const fs = require('fs-extra') const path = require('path') const { execSync } = require('child_process') beforeEach(() => { fs.emptyDirSync('tests/__data__/output') fs.mkdirSync('tests/__data__/output/database') fs.copyFileSync( 'tests/__data__/input/database/db_clear.streams.db', 'tests/__data__/output/database/streams.db' ) const stdout = execSync( 'DB_DIR=tests/__data__/output/database npm run db:clear -- --threshold 7', { encoding: 'utf8' } ) }) it('can clear database', () => { let output = content('tests/__data__/output/database/streams.db') let expected = content('tests/__data__/expected/database/db_clear.streams.db') output = output.map(i => { i._id = null return i }) expected = expected.map(i => { i._id = null return i }) expect(output).toMatchObject(expected) }) function content(filepath) { const data = fs.readFileSync(path.resolve(filepath), { encoding: 'utf8' }) return data .split('\n') .filter(l => l) .map(l => { return JSON.parse(l) }) }