const expect = require('expect');
const arrayToCSV = require('./arrayToCSV.js');

test('arrayToCSV is a Function', () => {
  expect(arrayToCSV).toBeInstanceOf(Function);
});
test('arrayToCSV works with default delimiter', () => {
  expect(arrayToCSV([['a','b'],['c','d']])).toBe('a,b\nc,d');
});
test('arrayToCSV works with custom delimiter', () => {
  expect(arrayToCSV([['a','b'],['c','d']], ';')).toBe('a;b\nc;d');
});