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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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 library visitor_test; | 5 library visitor_test; |
6 | 6 |
| 7 import 'package:csslib/src/messages.dart'; |
7 import 'package:csslib/visitor.dart'; | 8 import 'package:csslib/visitor.dart'; |
8 import 'package:test/test.dart'; | 9 import 'package:test/test.dart'; |
9 | 10 |
10 import 'testing.dart'; | 11 import 'testing.dart'; |
11 | 12 |
12 class ClassVisitor extends Visitor { | 13 class ClassVisitor extends Visitor { |
13 final List expectedClasses; | 14 final List expectedClasses; |
14 final Set<String> foundClasses = new Set(); | 15 final Set<String> foundClasses = new Set(); |
15 | 16 |
16 ClassVisitor(this.expectedClasses); | 17 ClassVisitor(this.expectedClasses); |
17 | 18 |
18 void visitClassSelector(ClassSelector node) { | 19 void visitClassSelector(ClassSelector node) { |
19 foundClasses.add(node.name); | 20 foundClasses.add(node.name); |
20 } | 21 } |
21 | 22 |
22 bool get matches { | 23 bool get matches { |
23 bool match = true; | 24 bool match = true; |
24 foundClasses.forEach((value) { | 25 foundClasses.forEach((value) { |
25 match = match && expectedClasses.contains(value); | 26 match = match && expectedClasses.contains(value); |
26 }); | 27 }); |
27 expectedClasses.forEach((value) { | 28 expectedClasses.forEach((value) { |
28 match = match && foundClasses.contains(value); | 29 match = match && foundClasses.contains(value); |
29 }); | 30 }); |
30 | 31 |
31 return match; | 32 return match; |
32 } | 33 } |
33 } | 34 } |
34 | 35 |
35 void testClassVisitors() { | 36 void testClassVisitors() { |
36 var errors = []; | 37 var errors = <Message>[]; |
37 var in1 = '.foobar { }'; | 38 var in1 = '.foobar { }'; |
38 | 39 |
39 var s = parseCss(in1, errors: errors); | 40 var s = parseCss(in1, errors: errors); |
40 | 41 |
41 expect(s != null, true); | 42 expect(s != null, true); |
42 expect(errors.isEmpty, true, reason: errors.toString()); | 43 expect(errors.isEmpty, true, reason: errors.toString()); |
43 | 44 |
44 var clsVisits = new ClassVisitor(['foobar'])..visitTree(s); | 45 var clsVisits = new ClassVisitor(['foobar'])..visitTree(s); |
45 expect(clsVisits.matches, true); | 46 expect(clsVisits.matches, true); |
46 | 47 |
47 in1 = ''' | 48 in1 = ''' |
48 .foobar1 { } | 49 .foobar1 { } |
49 .xyzzy .foo #my-div { color: red; } | 50 .xyzzy .foo #my-div { color: red; } |
50 div.hello { font: arial; } | 51 div.hello { font: arial; } |
51 '''; | 52 '''; |
52 | 53 |
53 s = parseCss(in1, errors: errors..clear(), opts: simpleOptions); | 54 s = parseCss(in1, errors: errors..clear(), opts: simpleOptions); |
54 | 55 |
55 expect(s != null, true); | 56 expect(s != null, true); |
56 expect(errors.isEmpty, true, reason: errors.toString()); | 57 expect(errors.isEmpty, true, reason: errors.toString()); |
57 | 58 |
58 clsVisits = new ClassVisitor(['foobar1', 'xyzzy', 'foo', 'hello']) | 59 clsVisits = new ClassVisitor(['foobar1', 'xyzzy', 'foo', 'hello']) |
59 ..visitTree(s); | 60 ..visitTree(s); |
60 expect(clsVisits.matches, true); | 61 expect(clsVisits.matches, true); |
61 | 62 |
62 expect(prettyPrint(s), r''' | 63 expect( |
| 64 prettyPrint(s), |
| 65 r''' |
63 .foobar1 { | 66 .foobar1 { |
64 } | 67 } |
65 .xyzzy .foo #my-div { | 68 .xyzzy .foo #my-div { |
66 color: #f00; | 69 color: #f00; |
67 } | 70 } |
68 div.hello { | 71 div.hello { |
69 font: arial; | 72 font: arial; |
70 }'''); | 73 }'''); |
71 } | 74 } |
72 | 75 |
73 class PolyfillEmitter extends CssPrinter { | 76 class PolyfillEmitter extends CssPrinter { |
74 final String _prefix; | 77 final String _prefix; |
75 | 78 |
76 PolyfillEmitter(this._prefix); | 79 PolyfillEmitter(this._prefix); |
77 | 80 |
78 void visitClassSelector(ClassSelector node) { | 81 void visitClassSelector(ClassSelector node) { |
79 emit('.${_prefix}_${node.name}'); | 82 emit('.${_prefix}_${node.name}'); |
80 } | 83 } |
81 } | 84 } |
82 | 85 |
83 String polyfillPrint(String prefix, StyleSheet ss) => | 86 String polyfillPrint(String prefix, StyleSheet ss) => |
84 (new PolyfillEmitter(prefix)..visitTree(ss, pretty: true)).toString(); | 87 (new PolyfillEmitter(prefix)..visitTree(ss, pretty: true)).toString(); |
85 | 88 |
86 void testPolyFill() { | 89 void testPolyFill() { |
87 var errors = []; | 90 var errors = <Message>[]; |
88 final input = r''' | 91 final input = r''' |
89 .foobar { } | 92 .foobar { } |
90 div.xyzzy { } | 93 div.xyzzy { } |
91 #foo .foo .bar .foobar { } | 94 #foo .foo .bar .foobar { } |
92 '''; | 95 '''; |
93 | 96 |
94 final generated = r''' | 97 final generated = r''' |
95 .myComponent_foobar { | 98 .myComponent_foobar { |
96 } | 99 } |
97 div.myComponent_xyzzy { | 100 div.myComponent_xyzzy { |
98 } | 101 } |
99 #foo .myComponent_foo .myComponent_bar .myComponent_foobar { | 102 #foo .myComponent_foo .myComponent_bar .myComponent_foobar { |
100 }'''; | 103 }'''; |
101 | 104 |
102 var s = parseCss(input, errors: errors); | 105 var s = parseCss(input, errors: errors); |
103 expect(s != null, true); | 106 expect(s != null, true); |
104 expect(errors.isEmpty, true, reason: errors.toString()); | 107 expect(errors.isEmpty, true, reason: errors.toString()); |
105 | 108 |
106 final emitted = polyfillPrint('myComponent', s); | 109 final emitted = polyfillPrint('myComponent', s); |
107 expect(emitted, generated); | 110 expect(emitted, generated); |
108 } | 111 } |
109 | 112 |
110 main() { | 113 main() { |
111 test('Class Visitors', testClassVisitors); | 114 test('Class Visitors', testClassVisitors); |
112 test('Polyfill', testPolyFill); | 115 test('Polyfill', testPolyFill); |
113 } | 116 } |
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