mirror of
https://github.com/django/django.git
synced 2025-10-31 01:25:32 +00:00
82 lines
3.9 KiB
Python
82 lines
3.9 KiB
Python
# -*- coding: utf-8 -*-
|
|
from __future__ import unicode_literals
|
|
|
|
import pickle
|
|
|
|
from django.core.files.uploadedfile import SimpleUploadedFile
|
|
from django.forms import FileField, ValidationError
|
|
from django.test import SimpleTestCase
|
|
|
|
|
|
class FileFieldTest(SimpleTestCase):
|
|
|
|
def test_filefield_1(self):
|
|
f = FileField()
|
|
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
|
|
f.clean('')
|
|
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
|
|
f.clean('', '')
|
|
self.assertEqual('files/test1.pdf', f.clean('', 'files/test1.pdf'))
|
|
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
|
|
f.clean(None)
|
|
with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
|
|
f.clean(None, '')
|
|
self.assertEqual('files/test2.pdf', f.clean(None, 'files/test2.pdf'))
|
|
no_file_msg = "'No file was submitted. Check the encoding type on the form.'"
|
|
with self.assertRaisesMessage(ValidationError, no_file_msg):
|
|
f.clean(SimpleUploadedFile('', b''))
|
|
with self.assertRaisesMessage(ValidationError, no_file_msg):
|
|
f.clean(SimpleUploadedFile('', b''), '')
|
|
self.assertEqual('files/test3.pdf', f.clean(None, 'files/test3.pdf'))
|
|
with self.assertRaisesMessage(ValidationError, no_file_msg):
|
|
f.clean('some content that is not a file')
|
|
with self.assertRaisesMessage(ValidationError, "'The submitted file is empty.'"):
|
|
f.clean(SimpleUploadedFile('name', None))
|
|
with self.assertRaisesMessage(ValidationError, "'The submitted file is empty.'"):
|
|
f.clean(SimpleUploadedFile('name', b''))
|
|
self.assertEqual(SimpleUploadedFile, type(f.clean(SimpleUploadedFile('name', b'Some File Content'))))
|
|
self.assertIsInstance(
|
|
f.clean(SimpleUploadedFile('我隻氣墊船裝滿晒鱔.txt', 'मेरी मँडराने वाली नाव सर्पमीनों से भरी ह'.encode('utf-8'))),
|
|
SimpleUploadedFile
|
|
)
|
|
self.assertIsInstance(
|
|
f.clean(SimpleUploadedFile('name', b'Some File Content'), 'files/test4.pdf'),
|
|
SimpleUploadedFile
|
|
)
|
|
|
|
def test_filefield_2(self):
|
|
f = FileField(max_length=5)
|
|
with self.assertRaisesMessage(ValidationError, "'Ensure this filename has at most 5 characters (it has 18).'"):
|
|
f.clean(SimpleUploadedFile('test_maxlength.txt', b'hello world'))
|
|
self.assertEqual('files/test1.pdf', f.clean('', 'files/test1.pdf'))
|
|
self.assertEqual('files/test2.pdf', f.clean(None, 'files/test2.pdf'))
|
|
self.assertIsInstance(f.clean(SimpleUploadedFile('name', b'Some File Content')), SimpleUploadedFile)
|
|
|
|
def test_filefield_3(self):
|
|
f = FileField(allow_empty_file=True)
|
|
self.assertIsInstance(f.clean(SimpleUploadedFile('name', b'')), SimpleUploadedFile)
|
|
|
|
def test_filefield_changed(self):
|
|
"""
|
|
The value of data will more than likely come from request.FILES. The
|
|
value of initial data will likely be a filename stored in the database.
|
|
Since its value is of no use to a FileField it is ignored.
|
|
"""
|
|
f = FileField()
|
|
|
|
# No file was uploaded and no initial data.
|
|
self.assertFalse(f.has_changed('', None))
|
|
|
|
# A file was uploaded and no initial data.
|
|
self.assertTrue(f.has_changed('', {'filename': 'resume.txt', 'content': 'My resume'}))
|
|
|
|
# A file was not uploaded, but there is initial data
|
|
self.assertFalse(f.has_changed('resume.txt', None))
|
|
|
|
# A file was uploaded and there is initial data (file identity is not dealt
|
|
# with here)
|
|
self.assertTrue(f.has_changed('resume.txt', {'filename': 'resume.txt', 'content': 'My resume'}))
|
|
|
|
def test_file_picklable(self):
|
|
self.assertIsInstance(pickle.loads(pickle.dumps(FileField())), FileField)
|