Files
30-seconds-of-code/test/isPromiseLike/isPromiseLike.test.js
2018-06-18 17:31:56 +03:00

17 lines
431 B
JavaScript

const expect = require('expect');
const isPromiseLike = require('./isPromiseLike.js');
test('isPromiseLike is a Function', () => {
expect(isPromiseLike).toBeInstanceOf(Function);
});
test('Returns true for a promise-like object', () => {
expect(isPromiseLike({
then: function() {
return '';
}
})).toBeTruthy();
});
test('Returns false for an empty object', () => {
expect(isPromiseLike({})).toBeFalsy();
});