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Fixed #22199: Bad max_length deconstruction for FileField

This commit is contained in:
Andrew Godwin 2014-03-08 13:59:12 -08:00
parent 28779abb75
commit cd7a2a077e
2 changed files with 16 additions and 7 deletions
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4
django/db/models/fields/files.py
View File

@ -270,9 +270,7 @@ class FileField(Field):
def deconstruct(self):
name, path, args, kwargs = super(FileField, self).deconstruct()
if kwargs.get("max_length", None) != 100:
kwargs["max_length"] = 100
else:
if kwargs.get("max_length", None) == 100:
del kwargs["max_length"]
kwargs['upload_to'] = self.upload_to
if self.storage is not default_storage:

19
tests/field_deconstruction/tests.py
View File

@ -128,6 +128,11 @@ class FieldDeconstructionTests(TestCase):
self.assertEqual(path, "django.db.models.FileField")
self.assertEqual(args, [])
self.assertEqual(kwargs, {"upload_to": "foo/bar"})
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$")
@ -135,11 +140,11 @@ class FieldDeconstructionTests(TestCase):
self.assertEqual(path, "django.db.models.FilePathField")
self.assertEqual(args, [])
self.assertEqual(kwargs, {"match": ".*\.txt$"})
field = models.FilePathField(recursive=True, allow_folders=True)
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})
self.assertEqual(kwargs, {"recursive": True, "allow_folders": True, "max_length": 123})
def test_float_field(self):
field = models.FloatField()
@ -276,11 +281,11 @@ class FieldDeconstructionTests(TestCase):
self.assertEqual(path, "django.db.models.SlugField")
self.assertEqual(args, [])
self.assertEqual(kwargs, {})
field = models.SlugField(db_index=False)
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})
self.assertEqual(kwargs, {"db_index": False, "max_length": 231})
def test_small_integer_field(self):
field = models.SmallIntegerField()
@ -302,3 +307,9 @@ class FieldDeconstructionTests(TestCase):
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})