def test_resize_no_crop(self):
image = Mock()
image.crop.return_value = image
image.size = (10, 10)
target = (20, 20)
crop_resize(image, target)
assert image.crop.called is False
image.resize.assert_called_with(target, Image.ANTIALIAS)
def test_resize_horizontal_crop(self):
image = Mock()
image.crop.return_value = image
image.size = (10, 10)
target = (10, 5)
crop_resize(image, target)
assert image.crop.called is True
image.crop.assert_called_with((0, 2, 10, 8))
image.resize.assert_called_with(target, Image.ANTIALIAS)
def test_resize_vertical_crop(self):
image = Mock()
image.crop.return_value = image
image.size = (10, 10)
target = (5, 10)
crop_resize(image, target)
assert image.crop.called is True
image.crop.assert_called_with((2, 0, 8, 10))
image.resize.assert_called_with(target, Image.ANTIALIAS)
def placeholder_image(w, h, ext='jpeg'):
# Check max dimensions
maxh = current_app.config['MAX_IMAGE_HEIGHT']
maxw = current_app.config['MAX_IMAGE_WIDTH']
if h > maxh or w > maxw:
raise BadRequest('Image must be smaller than %ix%i' % (maxw, maxh))
if ext not in ALLOWED_IMAGE_FORMATS:
raise BadRequest(
'Allowed formats are: %s' % ', '.join(ALLOWED_IMAGE_FORMATS)
)
img = random.choice(images)
img = crop_resize(img, (w, h))
return serve_pil_image(img, ext)
