const assert = require('assert'); const data = require('../fixtures/arrayData') const json2xls = require('../../src') describe('generate-xls', () => { it('check binary', async () => { const xlsBinary = await json2xls(data) assert.ok(xlsBinary.slice(0, 2) === 'PK') //await fs.writeFile('data.xlsx', xlsBinary, 'binary'); }) it('check base64', async () => { const xlsBase64 = await json2xls(data, { output: 'base64' }) assert.ok(xlsBase64 === Buffer.from(xlsBase64, 'base64').toString('base64')) //await fs.writeFile('data.xlsx', xlsBinary, 'binary'); }) })