A test fixtures replacement for Python based on thoughtbot's factory_girl for Ruby (Python).
A test fixtures replacement for Python based on thoughtbot's factory_girl for Ruby (Python).
See project page.
Questions tagged [factory-boy]
344 questions
37
votes
5 answers
How to use Faker from Factory_boy
Factory_boy uses fake-factory (Faker) to generate random values, I would like to generate some random values in my Django tests using Faker directly.
Factory_boy docs suggests using factory.Faker and its provider as :
class…
marcanuy
- 23,118
- 9
- 64
- 113
36
votes
6 answers
How Can You Create an Admin User with Factory_Boy?
I'm a relative Django beginner and just started doing some testing for my projects. What I want to do is build a functional test with selenium that logs into the Django Admin site.
I first followed this tutorial…
Brian Fabian Crain
- 860
- 2
- 8
- 16
25
votes
5 answers
Factory Boy random choice for a field with field option "choices"
When a field in a Django model has the option choices, see Django choices field option, it utilises an iterable containing iterables of 2 items to define which values are allowed. For example:
Models
class IceCreamProduct(models.Model):
…
Robin
- 519
- 1
- 7
- 13
25
votes
2 answers
factory boy: define field that depends on other field
How to define a field that depends on other field using factory-boy?
For instance, I'd like to define an email that depends on the first name and last name of an User.
I tried using the post_generation decorator. However, my system requires the…
jsmedmar
- 1,025
- 10
- 21
25
votes
5 answers
Is passing too many arguments to the constructor considered an anti-pattern?
I am considering using the factory_boy library for API testing. An example from the documentation is:
class UserFactory(factory.Factory):
class Meta:
model = base.User
first_name = "John"
last_name = "Doe"
For this to work, we…
skamsie
- 2,614
- 5
- 36
- 48
22
votes
5 answers
Avoiding duplicates with factory_boy factories
I'm using factory_boy to create test fixtures. I've got two simple factories, backed by SQLAlchemy models (simplified below).
I'd like to be able to call AddressFactory.create() multiple times, and have it create a Country if it doesn't already…
Jim Stewart
- 16,964
- 5
- 69
- 89
21
votes
1 answer
Why is factory_boy superior to using the ORM directly in tests?
I don't see why factory_boy is preferred over creating ORM/model instances directly in Django tests. And the factory_boy website does little to explain the benefits of using it.
It makes sense as an alternative to fixtures, which are difficult to…
user307927
- 748
- 9
- 22
20
votes
5 answers
How to test auto_now_add in django
I have django 1.11 app and I want to write unit test for my solution.
I want to test registration date feature.
model.py:
class User(models.Model):
first_name = models.CharField(max_length=30)
last_name = models.CharField(max_length=30)
…
user9192656
- 549
- 3
- 16
19
votes
2 answers
factory-boy create a list of SubFactory for a Factory
I am using django 1.6 and factory-boy.
class UserFactory(factory.Factory):
class Meta:
model = models.User
username = factory.Sequence(lambda n: 'user%d' % n)
Here username is a simple CharField in model. So that each time I am…
Saiful Azad
- 1,823
- 3
- 17
- 27
19
votes
2 answers
Many-to-many relationship in factory_boy?
I'm trying to test a many-to-many relationship between two Django models using factory_boy. The factory_boy documentation doesn't appear to discuss this and I'm having trouble figuring out what I'm doing wrong. When I run the first test, I get the…
Jim
- 13,430
- 26
- 104
- 155
18
votes
3 answers
django factory boy factory with OneToOne relationship and related field
I am using Factory Boy to create test factories for my django app. The model I am having an issue with is a very basic Account model which has a OneToOne relation to the django User auth model (using django < 1.5):
# models.py
from…
darko
- 2,438
- 8
- 42
- 54
16
votes
2 answers
Passing an object created with SubFactory and LazyAttribute to a RelatedFactory in factory_boy
I am using factory.LazyAttribute within a SubFactory call to pass in an object, created in the factory_parent. This works fine.
But if I pass the object created to a RelatedFactory, LazyAttribute can no longer see the factory_parent and fails.
This…
Chris
- 5,664
- 6
- 44
- 55
16
votes
2 answers
Datetime Field Received a Naive Datetime
I'm running into the classic DateTimeField received a naive datetime while time zone support is active warning with a twist. The error occurs when I run tests that utilize factories provided by factory_boy. Here is an example of a factory:
from…
user1427661
- 11,158
- 28
- 90
- 132
16
votes
4 answers
How to pass in a starting sequence number to a Django factory_boy factory?
factory_boy defaults to 1 for sequences. How can I pass in a number to use as a different starting number instead? I can subclass the _setup_next_sequence() method, but how can I give it a variable to use?
# File: models.py
from django.db import…
Rob Bednark
- 25,981
- 23
- 80
- 125
15
votes
5 answers
One-to-many relationships in factory_boy
I use SQLalchemy as my ORM and am trying to port my test fixtures to factory_boy. My schema includes two objects in a one-to-many relation. I.e. instances of one model have list like structures with instances of the other. Example:
class…
NiklasMM
- 2,895
- 2
- 22
- 26