def test_filter_none_raises_exception(self):
# A more open case, using a call corrupt because it has no
# filter. This should cause an exception of some kind, not
# caught and rendered as a broken image by the shortcut (so the
# lack of specifics)
image = utils.get_test_image()
with self.assertRaises(Exception):
get_reform_or_not_found(image, None)
utils.image_delete(image)
def test_fallback_unused(self):
image = utils.get_test_image()
# This makes a reform (image file found)
reform = get_reform_or_not_found(image, self.filter)
os.remove(reform.src.path)
utils.image_delete(image)
name = Path(reform.src.name).name
self.assertEqual(name, 'test-image_thumb.png')
def render(self, context):
try:
ifilter = registry(filter_id_resolve(context, self.filter_id))
reform = get_reform_or_not_found(self.instance, ifilter)
attrs = reform.attrs_dict.copy()
attrs.update(self.kwargs)
return mark_safe('<img {} />'.format(flatatt(attrs)))
except template.VariableDoesNotExist:
return ''
def test_fallback_not_found(self):
image = utils.get_test_image()
# delete file
os.remove(image.src.path)
image.src.delete(False)
# This fails because no file
reform = get_reform_or_not_found(image, self.filter)
image.delete(False)
stem = Path(reform.src.name).stem
self.assertEqual(stem, 'unfound')
