import 'reflect-metadata';

jest.mock('angular2-uuid', () => ({
    UUID: {
        UUID: jest.fn().mockReturnValue(1),
    },
}));
import { UUID } from 'angular2-uuid';

import {
    NgrxFormRadioButtonComponent,
} from './ngrx-form-radio-button.component';

const initNgrxFormRadioButtonComponent = () => {
    return new NgrxFormRadioButtonComponent();
};

describe('ngOnInit', () => {
    test('Calls UUID.UUID', () => {
        (UUID as any).UUID.mockClear();
        const ngrxFormRadioButton = initNgrxFormRadioButtonComponent();

        ngrxFormRadioButton.ngOnInit();

        expect(UUID.UUID).toHaveBeenCalledTimes(1);
    });

    test('Sets inputId to the result of UUID.UUID with a prefix', () => {
        const ngrxFormRadioButton = initNgrxFormRadioButtonComponent();

        ngrxFormRadioButton.ngOnInit();

        expect(ngrxFormRadioButton.inputId)
            .toBe('ngrx-form-radio-button-1');
    });
});