def test_empty(self):
"""
Thumbnails are not generated if there isn't anything to generate...
"""
profile = models.Profile(avatar=None)
files = self.fake_save(profile)
self.assertEqual(len(files), 1)
def test_no_change(self):
"""
Thumbnails are only generated when the file is modified.
"""
profile = models.Profile(avatar='avatars/test.jpg')
files = self.fake_save(profile)
self.assertEqual(len(files), 1)
def test_standard_filefield(self):
profile = models.Profile(avatar='avatars/test.jpg')
# Attach a File object to the FileField descriptor, emulating an
# upload.
profile.logo = self.storage.open(
self.create_image(self.storage, 'avatars/second.jpg'))
list_files = self.fake_save(profile)
# 2 source, 2 thumbs.
self.assertEqual(len(list_files), 4)
def test_changed(self):
"""
When a file is modified, thumbnails are built for all matching and
project-wide aliases.
"""
profile = models.Profile(avatar='avatars/test.jpg')
profile.avatar._committed = False
files = self.fake_save(profile)
# 1 source, 4 specific thumbs, 1 project-wide thumb.
self.assertEqual(len(files), 6)
def test_changed(self):
"""
When a file is modified, thumbnails are built for all matching
non-global aliases.
"""
profile = models.Profile(avatar='avatars/test.jpg')
profile.avatar._committed = False
files = self.fake_save(profile)
# 1 source, 4 thumbs.
self.assertEqual(len(files), 5)
def test_clearable(self):
"""
A ClearablFileInput will set field value to False before pre_save
"""
profile = models.Profile(avatar='avatars/test.jpg')
cls = profile.__class__
profile.avatar = False
pre_save.send(sender=cls, instance=profile)
# Saving will then properly clear
profile.avatar = ''
post_save.send(sender=cls, instance=profile)
# FileField is cleared, but not explicitly deleted, file remains
files = self.storage.listdir('avatars')[1]
self.assertEqual(len(files), 1)
def test_deleted(self):
profile = models.Profile(avatar='avatars/test.jpg')
profile.avatar.delete(save=False)
files = self.fake_save(profile)
self.assertEqual(len(files), 0)
def test_thumbnailer_fieldfile(self):
profile = models.Profile(avatar='avatars/test.jpg')
thumbnailer = files.get_thumbnailer(profile.avatar)
thumb = thumbnailer['small']
self.assertEqual((thumb.width, thumb.height), (20, 20))