sigmund@google.com
fc7a4ce392
R=blois@google.com Review URL: https://codereview.chromium.org//203723006 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@34091 260f80e4-7a28-3924-810f-c04153c831b5
60 lines
2.3 KiB
Dart
60 lines
2.3 KiB
Dart
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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/// Collection of utilities which are useful for creating unit tests for
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/// Barback transformers.
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library code_transformers.tests;
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import 'dart:async' show Future;
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import 'dart:io' show Platform;
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import 'package:barback/barback.dart' show Transformer;
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import 'package:path/path.dart' as path;
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import 'package:unittest/unittest.dart';
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import 'src/test_harness.dart';
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import 'src/dart_sdk.dart';
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/// Defines a test which invokes [applyTransformers].
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testPhases(String testName, List<List<Transformer>> phases,
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Map<String, String> inputs, Map<String, String> results,
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[List<String> messages]) {
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test(testName,
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() => applyTransformers(phases, inputs: inputs, results: results,
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messages: messages));
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}
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/// Updates the provided transformers with [inputs] as asset inputs then
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/// validates that [results] were generated.
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///
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/// The keys for inputs and results are 'package_name|lib/file.dart'.
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/// Only files which are specified in results are validated.
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///
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/// If [messages] is non-null then this will validate that only the specified
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/// messages were generated, ignoring info messages.
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Future applyTransformers(List<List<Transformer>> phases,
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{Map<String, String> inputs: const {},
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Map<String, String> results: const {},
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List<String> messages: const []}) {
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var helper = new TestHelper(phases, inputs, messages)..run();
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return helper.checkAll(results).then((_) => helper.tearDown());
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}
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/// Variant of [dartSdkDirectory] which includes additional cases only
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/// typically encountered in Dart's testing environment.
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String get testingDartSdkDirectory {
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var sdkDir = dartSdkDirectory;
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if (sdkDir == null) {
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// If we cannot find the SDK dir, then assume this is being run from Dart's
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// source directory and this script is the main script.
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var segments = path.split(path.fromUri(Platform.script));
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var index = segments.indexOf('pkg');
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expect(index, greaterThan(0),
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reason: 'testingDartSdkDirectory is only supported in pkg/ tests');
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sdkDir = path.joinAll(segments.sublist(0, index)..add('sdk'));
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}
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return sdkDir;
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}
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