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INTRODUÇÃO A TESTESINTRODUÇÃO A TESTES
COMCOM DJANGODJANGO
IgorLeroy
POR QUE?POR QUE?
PRA QUE? CONFIO NO MEU CÓDIGO, EU GARANTO!PRA QUE? CONFIO NO MEU CÓDIGO, EU GARANTO!
RETRABALHO, RETRABALHO E CAÇA AOS BUGS.RETRABALHO, RETRABALHO E CAÇA AOS BUGS.
NAAH... CHEGA DISSO.NAAH... CHEGA DISSO.
TESTES DEVEM SER OBRIGATÓRIOS!TESTES DEVEM SER OBRIGATÓRIOS!
CULTURACULTURA
CÓDIGOCÓDIGO SIMPLESSIMPLES == FÁCIL DE TESTAR== FÁCIL DE TESTAR
CÓDIGOCÓDIGO MODULARIZADOMODULARIZADO == FÁCIL DE TESTAR== FÁCIL DE TESTAR
MODULARIZAÇÃOMODULARIZAÇÃO =!=! ABSTRAÇÃOABSTRAÇÃO
DJANGO 1.4, 1.5DJANGO 1.4, 1.5
project/myapp/tests.pyproject/myapp/tests.py
./manage.py test myapp./manage.py test myapp
TESTES UNITÁRIOSTESTES UNITÁRIOS
from django.test import TestCase
from myapp.models import Animal
class AnimalTestCase(TestCase):
def setUp(self):
Animal.objects.create(name="lion", sound="roar")
Animal.objects.create(name="cat", sound="meow")
def test_animals_can_speak(self):
"""Animals that can speak are correctly identified"""
lion = Animal.objects.get(name="lion")
cat = Animal.objects.get(name="cat")
self.assertEqual(lion.speak(), 'The lion says "roar"')
self.assertEqual(cat.speak(), 'The cat says "meow"')
TESTES FUNCIONAISTESTES FUNCIONAIS
import unittest
from django.test import Client
class SimpleTest(unittest.TestCase):
def setUp(self):
self.client = Client()
def test_details(self):
response = self.client.get('/customer/details/')
self.assertEqual(response.status_code, 200)
self.assertEqual(len(response.context['customers']), 5)
TESTS.PYTESTS.PY
UM ÚNICO MODULO DE TESTES É UMAUM ÚNICO MODULO DE TESTES É UMA MÁMÁ IDÉIA.IDÉIA.
TESTES TAMBÉM SÃO CÓDIGOS,TESTES TAMBÉM SÃO CÓDIGOS, PRECISAMPRECISAM SERSER
MODULARIZADOS.MODULARIZADOS.
BEM ESCRITO E FÁCILBEM ESCRITO E FÁCIL DE ENTENDER.DE ENTENDER.
TEST RUNNERTEST RUNNER
DJANGONOSE
https://github.com/jbalogh/django-nose
TEST_RUNNER='django_nose.NoseTestSuiteRunner'
ONOSEpossuemaiscoisaslegais!
TEST ENVIRONMENTTEST ENVIRONMENT
createdb -U postgres_user -h localhost test_db
python manage.py syncdb --settings myproject.test_settings
python manage.py migrate --settings myproject.test_settings
os.environ['REUSE_DB'] = "1"
ou
REUSE_DB=1 python manage.py test
FIXTURESFIXTURES
='(
{
"pk": 4,
"model": "auth.user",
"fields": {
"username": "manager",
"first_name": "",
"last_name": "",
"is_active": true,
"is_superuser": false,
"is_staff": false,
"last_login": "2012-02-06 15:06:44",
FACTORYGIRL
FACTORYBOY
MODEL MOMMY!MODEL MOMMY!
https://github.com/vandersonmota/model_mommy
Dadosemmemória.
SetornaopcionalsalvardadosnoDB.
Rápido!
from model_mommy import mommy
from family.models import Kid
kid = mommy.make(Kid)
MOMMY_MODELS.PYMOMMY_MODELS.PY
from model_mommy.recipe import Recipe, foreign_key
from family.models import Person, Dog
person = Recipe(Person,
name = 'John Doe',
nickname = 'joe',
age = 18,
birthday = date.today(),
appointment = datetime.now()
)
dog = Recipe(Dog,
breed = 'Pug',
owner = foreign_key(person)
)
E AGORA?E AGORA?
.....myapp/
...................tests/
.............................test_models.py
.............................test_views.py
.............................test_urls.py
.............................test_forms.py
.............................test_features.py
BDD!BDD!
Client()éumaboaidéia?
Testarsomentenossocódigopythonnãofaznosso
sistema100%livredebugs.
Precisamostestarasfuncionalidades.
CAPYBARACAPYBARA
SPLINTERSPLINTER!!
http://splinter.cobrateam.info
from splinter import Browser
browser = Browser()
browser.visit('http://google.com')
browser.fill('q', 'splinter - python acceptance testing for web
applications')
browser.find_by_name('btnG').click()
if browser.is_text_present('splinter.cobrateam.info'):
print "Yes, the official website was found!"
else:
print "No, it wasn't found... We need to improve our SEO te
chniques"
browser.quit()
Obrigado!
@lerrua
github.com/lerrua

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Introdução a testes com Django (2013)