63 lines
1.8 KiB
JavaScript
63 lines
1.8 KiB
JavaScript
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import {describe, it, expect, afterEach} from 'vitest'
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import fs from 'fs'
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import os from 'os'
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import path from 'path'
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import {backupDatabase} from '../backup-database.js'
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const tmpDirs = []
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function makeTmpDir() {
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const dir = fs.mkdtempSync(path.join(os.tmpdir(), 'backup-database-test-'))
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tmpDirs.push(dir)
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return dir
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}
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describe('backupDatabase', () => {
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afterEach(() => {
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for (const dir of tmpDirs.splice(0)) {
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fs.rmSync(dir, {recursive: true, force: true})
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}
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})
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it("ne fait rien quand le fichier de base n'existe pas", () => {
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const root = makeTmpDir()
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const result = backupDatabase({
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dbPath: path.join(root, 'inexistant.db'),
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backupsDir: path.join(root, 'backups')
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})
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expect(result).toBeNull()
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expect(fs.existsSync(path.join(root, 'backups'))).toBe(false)
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})
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it('copie le fichier de base dans le dossier de sauvegardes', () => {
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const root = makeTmpDir()
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const dbPath = path.join(root, 'data.db')
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fs.writeFileSync(dbPath, 'contenu-de-la-base')
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const backupsDir = path.join(root, 'backups')
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const result = backupDatabase({dbPath, backupsDir})
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expect(result).not.toBeNull()
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expect(fs.existsSync(result)).toBe(true)
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expect(fs.readFileSync(result, 'utf8')).toBe('contenu-de-la-base')
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})
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it('ne conserve que les 8 sauvegardes les plus récentes', () => {
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const root = makeTmpDir()
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const dbPath = path.join(root, 'data.db')
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fs.writeFileSync(dbPath, 'contenu')
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const backupsDir = path.join(root, 'backups')
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fs.mkdirSync(backupsDir, {recursive: true})
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for (let i = 0; i < 10; i++) {
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fs.writeFileSync(path.join(backupsDir, `data-2020-01-0${i}.db`), 'ancien')
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}
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backupDatabase({dbPath, backupsDir})
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const remaining = fs.readdirSync(backupsDir).filter(name => name.startsWith('data-'))
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expect(remaining).toHaveLength(8)
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})
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})
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