def test_composable_image_crop_offset():
img_size = (128, 64)
crop_size = (10, 10)
img = Image.new("RGB", img_size)
ci = ComposableImage(img, offset=(20, 20))
cropped_img = ci.image(crop_size)
assert cropped_img.size == crop_size
def test_composable_image_crop_size_greater_than_image_size():
img_size = (128, 64)
crop_size = (1000, 1000)
img = Image.new("RGB", img_size)
ci = ComposableImage(img)
cropped_img = ci.image(crop_size)
assert cropped_img.size == img_size
def test_composable_image_crop_same():
img_size = (128, 64)
crop_size = img_size
img = Image.new("RGB", img_size)
ci = ComposableImage(img)
cropped_img = ci.image(crop_size)
assert cropped_img.size == crop_size
def test_composable_image_ctor():
pos = (78, 12)
offs = (90, 12)
img_size = (123, 234)
img = Image.new("RGB", img_size)
ci = ComposableImage(img)
ci.position = pos
ci.offset = offs
assert ci.position == pos
assert ci.offset == offs
assert ci.width == img_size[0]
assert ci.height == img_size[1]
assert isinstance(ci.image((1, 1)), PIL.Image.Image)
def test_composable_image_image():
ci = ComposableImage(Image.new("RGB", (1, 1)))
with pytest.raises(AssertionError):
ci.image((0, 0))
with pytest.raises(AssertionError):
ci.image((1, 0))
with pytest.raises(AssertionError):
ci.image((0, 1))
