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
|
'use strict'
const t = require('../')
const Snapshot = require('../lib/snapshot.js')
const rimraf = require('rimraf')
const mkdirp = require('mkdirp')
const path = require('path')
const dir = path.resolve(__dirname, 'snapshot')
const fs = require('fs')
t.test('cleanup first', t => {
rimraf.sync(dir)
mkdirp.sync(dir)
process.chdir(dir)
t.end()
})
t.test('actual test', t => {
t.comment('not using subtests, because snapshots are per-test')
t.test('checking snapshot without creating throws', t => {
const s = new Snapshot(t)
t.throws(_ => s.read('asdf', 'asdf'))
t.end()
})
const s = new Snapshot(t)
t.comment('create some snapshots')
s.snap(fs.readFileSync(__filename, 'utf8'), 'this file')
s.snap('this is fine', 'a statement of acceptance')
s.save()
t.comment('now check that the snapshots are valid')
const ss = new Snapshot(t)
t.equal(fs.readFileSync(__filename, 'utf8'), ss.read('this file'))
t.equal('this is fine', ss.read('a statement of acceptance'))
t.throws(_ => ss.read('this is not in the file'))
t.comment('saving without snapping anything removes the file')
const sss = new Snapshot(t)
sss.save()
t.throws(_ => fs.statSync(sss.file), 'file is gone')
t.end()
})
t.test('cleanup after', t => {
rimraf.sync(dir)
process.chdir(__dirname)
t.end()
})
|
