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# Copyright: See the LICENSE file.
"""Helpers for testing django apps."""
import os.path
from django.conf import settings
from django.db import models
from django.db.models import signals
try:
from PIL import Image
except ImportError:
Image = None
class StandardModel(models.Model):
foo = models.CharField(max_length=20)
class NonIntegerPk(models.Model):
foo = models.CharField(max_length=20, primary_key=True)
bar = models.CharField(max_length=20, blank=True)
class MultifieldModel(models.Model):
slug = models.SlugField(max_length=20, unique=True)
text = models.TextField()
class MultifieldUniqueModel(models.Model):
slug = models.SlugField(max_length=20, unique=True)
text = models.CharField(max_length=20, unique=True)
title = models.CharField(max_length=20, unique=True)
class AbstractBase(models.Model):
foo = models.CharField(max_length=20)
class Meta:
abstract = True
class ConcreteSon(AbstractBase):
pass
class AbstractSon(AbstractBase):
class Meta:
abstract = True
class ConcreteGrandSon(AbstractSon):
pass
class StandardSon(StandardModel):
pass
class PointedModel(models.Model):
foo = models.CharField(max_length=20)
class PointerModel(models.Model):
bar = models.CharField(max_length=20)
pointed = models.OneToOneField(
PointedModel,
related_name='pointer',
null=True,
on_delete=models.CASCADE
)
class WithDefaultValue(models.Model):
foo = models.CharField(max_length=20, default='')
class WithPassword(models.Model):
pw = models.CharField(max_length=128)
WITHFILE_UPLOAD_TO = 'django'
WITHFILE_UPLOAD_DIR = os.path.join(settings.MEDIA_ROOT, WITHFILE_UPLOAD_TO)
class WithFile(models.Model):
afile = models.FileField(upload_to=WITHFILE_UPLOAD_TO)
if Image is not None: # PIL is available
class WithImage(models.Model):
animage = models.ImageField(upload_to=WITHFILE_UPLOAD_TO)
size = models.IntegerField(default=0)
else:
class WithImage(models.Model):
pass
class WithSignals(models.Model):
foo = models.CharField(max_length=20)
def __init__(self, post_save_signal_receiver=None):
super().__init__()
if post_save_signal_receiver:
signals.post_save.connect(
post_save_signal_receiver,
sender=self.__class__,
)
class CustomManager(models.Manager):
def create(self, arg=None, **kwargs):
return super().create(**kwargs)
class WithCustomManager(models.Model):
foo = models.CharField(max_length=20)
objects = CustomManager()
class AbstractWithCustomManager(models.Model):
custom_objects = CustomManager()
class Meta:
abstract = True
class FromAbstractWithCustomManager(AbstractWithCustomManager):
pass
class HasMultifieldModel(models.Model):
multifield = models.ForeignKey(to=MultifieldModel, on_delete=models.CASCADE)
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