test/validation/helpers/isValid.js
import expect from 'expect';
import isValid from '../../../src/validation/helpers/isValid';
describe('roc', () => {
describe('validation helpers', () => {
describe('isValid', () => {
it('should run the validator on the value if a function', () => {
const spy = expect.createSpy();
isValid('value', spy);
expect(spy).toHaveBeenCalledWith('value');
});
it('should return true if value match the RegExp', () => {
expect(isValid('value', /\w/))
.toBe(true);
});
it('should return error message if value does NOT match the RegExp', () => {
expect(isValid('value', /\d/))
.toBeA('string');
});
it('should throw if validator is defined but not a function or RegExp', () => {
expect(() => isValid('value', 2))
.toThrow();
});
it('should return true if validator is undefined', () => {
expect(isValid('value'))
.toBe(true);
});
});
});
});