Files
30-seconds-of-code/test/isStream/isStream.test.js
Angelos Chalaris 474aaffbbf Add isStream
2018-10-01 20:12:19 +03:00

14 lines
410 B
JavaScript

const expect = require('expect');
const isStream = require('./isStream.js');
const fs = require('fs');
test('isStream is a Function', () => {
expect(isStream).toBeInstanceOf(Function);
});
test('isStream returns true for streams', () => {
expect(isStream(fs.createReadStream('isStream.js'))).toBeTruthy();
});
test('isStream returns false for non-streams', () => {
expect(isStream({})).toBeFalsy();
});