import { ApplicationError } from './application_error';

import { BadRequestError } from './bad_request_error';

import { ValidationError } from './validation_error';

describe('ValidationError', () => {

it('check inheritance tree', () => {

const err = new ValidationError(undefined);

expect(err instanceof Error).toBeTruthy();

expect(err instanceof ApplicationError).toBeTruthy();

expect(err instanceof BadRequestError).toBeTruthy();

expect(err instanceof ValidationError).toBeTruthy();

});

it('should set default error message', () => {

const err = new ValidationError(undefined);

expect(err).toHaveProperty('message');

expect(typeof err.message).toBe('string');

expect(err.message).toBe('ValidationError');

});

it('should set custom error message', () => {

const err = new ValidationError(undefined, 'MyErrorMessage');

expect(err).toHaveProperty('message');

expect(typeof err.message).toBe('string');

expect(err.message).toBe('MyErrorMessage');

});

it('should set default error code', () => {

const err = new ValidationError(undefined);

expect(err).toHaveProperty('code');

expect(typeof err.code).toBe('string');

expect(err.code).toBe('E_VALIDATION_FAILED');

});

it('should set custom error code', () => {

const err = new ValidationError(undefined, undefined, {

code: 'E_CUSTOM_ERROR',

});

expect(err).toHaveProperty('code');

expect(typeof err.code).toBe('string');

expect(err.code).toBe('E_CUSTOM_ERROR');

});

it('should set default cause (undefined)', () => {

const err = new ValidationError(undefined);

expect(err).toHaveProperty('cause');

expect(typeof err.cause).toBe('undefined');

expect(err.cause).toBe(undefined);

});

it('should set custom cause (another application error)', () => {

const cause = new BadRequestError(undefined, { code: 'E_CAUSE' });

const err = new ValidationError(undefined, undefined, { cause });

expect(err).toHaveProperty('cause');

expect(err.cause instanceof BadRequestError).toBeTruthy();

expect((err.cause as BadRequestError).code).toBe('E_CAUSE');

});

});