-
Notifications
You must be signed in to change notification settings - Fork 0
/
test.js
94 lines (81 loc) · 1.58 KB
/
test.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
var Parser = require('grammarjs-recursive-parser');
var assert = require('assert');
var grammar = require('./');
var fs = require('fs');
describe('semver', function(){
describe('pass', function(){
pass('1.2.3');
pass('~1.2.3');
pass('^1.2.3');
pass('>=1.2.3');
pass('>1.2.3');
pass('<=1.2.3');
pass('<1.2.3');
pass('^1.2.x');
pass('1.2.x-beta');
pass('1.2');
pass('1');
pass('1.x');
});
describe('fail', function(){
fail('1.foo');
fail('!1.2.3');
fail('-1.2.3');
fail('!1.2');
fail('-1.2');
fail('!1');
fail('-1');
});
});
/**
* Pass.
*
* @api private
*/
function pass(str, log) {
return it(str, function(){
assert.equal(compile(str, log), str);
});
}
/**
* Fail.
*
* @api private
*/
function fail(str, log) {
return it(str, function(){
assert.notEqual(compile(str, log), str);
});
}
/**
* Parse `str` to ast, then stringify back.
*
* @param {String} str
* @return {String}
*/
function compile(str, log) {
var parser = new Parser(grammar);
var ast = parser.parse(str);
if (log) console.log(JSON.stringify(ast, null, 2));
return stringify(ast);
}
/**
* For testing, it should generate the original string.
*
* @param {Token} token
* @api public
*/
function stringify(token) {
if (!token) return '';
var html = [];
if (Array.isArray(token.content)) {
token.content.forEach(function(child){
html.push(stringify(child));
});
} else if (null != token.content) {
html.push(stringify(token.content));
} else {
html.push(token);
}
return html.join('');
}