blob: 10815f6591fade6abbdb8c8c31569f475da93528 [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: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'));
transform.declareOutput(id.addExtension('.node_test.dart'));
}
Future apply(Transform transform) async {
var id = transform.primaryInput.id;
transform
.addOutput(new Asset.fromString(id.addExtension('.vm_test.dart'), '''
import "dart:isolate";
import "package:test/src/bootstrap/vm.dart";
import "${p.url.basename(id.path)}" as test;
void main(_, SendPort message) {
internalBootstrapVmTest(() => test.main, message);
}
'''));
transform.addOutput(
new Asset.fromString(id.addExtension('.browser_test.dart'), '''
import "package:test/src/bootstrap/browser.dart";
import "${p.url.basename(id.path)}" as test;
void main() {
internalBootstrapBrowserTest(() => test.main);
}
'''));
transform
.addOutput(new Asset.fromString(id.addExtension('.node_test.dart'), '''
import "package:test/src/bootstrap/node.dart";
import "${p.url.basename(id.path)}" as test;
void main() {
internalBootstrapNodeTest(() => test.main);
}
'''));
// If the user has their own HTML file for the test, let that take
// precedence. Otherwise, create our own basic file.
var htmlId = id.changeExtension('.html');
if (await transform.hasInput(htmlId)) return;
transform.addOutput(new Asset.fromString(htmlId, '''
<!DOCTYPE html>
<html>
<head>
<title>${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>
'''));
}
}