Helpers-test.js

/**
 * Installed `jest`, `jest-cli`; ran test with `--no-watchman`
 */

describe('Helpers', function() {
    jest.autoMockOff();
    var Helpers = require('../helpers');
    describe('isFloat', function() {
        it('has isFloat as an export', function() {
            expect(Helpers.isFloat).not.toBeNull();
        });
        var isFloat = Helpers.isFloat;
        it('returns false on strings', function() {
            expect(isFloat('test')).toBe(false);
        });
        it('returns true on float', function() {
            expect(isFloat(0.1)).toBe(true);
        })
        it('returns false on not-float', function() {
            expect(isFloat(1)).toBe(false);
        })
    });
});