Made tests/serializers/models.py a models package

Thanks Tim Graham for the patch series review.

4 files changed, 514 insertions, 0 deletions

diff --git a/tests/serializers/models/__init__.py b/tests/serializers/models/__init__.py
new file mode 100644
index 0000000000..a786b54be9
--- /dev/null
+++ b/tests/serializers/models/__init__.py
@@ -0,0 +1,3 @@
+from .base import *  # NOQA
+from .data import *  # NOQA
+from .natural import *  # NOQA
diff --git a/tests/serializers/models/base.py b/tests/serializers/models/base.py
new file mode 100644
index 0000000000..4889377e09
--- /dev/null
+++ b/tests/serializers/models/base.py
@@ -0,0 +1,178 @@
+"""
+Serialization
+
+``django.core.serializers`` provides interfaces to converting Django
+``QuerySet`` objects to and from "flat" data (i.e. strings).
+"""
+from __future__ import unicode_literals
+
+from decimal import Decimal
+
+from django.db import models
+from django.utils import six
+from django.utils.encoding import python_2_unicode_compatible
+
+
+class CategoryMetaDataManager(models.Manager):
+
+    def get_by_natural_key(self, kind, name):
+        return self.get(kind=kind, name=name)
+
+
+@python_2_unicode_compatible
+class CategoryMetaData(models.Model):
+    kind = models.CharField(max_length=10)
+    name = models.CharField(max_length=10)
+    value = models.CharField(max_length=10)
+    objects = CategoryMetaDataManager()
+
+    class Meta:
+        unique_together = (('kind', 'name'),)
+
+    def __str__(self):
+        return '[%s:%s]=%s' % (self.kind, self.name, self.value)
+
+    def natural_key(self):
+        return (self.kind, self.name)
+
+
+@python_2_unicode_compatible
+class Category(models.Model):
+    name = models.CharField(max_length=20)
+    meta_data = models.ForeignKey(CategoryMetaData, models.SET_NULL, null=True, default=None)
+
+    class Meta:
+        ordering = ('name',)
+
+    def __str__(self):
+        return self.name
+
+
+@python_2_unicode_compatible
+class Author(models.Model):
+    name = models.CharField(max_length=20)
+
+    class Meta:
+        ordering = ('name',)
+
+    def __str__(self):
+        return self.name
+
+
+@python_2_unicode_compatible
+class Article(models.Model):
+    author = models.ForeignKey(Author, models.CASCADE)
+    headline = models.CharField(max_length=50)
+    pub_date = models.DateTimeField()
+    categories = models.ManyToManyField(Category)
+    meta_data = models.ManyToManyField(CategoryMetaData)
+
+    class Meta:
+        ordering = ('pub_date',)
+
+    def __str__(self):
+        return self.headline
+
+
+@python_2_unicode_compatible
+class AuthorProfile(models.Model):
+    author = models.OneToOneField(Author, models.CASCADE, primary_key=True)
+    date_of_birth = models.DateField()
+
+    def __str__(self):
+        return "Profile of %s" % self.author
+
+
+@python_2_unicode_compatible
+class Actor(models.Model):
+    name = models.CharField(max_length=20, primary_key=True)
+
+    class Meta:
+        ordering = ('name',)
+
+    def __str__(self):
+        return self.name
+
+
+@python_2_unicode_compatible
+class Movie(models.Model):
+    actor = models.ForeignKey(Actor, models.CASCADE)
+    title = models.CharField(max_length=50)
+    price = models.DecimalField(max_digits=6, decimal_places=2, default=Decimal('0.00'))
+
+    class Meta:
+        ordering = ('title',)
+
+    def __str__(self):
+        return self.title
+
+
+class Score(models.Model):
+    score = models.FloatField()
+
+
+@python_2_unicode_compatible
+class Team(object):
+    def __init__(self, title):
+        self.title = title
+
+    def __str__(self):
+        raise NotImplementedError("Not so simple")
+
+    def to_string(self):
+        return "%s" % self.title
+
+
+class TeamField(models.CharField):
+
+    def __init__(self):
+        super(TeamField, self).__init__(max_length=100)
+
+    def get_db_prep_save(self, value, connection):
+        return six.text_type(value.title)
+
+    def to_python(self, value):
+        if isinstance(value, Team):
+            return value
+        return Team(value)
+
+    def from_db_value(self, value, expression, connection, context):
+        return Team(value)
+
+    def value_to_string(self, obj):
+        return self.value_from_object(obj).to_string()
+
+    def deconstruct(self):
+        name, path, args, kwargs = super(TeamField, self).deconstruct()
+        del kwargs['max_length']
+        return name, path, args, kwargs
+
+
+@python_2_unicode_compatible
+class Player(models.Model):
+    name = models.CharField(max_length=50)
+    rank = models.IntegerField()
+    team = TeamField()
+
+    def __str__(self):
+        return '%s (%d) playing for %s' % (self.name, self.rank, self.team.to_string())
+
+
+class BaseModel(models.Model):
+    parent_data = models.IntegerField()
+
+
+class ProxyBaseModel(BaseModel):
+    class Meta:
+        proxy = True
+
+
+class ProxyProxyBaseModel(ProxyBaseModel):
+    class Meta:
+        proxy = True
+
+
+class ComplexModel(models.Model):
+    field1 = models.CharField(max_length=10)
+    field2 = models.CharField(max_length=10)
+    field3 = models.CharField(max_length=10)
diff --git a/tests/serializers/models/data.py b/tests/serializers/models/data.py
new file mode 100644
index 0000000000..98d59622d7
--- /dev/null
+++ b/tests/serializers/models/data.py
@@ -0,0 +1,312 @@
+"""
+******** Models for test_data.py ***********
+The following classes are for testing basic data marshalling, including
+NULL values, where allowed.
