def test_drawing_invokes_canvas_line_to(data: List[Polygon]):
canvas = PolygonAnnotationCanvas()
with patch.object(ipycanvas.Canvas, "line_to") as mock_line_to:
canvas.data = [poly.data for poly in data]
for polygon in data:
if len(polygon.points) > 1:
for point in polygon.points[1:]:
mock_line_to.assert_any_call(*point)
def test_reading_and_setting_data(data: List[Polygon]):
c = PolygonAnnotationCanvas()
serialised_data = [polygon.data for polygon in data]
with patch.object(c, "re_draw") as mock_draw:
c.data = serialised_data
mock_draw.assert_called()
assert all(p1 == p2 for p1, p2 in zip(c.polygons, data))
print(c.data)
print("type" in serialised_data)
assert c.data == serialised_data
def test_drawing_invokes_canvas_fill_arc_in_edit_mode(data: List[Polygon]):
assume(len(data) > 1)
canvas = PolygonAnnotationCanvas()
canvas.load_image(IMAGE)
print(canvas.image_extent)
canvas.editing = True
with patch.object(ipycanvas.Canvas, "fill_arcs") as mock_fill_arcs:
canvas.data = [poly.data for poly in data]
for polygon in data:
for point in polygon.points:
assert canvas.image_to_canvas_coordinates(point) == point
if len(polygon.points) > 1:
mock_fill_arcs.assert_any_call(
polygon.xy_lists[0],
polygon.xy_lists[1],
canvas.point_size,
0,
2 * pi,
)