mirror of
https://github.com/django/django.git
synced 2024-12-25 02:26:12 +00:00
384 lines
17 KiB
Python
384 lines
17 KiB
Python
from __future__ import unicode_literals
|
|
|
|
from django.db import models
|
|
from django.test import TestCase, override_settings
|
|
from django.utils import six
|
|
|
|
|
|
class FieldDeconstructionTests(TestCase):
|
|
"""
|
|
Tests the deconstruct() method on all core fields.
|
|
"""
|
|
|
|
def test_name(self):
|
|
"""
|
|
Tests the outputting of the correct name if assigned one.
|
|
"""
|
|
# First try using a "normal" field
|
|
field = models.CharField(max_length=65)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertIsNone(name)
|
|
field.set_attributes_from_name("is_awesome_test")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(name, "is_awesome_test")
|
|
self.assertIsInstance(name, six.text_type)
|
|
# Now try with a ForeignKey
|
|
field = models.ForeignKey("some_fake.ModelName")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertIsNone(name)
|
|
field.set_attributes_from_name("author")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(name, "author")
|
|
|
|
def test_auto_field(self):
|
|
field = models.AutoField(primary_key=True)
|
|
field.set_attributes_from_name("id")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.AutoField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"primary_key": True})
|
|
|
|
def test_big_integer_field(self):
|
|
field = models.BigIntegerField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.BigIntegerField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|
|
|
|
def test_boolean_field(self):
|
|
field = models.BooleanField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.BooleanField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|
|
field = models.BooleanField(default=True)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.BooleanField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"default": True})
|
|
|
|
def test_char_field(self):
|
|
field = models.CharField(max_length=65)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.CharField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"max_length": 65})
|
|
field = models.CharField(max_length=65, null=True, blank=True)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.CharField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"max_length": 65, "null": True, "blank": True})
|
|
|
|
def test_csi_field(self):
|
|
field = models.CommaSeparatedIntegerField(max_length=100)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.CommaSeparatedIntegerField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"max_length": 100})
|
|
|
|
def test_date_field(self):
|
|
field = models.DateField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.DateField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|
|
field = models.DateField(auto_now=True)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.DateField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"auto_now": True})
|
|
|
|
def test_datetime_field(self):
|
|
field = models.DateTimeField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.DateTimeField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|
|
field = models.DateTimeField(auto_now_add=True)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.DateTimeField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"auto_now_add": True})
|
|
# Bug #21785
|
|
field = models.DateTimeField(auto_now=True, auto_now_add=True)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.DateTimeField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"auto_now_add": True, "auto_now": True})
|
|
|
|
def test_decimal_field(self):
|
|
field = models.DecimalField(max_digits=5, decimal_places=2)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.DecimalField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"max_digits": 5, "decimal_places": 2})
|
|
|
|
def test_decimal_field_0_decimal_places(self):
|
|
"""
|
|
A DecimalField with decimal_places=0 should work (#22272).
|
|
"""
|
|
field = models.DecimalField(max_digits=5, decimal_places=0)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.DecimalField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"max_digits": 5, "decimal_places": 0})
|
|
|
|
def test_email_field(self):
|
|
field = models.EmailField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.EmailField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"max_length": 254})
|
|
field = models.EmailField(max_length=255)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.EmailField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"max_length": 255})
|
|
|
|
def test_file_field(self):
|
|
field = models.FileField(upload_to="foo/bar")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.FileField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"upload_to": "foo/bar"})
|
|
# Test max_length
|
|
field = models.FileField(upload_to="foo/bar", max_length=200)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.FileField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"upload_to": "foo/bar", "max_length": 200})
|
|
|
|
def test_file_path_field(self):
|
|
field = models.FilePathField(match=".*\.txt$")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.FilePathField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"match": ".*\.txt$"})
|
|
field = models.FilePathField(recursive=True, allow_folders=True, max_length=123)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.FilePathField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"recursive": True, "allow_folders": True, "max_length": 123})
|
|
|
|
def test_float_field(self):
|
|
field = models.FloatField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.FloatField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|
|
|
|
def test_foreign_key(self):
|
|
# Test basic pointing
|
|
from django.contrib.auth.models import Permission
|
|
field = models.ForeignKey("auth.Permission")
|
|
field.rel.to = Permission
|
|
field.rel.field_name = "id"
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.ForeignKey")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"to": "auth.Permission"})
|
|
self.assertFalse(hasattr(kwargs['to'], "setting_name"))
|
|
# Test swap detection for swappable model
|
|
field = models.ForeignKey("auth.User")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.ForeignKey")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"to": "auth.User"})
|
|
self.assertEqual(kwargs['to'].setting_name, "AUTH_USER_MODEL")
|
|
# Test nonexistent (for now) model
|
|
field = models.ForeignKey("something.Else")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.ForeignKey")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"to": "something.Else"})
|
|
# Test on_delete
|
|
field = models.ForeignKey("auth.User", on_delete=models.SET_NULL)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.ForeignKey")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"to": "auth.User", "on_delete": models.SET_NULL})
|
|
# Test to_field preservation
|
|
field = models.ForeignKey("auth.Permission", to_field="foobar")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.ForeignKey")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"to": "auth.Permission", "to_field": "foobar"})
|
|
# Test related_name preservation
|
|
field = models.ForeignKey("auth.Permission", related_name="foobar")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.ForeignKey")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"to": "auth.Permission", "related_name": "foobar"})
|
|
|
|
@override_settings(AUTH_USER_MODEL="auth.Permission")
|
|
def test_foreign_key_swapped(self):
