ddd.test.js

'use strict';

const assert = require('node:assert');
const { describe, it } = require('node:test');
const { Entity } = require('./ddd');
const { ValueObject } = require('./ddd');

describe('Entity', () => {
  const Cat = Entity.fromKeys(['id', 'name', 'age', 'color']);
  const cat = new Cat({
    id: '123',
    name: 'Sanya',
    age: 3,
    color: 'Orange tabbie',
  });

  it('Has correct properties', () => {
    assert.strictEqual(cat.id, '123');
    assert.strictEqual(cat.name, 'Sanya');
    assert.strictEqual(cat.age, 3);
    assert.strictEqual(cat.color, 'Orange tabbie');
  });

  it('Compares by id', () => {
    assert.strictEqual(
      new (Entity.fromKeys(['id', 'x']))({ id: '123', x: 3 }).isEqual(
        new (Entity.fromKeys(['id', 'x']))({ id: '123', x: 5 }),
      ),
      true,
    );
    assert.strictEqual(
      new (Entity.fromKeys(['id', 'x']))({ id: '123', x: 3 }).isEqual(
        new (Entity.fromKeys(['id', 'x']))({ id: '321', x: 3 }),
      ),
      false,
    );
  });
});

describe('Entity', () => {
  const Cat = ValueObject.fromKeys(['name', 'age', 'color']);
  const cat = new Cat({ name: 'Sanya', age: 3, color: 'Orange tabbie' });

  it('Has correct properties', () => {
    assert.strictEqual(cat.name, 'Sanya');
    assert.strictEqual(cat.age, 3);
    assert.strictEqual(cat.color, 'Orange tabbie');
  });

  it('Compares by each property', () => {
    assert.strictEqual(
      new (ValueObject.fromKeys(['x', 'y', 'z']))({
        x: 1,
        y: [1, 2, 3],
        z: { a: 1, b: [2] },
      }).isEqual(
        new (ValueObject.fromKeys(['x', 'y', 'z']))({
          x: 1,
          y: [1, 2, 3],
          z: { a: 1, b: [2] },
        }),
      ),
      true,
    );
  });
});