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257 lines
11 KiB
Python
257 lines
11 KiB
Python
import warnings
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from django.test import TestCase
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from django.db import models
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class FieldDeconstructionTests(TestCase):
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"""
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Tests the deconstruct() method on all core fields.
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"""
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def test_name(self):
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"""
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Tests the outputting of the correct name if assigned one.
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"""
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# First try using a "normal" field
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field = models.CharField(max_length=65)
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(name, None)
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field.set_attributes_from_name("is_awesome_test")
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(name, "is_awesome_test")
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# Now try with a ForeignKey
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field = models.ForeignKey("some_fake.ModelName")
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(name, None)
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field.set_attributes_from_name("author")
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(name, "author")
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def test_auto_field(self):
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field = models.AutoField(primary_key=True)
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field.set_attributes_from_name("id")
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.AutoField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"primary_key": True})
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def test_big_integer_field(self):
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field = models.BigIntegerField()
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.BigIntegerField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {})
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def test_boolean_field(self):
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field = models.BooleanField()
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.BooleanField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {})
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field = models.BooleanField(default=True)
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.BooleanField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"default": True})
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def test_char_field(self):
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field = models.CharField(max_length=65)
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.CharField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"max_length": 65})
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field = models.CharField(max_length=65, null=True, blank=True)
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.CharField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"max_length": 65, "null": True, "blank": True})
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def test_csi_field(self):
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field = models.CommaSeparatedIntegerField(max_length=100)
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.CommaSeparatedIntegerField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"max_length": 100})
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def test_date_field(self):
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field = models.DateField()
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.DateField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {})
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field = models.DateField(auto_now=True)
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.DateField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"auto_now": True})
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def test_datetime_field(self):
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field = models.DateTimeField()
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.DateTimeField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {})
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field = models.DateTimeField(auto_now_add=True)
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.DateTimeField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"auto_now_add": True})
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def test_decimal_field(self):
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field = models.DecimalField(max_digits=5, decimal_places=2)
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.DecimalField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"max_digits": 5, "decimal_places": 2})
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def test_email_field(self):
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field = models.EmailField()
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.EmailField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"max_length": 75})
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field = models.EmailField(max_length=255)
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.EmailField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"max_length": 255})
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def test_file_field(self):
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field = models.FileField(upload_to="foo/bar")
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.FileField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"upload_to": "foo/bar"})
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def test_file_path_field(self):
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field = models.FilePathField(match=".*\.txt$")
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.FilePathField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"match": ".*\.txt$"})
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field = models.FilePathField(recursive=True, allow_folders=True)
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.FilePathField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"recursive": True, "allow_folders": True})
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def test_float_field(self):
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field = models.FloatField()
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.FloatField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {})
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def test_foreign_key(self):
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field = models.ForeignKey("auth.User")
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.ForeignKey")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"to": "auth.User"})
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field = models.ForeignKey("something.Else")
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.ForeignKey")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"to": "something.Else"})
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field = models.ForeignKey("auth.User", on_delete=models.SET_NULL)
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.ForeignKey")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"to": "auth.User", "on_delete": models.SET_NULL})
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def test_image_field(self):
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field = models.ImageField(upload_to="foo/barness", width_field="width", height_field="height")
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.ImageField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"upload_to": "foo/barness", "width_field": "width", "height_field": "height"})
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def test_integer_field(self):
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field = models.IntegerField()
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.IntegerField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {})
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def test_ip_address_field(self):
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with warnings.catch_warnings(record=True):
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warnings.simplefilter("always")
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field = models.IPAddressField()
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.IPAddressField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {})
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def test_generic_ip_address_field(self):
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field = models.GenericIPAddressField()
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.GenericIPAddressField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {})
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field = models.GenericIPAddressField(protocol="IPv6")
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.GenericIPAddressField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"protocol": "IPv6"})
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def test_many_to_many_field(self):
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field = models.ManyToManyField("auth.User")
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.ManyToManyField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"to": "auth.User"})
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def test_null_boolean_field(self):
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field = models.NullBooleanField()
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.NullBooleanField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {})
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def test_positive_integer_field(self):
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field = models.PositiveIntegerField()
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.PositiveIntegerField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {})
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def test_positive_small_integer_field(self):
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field = models.PositiveSmallIntegerField()
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.PositiveSmallIntegerField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {})
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def test_slug_field(self):
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field = models.SlugField()
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.SlugField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {})
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field = models.SlugField(db_index=False)
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.SlugField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {"db_index": False})
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def test_small_integer_field(self):
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field = models.SmallIntegerField()
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.SmallIntegerField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {})
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def test_text_field(self):
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field = models.TextField()
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.TextField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {})
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def test_url_field(self):
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field = models.URLField()
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name, path, args, kwargs = field.deconstruct()
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self.assertEqual(path, "django.db.models.URLField")
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self.assertEqual(args, [])
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self.assertEqual(kwargs, {})
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