mirror of https://github.com/django/django.git
313 lines
7.4 KiB
Python
313 lines
7.4 KiB
Python
"""
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******** Models for test_data.py ***********
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The following classes are for testing basic data marshalling, including
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NULL values, where allowed.
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The basic idea is to have a model for each Django data type.
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"""
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from django.contrib.contenttypes.fields import (
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GenericForeignKey, GenericRelation,
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)
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from django.contrib.contenttypes.models import ContentType
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from django.db import models
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from .base import BaseModel
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class BinaryData(models.Model):
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data = models.BinaryField(null=True)
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class BooleanData(models.Model):
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data = models.BooleanField(default=False, null=True)
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class CharData(models.Model):
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data = models.CharField(max_length=30, null=True)
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class DateData(models.Model):
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data = models.DateField(null=True)
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class DateTimeData(models.Model):
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data = models.DateTimeField(null=True)
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class DecimalData(models.Model):
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data = models.DecimalField(null=True, decimal_places=3, max_digits=5)
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class EmailData(models.Model):
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data = models.EmailField(null=True)
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class FileData(models.Model):
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data = models.FileField(null=True)
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class FilePathData(models.Model):
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data = models.FilePathField(null=True)
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class FloatData(models.Model):
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data = models.FloatField(null=True)
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class IntegerData(models.Model):
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data = models.IntegerField(null=True)
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class BigIntegerData(models.Model):
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data = models.BigIntegerField(null=True)
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# class ImageData(models.Model):
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# data = models.ImageField(null=True)
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class GenericIPAddressData(models.Model):
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data = models.GenericIPAddressField(null=True)
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class NullBooleanData(models.Model):
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data = models.NullBooleanField(null=True)
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class PositiveBigIntegerData(models.Model):
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data = models.PositiveBigIntegerField(null=True)
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class PositiveIntegerData(models.Model):
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data = models.PositiveIntegerField(null=True)
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class PositiveSmallIntegerData(models.Model):
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data = models.PositiveSmallIntegerField(null=True)
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class SlugData(models.Model):
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data = models.SlugField(null=True)
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class SmallData(models.Model):
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data = models.SmallIntegerField(null=True)
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class TextData(models.Model):
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data = models.TextField(null=True)
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class TimeData(models.Model):
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data = models.TimeField(null=True)
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class Tag(models.Model):
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"""A tag on an item."""
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data = models.SlugField()
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content_type = models.ForeignKey(ContentType, models.CASCADE)
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object_id = models.PositiveIntegerField()
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content_object = GenericForeignKey()
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class Meta:
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ordering = ["data"]
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class GenericData(models.Model):
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data = models.CharField(max_length=30)
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tags = GenericRelation(Tag)
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# The following test classes are all for validation
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# of related objects; in particular, forward, backward,
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# and self references.
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class Anchor(models.Model):
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"""This is a model that can be used as
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something for other models to point at"""
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data = models.CharField(max_length=30)
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class Meta:
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ordering = ('id',)
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class UniqueAnchor(models.Model):
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"""This is a model that can be used as
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something for other models to point at"""
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data = models.CharField(unique=True, max_length=30)
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class FKData(models.Model):
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data = models.ForeignKey(Anchor, models.SET_NULL, null=True)
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class M2MData(models.Model):
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data = models.ManyToManyField(Anchor)
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class O2OData(models.Model):
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# One to one field can't be null here, since it is a PK.
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data = models.OneToOneField(Anchor, models.CASCADE, primary_key=True)
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class FKSelfData(models.Model):
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data = models.ForeignKey('self', models.CASCADE, null=True)
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class M2MSelfData(models.Model):
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data = models.ManyToManyField('self', symmetrical=False)
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class FKDataToField(models.Model):
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data = models.ForeignKey(UniqueAnchor, models.SET_NULL, null=True, to_field='data')
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class FKDataToO2O(models.Model):
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data = models.ForeignKey(O2OData, models.SET_NULL, null=True)
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class M2MIntermediateData(models.Model):
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data = models.ManyToManyField(Anchor, through='Intermediate')
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class Intermediate(models.Model):
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left = models.ForeignKey(M2MIntermediateData, models.CASCADE)
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right = models.ForeignKey(Anchor, models.CASCADE)
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extra = models.CharField(max_length=30, blank=True, default="doesn't matter")
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# The following test classes are for validating the
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# deserialization of objects that use a user-defined
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# field as the primary key.
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# Some of these data types have been commented out
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# because they can't be used as a primary key on one
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# or all database backends.
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class BooleanPKData(models.Model):
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data = models.BooleanField(primary_key=True, default=False)
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class CharPKData(models.Model):
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data = models.CharField(max_length=30, primary_key=True)
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class DatePKData(models.Model):
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data = models.DateField(primary_key=True)
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class DateTimePKData(models.Model):
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data = models.DateTimeField(primary_key=True)
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class DecimalPKData(models.Model):
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data = models.DecimalField(primary_key=True, decimal_places=3, max_digits=5)
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class EmailPKData(models.Model):
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data = models.EmailField(primary_key=True)
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# class FilePKData(models.Model):
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# data = models.FileField(primary_key=True)
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class FilePathPKData(models.Model):
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data = models.FilePathField(primary_key=True)
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class FloatPKData(models.Model):
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data = models.FloatField(primary_key=True)
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class IntegerPKData(models.Model):
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data = models.IntegerField(primary_key=True)
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# class ImagePKData(models.Model):
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# data = models.ImageField(primary_key=True)
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class GenericIPAddressPKData(models.Model):
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data = models.GenericIPAddressField(primary_key=True)
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class PositiveIntegerPKData(models.Model):
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data = models.PositiveIntegerField(primary_key=True)
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class PositiveSmallIntegerPKData(models.Model):
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data = models.PositiveSmallIntegerField(primary_key=True)
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class SlugPKData(models.Model):
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data = models.SlugField(primary_key=True)
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class SmallPKData(models.Model):
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data = models.SmallIntegerField(primary_key=True)
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# class TextPKData(models.Model):
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# data = models.TextField(primary_key=True)
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# class TimePKData(models.Model):
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# data = models.TimeField(primary_key=True)
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class UUIDData(models.Model):
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data = models.UUIDField(primary_key=True)
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class FKToUUID(models.Model):
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data = models.ForeignKey(UUIDData, models.CASCADE)
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# Tests for handling fields with pre_save functions, or
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# models with save functions that modify data
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class AutoNowDateTimeData(models.Model):
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data = models.DateTimeField(null=True, auto_now=True)
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class ModifyingSaveData(models.Model):
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data = models.IntegerField(null=True)
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def save(self, *args, **kwargs):
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"""
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A save method that modifies the data in the object.
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A user-defined save() method isn't called when objects are deserialized
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(#4459).
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"""
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self.data = 666
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super().save(*args, **kwargs)
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# Tests for serialization of models using inheritance.
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# Regression for #7202, #7350
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class AbstractBaseModel(models.Model):
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parent_data = models.IntegerField()
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class Meta:
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abstract = True
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class InheritAbstractModel(AbstractBaseModel):
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child_data = models.IntegerField()
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class InheritBaseModel(BaseModel):
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child_data = models.IntegerField()
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class ExplicitInheritBaseModel(BaseModel):
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parent = models.OneToOneField(BaseModel, models.CASCADE, parent_link=True)
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child_data = models.IntegerField()
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class LengthModel(models.Model):
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data = models.IntegerField()
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def __len__(self):
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return self.data
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