-
Notifications
You must be signed in to change notification settings - Fork 0
/
output-validator.js
51 lines (40 loc) · 1.3 KB
/
output-validator.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
'use strict'
import OutputValidationRule from './output-validation-rule.js'
import assert from 'assert'
function OutputValidator (output) {
assert.equal('object', typeof output, 'spec.validate.output must be an object')
this.rules = OutputValidator.tokenizeRules(output)
OutputValidator.assertNoOverlappingStatusRules(this.rules)
this.output = output
}
OutputValidator.tokenizeRules = function tokenizeRules (output) {
function createRule (status) {
return new OutputValidationRule(status, output[status])
}
return Object.keys(output).map(createRule)
}
OutputValidator.assertNoOverlappingStatusRules =
function assertNoOverlappingStatusRules (rules) {
for (let i = 0; i < rules.length; ++i) {
const ruleA = rules[i]
for (let j = 0; j < rules.length; ++j) {
if (i === j) {
continue
}
const ruleB = rules[j]
if (ruleA.overlaps(ruleB)) {
throw new Error('Output validation rules may not overlap: ' + ruleA + ' <=> ' + ruleB)
}
}
}
}
OutputValidator.prototype.validate = function (ctx) {
assert(ctx, 'missing request context!')
for (let i = 0; i < this.rules.length; ++i) {
const rule = this.rules[i]
if (rule.matches(ctx)) {
return rule.validateOutput(ctx)
}
}
}
export default OutputValidator