53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
from django.test import TestCase
|
|
|
|
from .models import Document
|
|
|
|
|
|
class FileFieldTests(TestCase):
|
|
|
|
def test_clearable(self):
|
|
"""
|
|
FileField.save_form_data() will clear its instance attribute value if
|
|
passed False.
|
|
"""
|
|
d = Document(myfile='something.txt')
|
|
self.assertEqual(d.myfile, 'something.txt')
|
|
field = d._meta.get_field('myfile')
|
|
field.save_form_data(d, False)
|
|
self.assertEqual(d.myfile, '')
|
|
|
|
def test_unchanged(self):
|
|
"""
|
|
FileField.save_form_data() considers None to mean "no change" rather
|
|
than "clear".
|
|
"""
|
|
d = Document(myfile='something.txt')
|
|
self.assertEqual(d.myfile, 'something.txt')
|
|
field = d._meta.get_field('myfile')
|
|
field.save_form_data(d, None)
|
|
self.assertEqual(d.myfile, 'something.txt')
|
|
|
|
def test_changed(self):
|
|
"""
|
|
FileField.save_form_data(), if passed a truthy value, updates its
|
|
instance attribute.
|
|
"""
|
|
d = Document(myfile='something.txt')
|
|
self.assertEqual(d.myfile, 'something.txt')
|
|
field = d._meta.get_field('myfile')
|
|
field.save_form_data(d, 'else.txt')
|
|
self.assertEqual(d.myfile, 'else.txt')
|
|
|
|
def test_delete_when_file_unset(self):
|
|
"""
|
|
Calling delete on an unset FileField should not call the file deletion
|
|
process, but fail silently (#20660).
|
|
"""
|
|
d = Document()
|
|
d.myfile.delete()
|
|
|
|
def test_refresh_from_db(self):
|
|
d = Document.objects.create(myfile='something.txt')
|
|
d.refresh_from_db()
|
|
self.assertIs(d.myfile.instance, d)
|