blob: c89b41667ad926fba647a7c39d76cf28ccbaa65b [file] [log] [blame]
// Copyright (c) 2012, 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.
/** Common definitions used for setting up the test environment. */
library testing;
import 'dart:async';
import 'dart:io';
import 'package:csslib/visitor.dart';
import 'package:html5lib/dom.dart';
import 'package:html5lib/parser.dart';
import 'package:polymer/src/analyzer.dart';
import 'package:polymer/src/compiler.dart';
import 'package:polymer/src/file_system.dart';
import 'package:polymer/src/info.dart';
import 'package:polymer/src/messages.dart';
import 'package:polymer/src/compiler_options.dart';
import 'package:polymer/src/files.dart';
import 'package:polymer/src/utils.dart';
Document parseDocument(String html) => parse(html);
Element parseSubtree(String html) => parseFragment(html).nodes[0];
FileInfo analyzeDefinitionsInTree(Document doc, Messages messages,
{String packageRoot: 'packages'}) {
return analyzeDefinitions(new GlobalInfo(), new UrlInfo('', '', null),
doc, packageRoot, messages);
/** Parses files in [fileContents], with [mainHtmlFile] being the main file. */
List<SourceFile> parseFiles(Map<String, String> fileContents,
[String mainHtmlFile = 'index.html']) {
var result = <SourceFile>[];
fileContents.forEach((filename, contents) {
var src = new SourceFile(filename);
src.document = parse(contents);
return result;
/** Analyze all files. */
Map<String, FileInfo> analyzeFiles(List<SourceFile> files,
{Messages messages, String packageRoot: 'packages'}) {
messages = messages == null ? new Messages.silent() : messages;
var result = new Map<String, FileInfo>();
// analyze definitions
var global = new GlobalInfo();
for (var file in files) {
var path = file.path;
result[path] = analyzeDefinitions(global, new UrlInfo(path, path, null),
file.document, packageRoot, messages);
// analyze file contents
var uniqueIds = new IntIterator();
var pseudoElements = new Map();
for (var file in files) {
analyzeFile(file, result, uniqueIds, pseudoElements, messages, true);
return result;
Compiler createCompiler(Map files, Messages messages, {bool errors: false,
bool scopedCss: false}) {
List baseOptions = ['--no-colors', '-o', 'out', '--deploy', 'index.html'];
if (errors) baseOptions.insert(0, '--warnings_as_errors');
if (scopedCss) baseOptions.insert(0, '--scoped-css');
var options = CompilerOptions.parse(baseOptions);
var fs = new MockFileSystem(files);
return new Compiler(fs, options, messages);
String prettyPrintCss(StyleSheet styleSheet) =>
((new CssPrinter())..visitTree(styleSheet)).toString();
* Abstraction around file system access to work in a variety of different
* environments.
class MockFileSystem extends FileSystem {
final Map _files;
final Map readCount = {};
Future readTextOrBytes(String filename) => readText(filename);
Future<String> readText(String path) {
readCount[path] = readCount.putIfAbsent(path, () => 0) + 1;
var file = _files[path];
if (file != null) {
return new Future.value(file);
} else {
return new Future.error(
new FileException('MockFileSystem: $path not found'));
// Compiler doesn't call these
void writeString(String outfile, String text) {}
Future flush() {}