathos.dirname( |
+ pathos.fromUri((reflectClass(_TestUtils).owner as LibraryMirror).uri)); |
+ |
+class _TestUtils {} |