@mangar2/persist/test/test.js

Persists an object in a file

/**
 * ---------------------------------------------------------------------------------------------------
 * This software is licensed under the GNU LESSER GENERAL PUBLIC LICENSE Version 3. It is furnished
 * "as is", without any support, and with no warranty, express or implied, as to its usefulness for
 * any purpose.
 *
 * File:        test.js
 *
 * Author:      Volker Böhm
 * Copyright:   Volker Böhm
 * ---------------------------------------------------------------------------------------------------
 */


'use strict'

const Persist = require('@mangar2/persist')
const UnitTest = require('@mangar2/unittest')

const persist = new Persist({ keepFiles: 3 })
const unitTest = new UnitTest(false)

async function cleanFiles () {
    await Persist.deleteOldFiles('.', 'test', 0)
}

(async () => {
    let readJSON = persist.readData('.', 'test')
    unitTest.assertEqual(readJSON, undefined, 'read not existing file')

    const test1JSON = { hello1: 'world1' }
    const test2JSON = { hello2: 'world2' }
    await cleanFiles()
    await persist.saveObjectToFile('.', 'test', test1JSON)
    readJSON = persist.readData('.', 'test')
    unitTest.assertDeepEqual(test1JSON, readJSON, 'simple read')

    await cleanFiles()
    await persist.saveObjectToFile('.', 'test', test1JSON)
    await persist.saveObjectToFile('.', 'test', test2JSON)
    readJSON = persist.readData('.', 'test')
    unitTest.assertDeepEqual(test2JSON, readJSON, 'newest file')

    unitTest.showResult()
    await cleanFiles()
})()