Feat/add unique feature arg in faker factory #997
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Since Faker 4.9.0 there has been support to generate unique values. This is really helpful when
dealing with unique constraint on a field generated by factory boy. The test can be flaky if you use
faker without the "unique" feature on an ORM field with an unique constraint.
The usage with factory boy is simple as this:
```
class UserFactory(fatory.Factory):
class Meta:
model = User
arrival = factory.Faker(
'date_between_dates',
date_start=datetime.date(2020, 1, 1),
date_end=datetime.date(2020, 5, 31),
unique=True # The generated date is guaranteed to be unique inside the test execution.
)
```
The unique keyword can be passed on every faker providers. If `True` the faker object passes through
the Faker Unique Proxy, making sure the generated value has not been already generated before. Note
that the default unique keyword value is `False`.
Co-authored-by: Arthur Hamon <arthur@lumapps.com>
Merged
Contributor
Contributor
|
@tlconnor NM, its been merged to |
|
Hi. Is this PR ready to merge? I'd really love this feature to be present and I can help if it's needed |
|
@tlconnor @kingbuzzman |
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This pull request follows on from the abandoned #820. The code is simplified and follows the same pattern used when specifying the locale for Faker.
Since Faker 4.9.0 there has been support to generate unique values. This is really helpful when dealing with unique constraint on a field generated by factory boy. The test can be flaky if you use faker without the "unique" feature on an ORM field with an unique constraint.
The usage with factory boy is simple as this:
The unique keyword can be passed on every faker providers. If
Truethe faker object passes through the Faker Unique Proxy, making sure the generated value has not been already generated before. Note that the default unique keyword value isFalse.Credit goes to @arthurHamon2 for the idea and the original pull request.