Faker is a nice library for creating sample data for tests. No more company called “example company” and no more email address “something@example.org”. No, you get readable random proper email addresses and company names and so. Handy in combination with factory_boy, which provides integration. Here’s an example:
from myproject import models
import factory
class PersonF(factory.DjangoModelFactory):
class Meta:
model = models.Person
email = factory.Faker("email")
name = factory.Faker("name")
password = factory.Faker("password")
class TeamF(factory.DjangoModelFactory):
class Meta:
model = models.Team
name = factory.Faker("company")
Problem I’m having is that, when running the tests with pytest, pytest helpfully reports all the logging when something goes wrong. Only, tests related to factory_boy/faker fill the log with locale-related messages:
factory.py 97 DEBUG Looking for locale `en_US` in provider `faker.providers.address`.
factory.py 111 DEBUG Provider `faker.providers.address` has been localized to `en_US`.
factory.py 97 DEBUG Looking for locale `en_US` in provider `faker.providers.automotive`.
factory.py 111 DEBUG Provider `faker.providers.automotive` has been localized to `en_US`.
factory.py 97 DEBUG Looking for locale `en_US` in provider `faker.providers.bank`.
Which makes it harder to spot the actual error.
There’s been a recent helpful change to faker, reducing those log messages
from INFO to DEBUG. So fixing these extraneous messages was as simple as
including these lines at the top of my factories.py:
import logging
logger = logging.getLogger('faker')
logger.setLevel(logging.INFO) # Quiet faker locale messages down in tests.
My name is Reinout van Rees and I work a lot with Python (programming language) and Django (website framework). I live in The Netherlands and I'm happily married to Annie van Rees-Kooiman.
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