import {
    phoneNumberValidation,
} from './phone-number.validation';

describe('phoneNumberValidation', () => {
    const runPhoneNumberValidTest = ({
        phoneNumber,
        expectedToBeValid,
    }: {
        phoneNumber: string,
        expectedToBeValid: boolean,
    }) => {
        test(`Expect ${phoneNumber} to be ${
            expectedToBeValid ? 'valid' : 'invalid'
        }`, () => {
            const result = phoneNumberValidation(phoneNumber);
            if (expectedToBeValid) {
                expect(result).toBeNull();
            } else {
                expect(result.phoneNumberValidation).toBe(true);
            }
        });
    };

    const invalidPhoneNumbers = [
        'abc',
        '12',
        '12356',
        '12a',
    ];
    invalidPhoneNumbers
        .forEach((phoneNumber) => runPhoneNumberValidTest({
            expectedToBeValid: false,
            phoneNumber,
        }));

    const validPhoneNumbers = [
        '07912312398',
        '+447912312398',
        '(0151) 336 7712',
        null,
    ];
    validPhoneNumbers
        .forEach((phoneNumber) => runPhoneNumberValidTest({
            expectedToBeValid: true,
            phoneNumber,
        }));
});