def test_non_valid_sizes(coordinates: Strategy[Scalar],
non_valid_sizes_pair: SizesPair) -> None:
min_size, max_size = non_valid_sizes_pair
with pytest.warns(HypothesisWarning) as warnings:
concave_contours(coordinates, min_size=min_size, max_size=max_size)
assert len(warnings) == 1
def test_same_coordinates(data: DataObject,
coordinates_limits_type: ScalarsLimitsType,
sizes_pair: SizesPair) -> None:
(coordinates, (min_value, max_value)), type_ = coordinates_limits_type
min_size, max_size = sizes_pair
strategy = concave_contours(coordinates,
min_size=min_size,
max_size=max_size)
result = data.draw(strategy)
assert is_contour(result)
assert contour_has_valid_sizes(result,
min_size=min_size,
max_size=max_size)
assert contour_has_coordinates_types(result, x_type=type_, y_type=type_)
assert contour_has_coordinates_in_range(result,
min_x_value=min_value,
max_x_value=max_value,
min_y_value=min_value,
max_y_value=max_value)
assert are_vertices_strict(result.vertices)
assert are_vertices_non_convex(result.vertices)
assert is_contour_non_self_intersecting(result)
assert is_contour_counterclockwise(result)
def test_properties(data: DataObject,
coordinates_limits_type_pair: Tuple[ScalarsLimitsType,
ScalarsLimitsType],
sizes_pair: SizesPair) -> None:
(x_coordinates_limits_type,
y_coordinates_limits_type) = coordinates_limits_type_pair
((x_coordinates, (min_x_value, max_x_value)),
x_type) = x_coordinates_limits_type
((y_coordinates, (min_y_value, max_y_value)),
y_type) = y_coordinates_limits_type
min_size, max_size = sizes_pair
strategy = concave_contours(x_coordinates,
y_coordinates,
min_size=min_size,
max_size=max_size)
result = data.draw(strategy)
assert is_contour(result)
assert contour_has_valid_sizes(result,
min_size=min_size,
max_size=max_size)
assert contour_has_coordinates_types(result, x_type=x_type, y_type=y_type)
assert contour_has_coordinates_in_range(result,
min_x_value=min_x_value,
max_x_value=max_x_value,
min_y_value=min_y_value,
max_y_value=max_y_value)
assert is_contour_strict(result)
assert are_vertices_non_convex(result.vertices)
assert is_contour_non_self_intersecting(result)
assert is_contour_counterclockwise(result)
def test_basic(coordinates: Strategy[Scalar], sizes_pair: SizesPair) -> None:
min_size, max_size = sizes_pair
result = concave_contours(coordinates,
min_size=min_size,
max_size=max_size)
assert isinstance(result, Strategy)
def test_invalid_sizes(coordinates: Strategy[Scalar],
invalid_sizes_pair: SizesPair) -> None:
min_size, max_size = invalid_sizes_pair
with pytest.raises(ValueError):
concave_contours(coordinates, min_size=min_size, max_size=max_size)