ad/tests/unit/ad/interface/has-seats.decorator.spec.ts

import { HasSeats } from '@modules/ad/interface/grpc-controllers/dtos/validators/decorators/has-seats.decorator';
import { Validator } from 'class-validator';

describe('has seats decorator', () => {
  class MyClass {
    @HasSeats('seatsProposed')
    driver: boolean;
    @HasSeats('seatsRequested')
    passenger: boolean;

    seatsProposed?: number;
    seatsRequested?: number;
  }
  it('should return a property decorator has a function', () => {
    const hasSeats = HasSeats('property');
    expect(typeof hasSeats).toBe('function');
  });
  it('should validate an instance with seats proposed as driver', async () => {
    const myClassInstance = new MyClass();
    myClassInstance.driver = true;
    myClassInstance.seatsProposed = 3;
    const validator = new Validator();
    const validation = await validator.validate(myClassInstance);
    expect(validation.length).toBe(0);
  });
  it('should validate an instance with seats requested as passenger', async () => {
    const myClassInstance = new MyClass();
    myClassInstance.passenger = true;
    myClassInstance.seatsRequested = 1;
    const validator = new Validator();
    const validation = await validator.validate(myClassInstance);
    expect(validation.length).toBe(0);
  });
  it('should validate an instance with seats proposed as driver and passenger', async () => {
    const myClassInstance = new MyClass();
    myClassInstance.driver = true;
    myClassInstance.seatsProposed = 3;
    myClassInstance.passenger = true;
    myClassInstance.seatsRequested = 1;
    const validator = new Validator();
    const validation = await validator.validate(myClassInstance);
    expect(validation.length).toBe(0);
  });
  it('should not validate an instance without seats proposed as driver', async () => {
    const myClassInstance = new MyClass();
    myClassInstance.driver = true;
    myClassInstance.seatsProposed = 0;
    const validator = new Validator();
    const validation = await validator.validate(myClassInstance);
    expect(validation.length).toBe(1);
  });
  it('should not validate an instance without seats requested as passenger', async () => {
    const myClassInstance = new MyClass();
    myClassInstance.passenger = true;
    const validator = new Validator();
    const validation = await validator.validate(myClassInstance);
    expect(validation.length).toBe(1);
  });
});