kevmoo@j832.com
b481cfa8a6
R=terry@google.com Review URL: https://codereview.chromium.org//60983003 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@30480 260f80e4-7a28-3924-810f-c04153c831b5
70 lines
2.5 KiB
Dart
70 lines
2.5 KiB
Dart
// 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 'package:csslib/parser.dart';
|
|
import 'package:csslib/visitor.dart';
|
|
import 'package:csslib/src/messages.dart';
|
|
|
|
void useMockMessages() {
|
|
messages = new Messages(printHandler: (message) {});
|
|
}
|
|
|
|
/**
|
|
* Spin-up CSS parser in checked mode to detect any problematic CSS. Normally,
|
|
* CSS will allow any property/value pairs regardless of validity; all of our
|
|
* tests (by default) will ensure that the CSS is really valid.
|
|
*/
|
|
StyleSheet parseCss(String cssInput, {List<Message> errors,
|
|
List<String> opts}) =>
|
|
parse(cssInput, errors: errors, options: opts == null ?
|
|
['--no-colors', '--checked', '--warnings_as_errors', 'memory'] : opts);
|
|
|
|
/**
|
|
* Spin-up CSS parser in checked mode to detect any problematic CSS. Normally,
|
|
* CSS will allow any property/value pairs regardless of validity; all of our
|
|
* tests (by default) will ensure that the CSS is really valid.
|
|
*/
|
|
StyleSheet compileCss(String cssInput, {List<Message> errors, List<String> opts,
|
|
bool polyfill: false, List<StyleSheet> includes: null}) =>
|
|
compile(cssInput, errors: errors, options: opts == null ?
|
|
['--no-colors', '--checked', '--warnings_as_errors', 'memory'] : opts,
|
|
polyfill: polyfill, includes: includes);
|
|
|
|
StyleSheet polyFillCompileCss(input, {List<Message> errors,
|
|
List<String> opts}) =>
|
|
compileCss(input, errors: errors, polyfill: true, opts: opts);
|
|
|
|
/** CSS emitter walks the style sheet tree and emits readable CSS. */
|
|
final _emitCss = new CssPrinter();
|
|
|
|
/** Simple Visitor does nothing but walk tree. */
|
|
final _cssVisitor = new Visitor();
|
|
|
|
/** Pretty printer for CSS. */
|
|
String prettyPrint(StyleSheet ss) {
|
|
// Walk the tree testing basic Vistor class.
|
|
walkTree(ss);
|
|
return (_emitCss..visitTree(ss, pretty: true)).toString();
|
|
}
|
|
|
|
/**
|
|
* Helper function to emit compact (non-pretty printed) CSS for suite test
|
|
* comparsions. Spaces, new lines, etc. are reduced for easier comparsions of
|
|
* expected suite test results.
|
|
*/
|
|
String compactOuptut(StyleSheet ss) {
|
|
walkTree(ss);
|
|
return (_emitCss..visitTree(ss, pretty: false)).toString();
|
|
}
|
|
|
|
/** Walks the style sheet tree does nothing; insures the basic walker works. */
|
|
void walkTree(StyleSheet ss) {
|
|
_cssVisitor..visitTree(ss);
|
|
}
|
|
|
|
String dumpTree(StyleSheet ss) => treeToDebugString(ss);
|