import { required, regex } from '@/helpers/validation-rules';

describe('validation-rules.vue', () => {
    test('required rules should return error if value missing', () => {
    // Arrange
        const testFn = required('an error');

        // Act
        const testResponse = testFn();

        // Assert
        expect(testResponse).toBe('an error');
    });

    test('required rules should return true if value present', () => {
        // Arrange
        const testFn = required('an error');

        // Act
        const testResponse = testFn('some value');

        // Assert
        expect(testResponse).toBe(true);
    });

    test('regex rules should return true if value is not present', () => {
        // Arrange
        const testFn = regex(/(^\d{5}$)|(^\d{5}-\d{4}$)/, 'an error'); // Using Zip regex

        // Act
        const testResponse = testFn();

        // Assert
        expect(testResponse).toBe(true);
    });

    test('regex rules should return false if value is present but does not match regular expression', () => {
        // Arrange
        const testFn = regex(/(^\d{5}$)|(^\d{5}-\d{4}$)/, 'an error'); // Using Zip regex

        // Act
        const testResponse = testFn('4321'); // needs to be 5 numbers

        // Assert
        expect(testResponse).toBe('an error');
    });

    test('regex rules should return true if value is present and does match regular expression', () => {
        // Arrange
        const testFn = regex(/(^\d{5}$)|(^\d{5}-\d{4}$)/, 'an error'); // Using Zip regex

        // Act
        const testResponse = testFn('43213'); // needs to be 5 numbers

        // Assert
        expect(testResponse).toBe(true);
    });
});