+The basic idea is to have a model for each Django data type.
+"""
+from __future__ import unicode_literals
+
+from django.contrib.contenttypes.fields import (
+    GenericForeignKey, GenericRelation,
+)
+from django.contrib.contenttypes.models import ContentType
+from django.db import models
+
+from .base import BaseModel
+
+
+class BinaryData(models.Model):
+    data = models.BinaryField(null=True)
+
+
+class BooleanData(models.Model):
+    data = models.BooleanField(default=False)
+
+
+class CharData(models.Model):
+    data = models.CharField(max_length=30, null=True)
+
+
+class DateData(models.Model):
+    data = models.DateField(null=True)
+
+
+class DateTimeData(models.Model):
+    data = models.DateTimeField(null=True)
+
+
+class DecimalData(models.Model):
+    data = models.DecimalField(null=True, decimal_places=3, max_digits=5)
+
+
+class EmailData(models.Model):
+    data = models.EmailField(null=True)
+
+
+class FileData(models.Model):
+    data = models.FileField(null=True, upload_to='/foo/bar')
+
+
+class FilePathData(models.Model):
+    data = models.FilePathField(null=True)
+
+
+class FloatData(models.Model):
+    data = models.FloatField(null=True)
+
+
+class IntegerData(models.Model):
+    data = models.IntegerField(null=True)
+
+
+class BigIntegerData(models.Model):
+    data = models.BigIntegerField(null=True)
+
+# class ImageData(models.Model):
+#    data = models.ImageField(null=True)
+
+
+class GenericIPAddressData(models.Model):
+    data = models.GenericIPAddressField(null=True)
+
+
+class NullBooleanData(models.Model):
+    data = models.NullBooleanField(null=True)
+
+
+class PositiveIntegerData(models.Model):
+    data = models.PositiveIntegerField(null=True)
+
+
+class PositiveSmallIntegerData(models.Model):
+    data = models.PositiveSmallIntegerField(null=True)
+
+
+class SlugData(models.Model):
+    data = models.SlugField(null=True)
+
+
+class SmallData(models.Model):
+    data = models.SmallIntegerField(null=True)
+
+
+class TextData(models.Model):
+    data = models.TextField(null=True)
+
+
+class TimeData(models.Model):
+    data = models.TimeField(null=True)
+
+
+class Tag(models.Model):
+    """A tag on an item."""
+    data = models.SlugField()
+    content_type = models.ForeignKey(ContentType, models.CASCADE)
+    object_id = models.PositiveIntegerField()
+
+    content_object = GenericForeignKey()
+
+    class Meta:
+        ordering = ["data"]
+
+
+class GenericData(models.Model):
+    data = models.CharField(max_length=30)
+
+    tags = GenericRelation(Tag)
+
+# The following test classes are all for validation
+# of related objects; in particular, forward, backward,
+# and self references.
+
+
+class Anchor(models.Model):
+    """This is a model that can be used as
+    something for other models to point at"""
+
+    data = models.CharField(max_length=30)
+
+    class Meta:
+        ordering = ('id',)
+
+
+class UniqueAnchor(models.Model):
+    """This is a model that can be used as
+    something for other models to point at"""
+
+    data = models.CharField(unique=True, max_length=30)
+
+
+class FKData(models.Model):
+    data = models.ForeignKey(Anchor, models.SET_NULL, null=True)
+
+
+class M2MData(models.Model):
+    data = models.ManyToManyField(Anchor)
+
+
+class O2OData(models.Model):
+    # One to one field can't be null here, since it is a PK.
+    data = models.OneToOneField(Anchor, models.CASCADE, primary_key=True)
+
+
+class FKSelfData(models.Model):
+    data = models.ForeignKey('self', models.CASCADE, null=True)
+
+
+class M2MSelfData(models.Model):
+    data = models.ManyToManyField('self', symmetrical=False)
+
+
+class FKDataToField(models.Model):
+    data = models.ForeignKey(UniqueAnchor, models.SET_NULL, null=True, to_field='data')
+
+
+class FKDataToO2O(models.Model):
+    data = models.ForeignKey(O2OData, models.SET_NULL, null=True)
+
+
+class M2MIntermediateData(models.Model):
+    data = models.ManyToManyField(Anchor, through='Intermediate')
+
+
+class Intermediate(models.Model):
+    left = models.ForeignKey(M2MIntermediateData, models.CASCADE)
+    right = models.ForeignKey(Anchor, models.CASCADE)
+    extra = models.CharField(max_length=30, blank=True, default="doesn't matter")
+
+# The following test classes are for validating the
+# deserialization of objects that use a user-defined
+# field as the primary key.
