test

jest.test.js

test('ReverseInt function exists', () => {
    expect(reverseInt).toBeDefined(); //funcao existe
    expect(typeof steps).toEqual('function'); // é funcao
    expect(typeof Queue.prototype.constructor).toEqual('function'); // Class
    expect(reverseInt(0)).toEqual(0); 
    expect(palindrome('aba')).toBeTruthy();
    expect(palindrome(' aba')).toBeFalsy();
  });

  test('can remove elements from a queue', () => {
    const q = new Queue();
    expect(() => {
      q.add(1);
      q.remove();
    }).not.toThrow();
  });
  //  console.log

  test('Calling fizzbuzz with 15 prints out the correct values', () => {
    fizzBuzz(15);
  
    expect(console.log.mock.calls[0][0]).toEqual(1);
    expect(console.log.mock.calls[1][0]).toEqual(2);
    expect(console.log.mock.calls[2][0]).toEqual('fizz');
    expect(console.log.mock.calls[3][0]).toEqual(4);
    expect(console.log.mock.calls[4][0]).toEqual('buzz');
    expect(console.log.mock.calls[5][0]).toEqual('fizz');
    expect(console.log.mock.calls[6][0]).toEqual(7);
    expect(console.log.mock.calls[7][0]).toEqual(8);
    expect(console.log.mock.calls[8][0]).toEqual('fizz');
    expect(console.log.mock.calls[9][0]).toEqual('buzz');
    expect(console.log.mock.calls[10][0]).toEqual(11);
    expect(console.log.mock.calls[11][0]).toEqual('fizz');
    expect(console.log.mock.calls[12][0]).toEqual(13);
    expect(console.log.mock.calls[13][0]).toEqual(14);
    expect(console.log.mock.calls[14][0]).toEqual('fizzbuzz');
  });
  
  beforeEach(() => {
    jest.spyOn(console, 'log');
  });
  
  afterEach(() => {
    console.log.mockRestore();
  });
  

package.json

{
    "name": "dev",
    "version": "1.0.0",
    "description": "",
    "main": "index.js",
    "scripts": {
        "test": "echo \"Error: no test specified\" && exit 1"
    },
    "jest": {
        "testEnvironment": "node"
    },
    "author": "",
    "license": "ISC",
    "dependencies": {}
}

python_coverage_mommy.md

coverage

pip install coverage

coverage run manage.py test
coverage report
coverage html
python -m http.server

mommy

pip install mommy

python manage.py shell

from model_mommy import mommy
cargo = mommy.make('Cargo')
cargos = mommy.make('Cargo', _quantity=5)

tests.py

from utils import money
from django.test import TestCase


def add_num(num):
    return num


class SimplesTestCase(TestCase):

    def setUp(self):
        self.numero = 42

    def test_add_num(self):
        valor = add_num(self.numero)
        self.assertTrue(valor == 42)


class UtilsMoneyTest(TestCase):

    def setUp(self):
        self.numero = 42
        self.carrinho = {
            1: {'quantidade': 5, 'preco_quantitativo_promocional': 10, 'preco_quntitativo': 7},
            2: {'quantidade': 5, 'preco_quantitativo_promocional': 10},
            5: {'quantidade': 5, 'preco_quantitativo_promocional': 10}
        }

    def test_formata_preco(self):
        valor = money.formata_preco(self.numero)
        self.assertTrue(valor == "R$ 42,00")

    def test_cart_total_qtd(self):
        valor = money.cart_total_qtd(self.carrinho)
        self.assertTrue(valor == 15)

    def test_cart_totls(self):
        valor = money.cart_totals(self.carrinho)
        self.assertTrue(valor == 30)