def test_frame_size_bounds_scaling():
model = RoiModel((400, 800))
model.bounds = (100, 200, 300, 400)
# bounds should be scaled by frame_size changes
model.frame_size = (800, 400)
assert model.bounds == (200, 100, 600, 200)
model.frame_size = (400, 800)
assert model.bounds == (100, 200, 300, 400)
def test_bounds_cutoff():
model = RoiModel((100, 200))
# model bounds should stay within full frame
model.bounds = (-1, -100, 200, 300)
assert model.bounds == (0, 0, 99, 199)
# model bounds should always have area > 0
model.bounds = (500, 500, 400, 400)
minx, miny, maxx, maxy = model.bounds
assert 0 <= minx < maxx < 100 and 0 <= miny < maxy < 200
# model bounds should always have area > 0
model.bounds = (-100, -200, -400, -300)
minx, miny, maxx, maxy = model.bounds
assert 0 <= minx < maxx < 100 and 0 <= miny < maxy < 200
def test_model_init_bounds():
# initial bounds should be full frame
model = RoiModel((100, 200))
assert model.bounds == (0, 0, 99, 199)
def test_model_revalidation(invalid_model: RoiModel):
# setting valid frame_size should revalidate model
invalid_model.frame_size = (200, 400)
assert not invalid_model.is_invalid()
def test_model_invalidation_by_frame_size(valid_model: RoiModel):
# setting invalid frame_size should make the model invalid
valid_model.frame_size = (-1, 100)
assert valid_model.is_invalid()
def test_model_invalidation_by_set(valid_model: RoiModel):
# set_invalid should make the model invalid
valid_model.set_invalid()
assert valid_model.is_invalid()
def test_model_init_validity():
model = RoiModel((300, 200))
assert not model.is_invalid()
# any dimension <= 0 should be invalid
model = RoiModel((0, 0))
assert model.is_invalid()
model = RoiModel((1, 0))
assert model.is_invalid()
model = RoiModel((0, 1))
assert model.is_invalid()
model = RoiModel((1, -100))
assert model.is_invalid()
model = RoiModel((-100, 1))
assert model.is_invalid()
def valid_model():
return RoiModel((300, 200))
def invalid_model():
return RoiModel((0, 0))