mirror of
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3d4fe39bac
FileField/ImageField cannot be primary keys, so serialization support
for this case will not be implemented.
XMLField was removed in d1290b5b43.
314 lines
7.2 KiB
Python
314 lines
7.2 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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import uuid
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from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation
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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 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 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 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 UUIDDefaultData(models.Model):
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data = models.UUIDField(primary_key=True, default=uuid.uuid4)
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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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