django-rest-framework/tests/models.py
Adrien Brunet e3bd4b9048 Fix #1811: take limit_choices_to into account with FK (#6371)
* Fix issue1811: take limit_choices_to into account with FK

* Issue 1811: Add tests to illustrate issue

* Filter queryset only if limit_choices_to exists

* Move test_relations_with_limited_querysets file within test_relations_pk

* move limit_choices_to logic from relations.py to utils/field_mapping.py

* move limit_choices_to above other check to avoid conflicts
2019-01-08 13:49:47 +00:00

108 lines
3.5 KiB
Python

from __future__ import unicode_literals
import uuid
from django.db import models
from django.utils.translation import ugettext_lazy as _
class RESTFrameworkModel(models.Model):
"""
Base for test models that sets app_label, so they play nicely.
"""
class Meta:
app_label = 'tests'
abstract = True
class BasicModel(RESTFrameworkModel):
text = models.CharField(
max_length=100,
verbose_name=_("Text comes here"),
help_text=_("Text description.")
)
# Models for relations tests
# ManyToMany
class ManyToManyTarget(RESTFrameworkModel):
name = models.CharField(max_length=100)
class ManyToManySource(RESTFrameworkModel):
name = models.CharField(max_length=100)
targets = models.ManyToManyField(ManyToManyTarget, related_name='sources')
# ForeignKey
class ForeignKeyTarget(RESTFrameworkModel):
name = models.CharField(max_length=100)
class UUIDForeignKeyTarget(RESTFrameworkModel):
uuid = models.UUIDField(primary_key=True, default=uuid.uuid4)
name = models.CharField(max_length=100)
class ForeignKeySource(RESTFrameworkModel):
name = models.CharField(max_length=100)
target = models.ForeignKey(ForeignKeyTarget, related_name='sources',
help_text='Target', verbose_name='Target',
on_delete=models.CASCADE)
class ForeignKeySourceWithLimitedChoices(RESTFrameworkModel):
target = models.ForeignKey(ForeignKeyTarget, help_text='Target',
verbose_name='Target',
limit_choices_to={"name__startswith": "limited-"},
on_delete=models.CASCADE)
# Nullable ForeignKey
class NullableForeignKeySource(RESTFrameworkModel):
name = models.CharField(max_length=100)
target = models.ForeignKey(ForeignKeyTarget, null=True, blank=True,
related_name='nullable_sources',
verbose_name='Optional target object',
on_delete=models.CASCADE)
class NullableUUIDForeignKeySource(RESTFrameworkModel):
name = models.CharField(max_length=100)
target = models.ForeignKey(ForeignKeyTarget, null=True, blank=True,
related_name='nullable_sources',
verbose_name='Optional target object',
on_delete=models.CASCADE)
class NestedForeignKeySource(RESTFrameworkModel):
"""
Used for testing FK chain. A -> B -> C.
"""
name = models.CharField(max_length=100)
target = models.ForeignKey(NullableForeignKeySource, null=True, blank=True,
related_name='nested_sources',
verbose_name='Intermediate target object',
on_delete=models.CASCADE)
# OneToOne
class OneToOneTarget(RESTFrameworkModel):
name = models.CharField(max_length=100)
class NullableOneToOneSource(RESTFrameworkModel):
name = models.CharField(max_length=100)
target = models.OneToOneField(
OneToOneTarget, null=True, blank=True,
related_name='nullable_source', on_delete=models.CASCADE)
class OneToOnePKSource(RESTFrameworkModel):
""" Test model where the primary key is a OneToOneField with another model. """
name = models.CharField(max_length=100)
target = models.OneToOneField(
OneToOneTarget, primary_key=True,
related_name='required_source', on_delete=models.CASCADE)