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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 /** Common definitions used for setting up the test environment. */ | 5 /** Common definitions used for setting up the test environment. */ |
6 library testing; | 6 library testing; |
7 | 7 |
8 import 'package:csslib/parser.dart'; | 8 import 'package:csslib/parser.dart'; |
9 import 'package:csslib/visitor.dart'; | 9 import 'package:csslib/visitor.dart'; |
10 import 'package:csslib/src/messages.dart'; | 10 import 'package:csslib/src/messages.dart'; |
11 | 11 |
12 useMockMessages() { | 12 void useMockMessages() { |
13 messages = new Messages(printHandler: (message) {}); | 13 messages = new Messages(printHandler: (message) {}); |
14 } | 14 } |
15 | 15 |
16 /** | 16 /** |
17 * Spin-up CSS parser in checked mode to detect any problematic CSS. Normally, | 17 * Spin-up CSS parser in checked mode to detect any problematic CSS. Normally, |
18 * CSS will allow any property/value pairs regardless of validity; all of our | 18 * CSS will allow any property/value pairs regardless of validity; all of our |
19 * tests (by default) will ensure that the CSS is really valid. | 19 * tests (by default) will ensure that the CSS is really valid. |
20 */ | 20 */ |
21 StyleSheet parseCss(String cssInput, {List errors, List opts}) => | 21 StyleSheet parseCss(String cssInput, {List errors, List opts}) => |
22 parse(cssInput, errors: errors, options: opts == null ? | 22 parse(cssInput, errors: errors, options: opts == null ? |
23 ['--no-colors', '--checked', '--warnings_as_errors', 'memory'] : opts); | 23 ['--no-colors', '--checked', '--warnings_as_errors', 'memory'] : opts); |
24 | 24 |
25 /** | 25 /** |
26 * Spin-up CSS parser in checked mode to detect any problematic CSS. Normally, | 26 * Spin-up CSS parser in checked mode to detect any problematic CSS. Normally, |
27 * CSS will allow any property/value pairs regardless of validity; all of our | 27 * CSS will allow any property/value pairs regardless of validity; all of our |
28 * tests (by default) will ensure that the CSS is really valid. | 28 * tests (by default) will ensure that the CSS is really valid. |
29 */ | 29 */ |
30 StyleSheet compileCss(String cssInput, {List errors, List opts, | 30 StyleSheet compileCss(String cssInput, {List errors, List opts, |
31 bool polyfill: false, List<StyleSheet> includes: null}) => | 31 bool polyfill: false, List<StyleSheet> includes: null}) => |
32 compile(cssInput, errors: errors, options: opts == null ? | 32 compile(cssInput, errors: errors, options: opts == null ? |
33 ['--no-colors', '--checked', '--warnings_as_errors', 'memory'] : opts, | 33 ['--no-colors', '--checked', '--warnings_as_errors', 'memory'] : opts, |
34 polyfill: polyfill, includes: includes); | 34 polyfill: polyfill, includes: includes); |
35 | 35 |
36 StyleSheet polyFillCompileCss(input, {List errors, List opts}) => | 36 StyleSheet polyFillCompileCss(input, {List errors, List opts}) => |
37 compileCss(input, errors: errors, polyfill: true, opts: opts); | 37 compileCss(input, errors: errors, polyfill: true, opts: opts); |
38 | 38 |
39 /** CSS emitter walks the style sheet tree and emits readable CSS. */ | 39 /** CSS emitter walks the style sheet tree and emits readable CSS. */ |
40 var _emitCss = new CssPrinter(); | 40 final _emitCss = new CssPrinter(); |
41 | 41 |
42 /** Simple Visitor does nothing but walk tree. */ | 42 /** Simple Visitor does nothing but walk tree. */ |
43 var _cssVisitor = new Visitor(); | 43 final _cssVisitor = new Visitor(); |
44 | 44 |
45 /** Pretty printer for CSS. */ | 45 /** Pretty printer for CSS. */ |
46 String prettyPrint(StyleSheet ss) { | 46 String prettyPrint(StyleSheet ss) { |
47 // Walk the tree testing basic Vistor class. | 47 // Walk the tree testing basic Vistor class. |
48 walkTree(ss); | 48 walkTree(ss); |
49 return (_emitCss..visitTree(ss, pretty: true)).toString(); | 49 return (_emitCss..visitTree(ss, pretty: true)).toString(); |
50 } | 50 } |
51 | 51 |
52 /** | 52 /** |
53 * Helper function to emit compact (non-pretty printed) CSS for suite test | 53 * Helper function to emit compact (non-pretty printed) CSS for suite test |
54 * comparsions. Spaces, new lines, etc. are reduced for easier comparsions of | 54 * comparsions. Spaces, new lines, etc. are reduced for easier comparsions of |
55 * expected suite test results. | 55 * expected suite test results. |
56 */ | 56 */ |
57 String compactOuptut(StyleSheet ss) { | 57 String compactOuptut(StyleSheet ss) { |
58 walkTree(ss); | 58 walkTree(ss); |
59 return (_emitCss..visitTree(ss, pretty: false)).toString(); | 59 return (_emitCss..visitTree(ss, pretty: false)).toString(); |
60 } | 60 } |
61 | 61 |
62 /** Walks the style sheet tree does nothing; insures the basic walker works. */ | 62 /** Walks the style sheet tree does nothing; insures the basic walker works. */ |
63 void walkTree(StyleSheet ss) { | 63 void walkTree(StyleSheet ss) { |
64 _cssVisitor..visitTree(ss); | 64 _cssVisitor..visitTree(ss); |
65 } | 65 } |
66 | 66 |
67 String dumpTree(StyleSheet ss) => treeToDebugString(ss); | 67 String dumpTree(StyleSheet ss) => treeToDebugString(ss); |
68 | |
69 | |
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