|
|
# It doesn't matter that we swapped out user for permission;
|
|
# there's no validation. We just want to check the setting stuff works.
|
|
field = models.ForeignKey("auth.Permission")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.ForeignKey")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"to": "auth.Permission"})
|
|
self.assertEqual(kwargs['to'].setting_name, "AUTH_USER_MODEL")
|
|
|
|
def test_image_field(self):
|
|
field = models.ImageField(upload_to="foo/barness", width_field="width", height_field="height")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.ImageField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"upload_to": "foo/barness", "width_field": "width", "height_field": "height"})
|
|
|
|
def test_integer_field(self):
|
|
field = models.IntegerField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.IntegerField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|
|
|
|
def test_ip_address_field(self):
|
|
field = models.IPAddressField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.IPAddressField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|
|
|
|
def test_generic_ip_address_field(self):
|
|
field = models.GenericIPAddressField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.GenericIPAddressField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|
|
field = models.GenericIPAddressField(protocol="IPv6")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.GenericIPAddressField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"protocol": "IPv6"})
|
|
|
|
def test_many_to_many_field(self):
|
|
# Test normal
|
|
field = models.ManyToManyField("auth.Permission")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.ManyToManyField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"to": "auth.Permission"})
|
|
self.assertFalse(hasattr(kwargs['to'], "setting_name"))
|
|
# Test swappable
|
|
field = models.ManyToManyField("auth.User")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.ManyToManyField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"to": "auth.User"})
|
|
self.assertEqual(kwargs['to'].setting_name, "AUTH_USER_MODEL")
|
|
# Test through
|
|
field = models.ManyToManyField("auth.Permission", through="auth.Group")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.ManyToManyField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"to": "auth.Permission", "through": "auth.Group"})
|
|
# Test custom db_table
|
|
field = models.ManyToManyField("auth.Permission", db_table="custom_table")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.ManyToManyField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"to": "auth.Permission", "db_table": "custom_table"})
|
|
# Test related_name
|
|
field = models.ManyToManyField("auth.Permission", related_name="custom_table")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.ManyToManyField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"to": "auth.Permission", "related_name": "custom_table"})
|
|
|
|
@override_settings(AUTH_USER_MODEL="auth.Permission")
|
|
def test_many_to_many_field_swapped(self):
|
|
# It doesn't matter that we swapped out user for permission;
|
|
# there's no validation. We just want to check the setting stuff works.
|
|
field = models.ManyToManyField("auth.Permission")
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.ManyToManyField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"to": "auth.Permission"})
|
|
self.assertEqual(kwargs['to'].setting_name, "AUTH_USER_MODEL")
|
|
|
|
def test_null_boolean_field(self):
|
|
field = models.NullBooleanField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.NullBooleanField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|
|
|
|
def test_positive_integer_field(self):
|
|
field = models.PositiveIntegerField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.PositiveIntegerField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|
|
|
|
def test_positive_small_integer_field(self):
|
|
field = models.PositiveSmallIntegerField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.PositiveSmallIntegerField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|
|
|
|
def test_slug_field(self):
|
|
field = models.SlugField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.SlugField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|
|
field = models.SlugField(db_index=False, max_length=231)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.SlugField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"db_index": False, "max_length": 231})
|
|
|
|
def test_small_integer_field(self):
|
|
field = models.SmallIntegerField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.SmallIntegerField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|
|
|
|
def test_text_field(self):
|
|
field = models.TextField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.TextField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|
|
|
|
def test_time_field(self):
|
|
field = models.TimeField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.TimeField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|
|
|
|
field = models.TimeField(auto_now=True)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {'auto_now': True})
|
|
|
|
field = models.TimeField(auto_now_add=True)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {'auto_now_add': True})
|
|
|
|
def test_url_field(self):
|
|
field = models.URLField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.URLField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|
|
field = models.URLField(max_length=231)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.URLField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {"max_length": 231})
|
|
|
|
def test_binary_field(self):
|
|
field = models.BinaryField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, "django.db.models.BinaryField")
|
|
self.assertEqual(args, [])
|
|
self.assertEqual(kwargs, {})
|