| // 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:convert'; |
| |
| import 'package:barback/barback.dart'; |
| import 'package:path/path.dart' as p; |
| |
| /// A transformer that injects bootstrapping code used by the test runner to run |
| /// tests against a "pub serve" instance. |
| /// |
| /// This doesn't modify existing code at all, it just adds wrapper files that |
| /// can be used to load isolates or iframes. |
| class PubServeTransformer extends Transformer implements DeclaringTransformer { |
| final allowedExtensions = ".dart"; |
| |
| PubServeTransformer.asPlugin(); |
| |
| void declareOutputs(DeclaringTransform transform) { |
| var id = transform.primaryId; |
| transform.declareOutput(id.addExtension('.vm_test.dart')); |
| transform.declareOutput(id.addExtension('.browser_test.dart')); |
| } |
| |
| Future apply(Transform transform) async { |
| var id = transform.primaryInput.id; |
| |
| transform.addOutput( |
| new Asset.fromString(id.addExtension('.vm_test.dart'), ''' |
| import "package:test/src/backend/metadata.dart"; |
| import "package:test/src/runner/vm/isolate_listener.dart"; |
| |
| import "${p.url.basename(id.path)}" as test; |
| |
| void main(_, Map message) { |
| var sendPort = message['reply']; |
| var metadata = new Metadata.deserialize(message['metadata']); |
| IsolateListener.start(sendPort, metadata, () => test.main); |
| } |
| ''')); |
| |
| transform.addOutput( |
| new Asset.fromString(id.addExtension('.browser_test.dart'), ''' |
| import "package:test/src/runner/browser/iframe_listener.dart"; |
| |
| import "${p.url.basename(id.path)}" as test; |
| |
| void main() { |
| IframeListener.start(() => test.main); |
| } |
| ''')); |
| |
| // If the user has their own HTML file for the test, let that take |
| // precedence. Otherwise, create our own basic file. |
| var htmlId = id.changeExtension('.html'); |
| if (await transform.hasInput(htmlId)) return; |
| |
| transform.addOutput( |
| new Asset.fromString(htmlId, ''' |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>${HTML_ESCAPE.convert(id.path)} Test</title> |
| <link rel="x-dart-test" href="${HTML_ESCAPE.convert(p.url.basename(id.path))}"> |
| <script src="packages/test/dart.js"></script> |
| </head> |
| </html> |
| ''')); |
| } |
| } |
