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_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_disabled_has_changed(self):
f = FileField(disabled=True)
self.assertIs(f.has_changed('x', 'y'), False)