+# Some of these data types have been commented out
+# because they can't be used as a primary key on one
+# or all database backends.
+
+
+class BooleanPKData(models.Model):
+    data = models.BooleanField(primary_key=True, default=False)
+
+
+class CharPKData(models.Model):
+    data = models.CharField(max_length=30, primary_key=True)
+
+# class DatePKData(models.Model):
+#    data = models.DateField(primary_key=True)
+
+# class DateTimePKData(models.Model):
+#    data = models.DateTimeField(primary_key=True)
+
+
+class DecimalPKData(models.Model):
+    data = models.DecimalField(primary_key=True, decimal_places=3, max_digits=5)
+
+
+class EmailPKData(models.Model):
+    data = models.EmailField(primary_key=True)
+
+# class FilePKData(models.Model):
+#    data = models.FileField(primary_key=True, upload_to='/foo/bar')
+
+
+class FilePathPKData(models.Model):
+    data = models.FilePathField(primary_key=True)
+
+
+class FloatPKData(models.Model):
+    data = models.FloatField(primary_key=True)
+
+
+class IntegerPKData(models.Model):
+    data = models.IntegerField(primary_key=True)
+
+# class ImagePKData(models.Model):
+#    data = models.ImageField(primary_key=True)
+
+
+class GenericIPAddressPKData(models.Model):
+    data = models.GenericIPAddressField(primary_key=True)
+
+# This is just a Boolean field with null=True, and we can't test a PK value of NULL.
+# class NullBooleanPKData(models.Model):
+#     data = models.NullBooleanField(primary_key=True)
+
+
+class PositiveIntegerPKData(models.Model):
+    data = models.PositiveIntegerField(primary_key=True)
+
+
+class PositiveSmallIntegerPKData(models.Model):
+    data = models.PositiveSmallIntegerField(primary_key=True)
+
+
+class SlugPKData(models.Model):
+    data = models.SlugField(primary_key=True)
+
+
+class SmallPKData(models.Model):
+    data = models.SmallIntegerField(primary_key=True)
+
+# class TextPKData(models.Model):
+#     data = models.TextField(primary_key=True)
+
+# class TimePKData(models.Model):
+#    data = models.TimeField(primary_key=True)
+
+
+class UUIDData(models.Model):
+    data = models.UUIDField(primary_key=True)
+
+
+class FKToUUID(models.Model):
+    data = models.ForeignKey(UUIDData, models.CASCADE)
+
+
+# Tests for handling fields with pre_save functions, or
+# models with save functions that modify data
+
+
+class AutoNowDateTimeData(models.Model):
+    data = models.DateTimeField(null=True, auto_now=True)
+
+
+class ModifyingSaveData(models.Model):
+    data = models.IntegerField(null=True)
+
+    def save(self, *args, **kwargs):
+        """
+        A save method that modifies the data in the object.
+        Verifies that a user-defined save() method isn't called when objects
+        are deserialized (#4459).
+        """
+        self.data = 666
+        super(ModifyingSaveData, self).save(*args, **kwargs)
+
+# Tests for serialization of models using inheritance.
+# Regression for #7202, #7350
+
+
+class AbstractBaseModel(models.Model):
+    parent_data = models.IntegerField()
+
+    class Meta:
+        abstract = True
+
+
+class InheritAbstractModel(AbstractBaseModel):
+    child_data = models.IntegerField()
+
+
+class InheritBaseModel(BaseModel):
+    child_data = models.IntegerField()
+
+
+class ExplicitInheritBaseModel(BaseModel):
+    parent = models.OneToOneField(BaseModel, models.CASCADE)
+    child_data = models.IntegerField()
+
+
+class LengthModel(models.Model):
+    data = models.IntegerField()
+
+    def __len__(self):
+        return self.data
diff --git a/tests/serializers/models/natural.py b/tests/serializers/models/natural.py
new file mode 100644
index 0000000000..b50956692e
--- /dev/null
+++ b/tests/serializers/models/natural.py
@@ -0,0 +1,21 @@
+"""Models for test_natural.py"""
+from django.db import models
+
+
+class NaturalKeyAnchorManager(models.Manager):
+    def get_by_natural_key(self, data):
+        return self.get(data=data)
+
+
+class NaturalKeyAnchor(models.Model):
+    objects = NaturalKeyAnchorManager()
+
+    data = models.CharField(max_length=100, unique=True)
+    title = models.CharField(max_length=100, null=True)
+
+    def natural_key(self):
+        return (self.data,)
+
+
+class FKDataNaturalKey(models.Model):
+    data = models.ForeignKey(NaturalKeyAnchor, models.SET_NULL, null=True)