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from collections.abc import Iterable
import pytest
from gaphas.geometry import (
Rectangle,
distance_line_point,
distance_rectangle_border_point,
distance_rectangle_point,
intersect_line_line,
point_on_rectangle,
)
def test_rectangle_is_iterable():
assert isinstance(Rectangle(), Iterable)
def test_distance_line_point():
assert distance_line_point((0.0, 0.0), (2.0, 4.0), point=(3.0, 4.0)) == (
1.0,
(2.0, 4.0),
)
assert distance_line_point((0.0, 0.0), (2.0, 4.0), point=(-1.0, 0.0)) == (
1.0,
(0.0, 0.0),
)
assert distance_line_point((0.0, 0.0), (2.0, 4.0), point=(1.0, 2.0)) == (
0.0,
(1.0, 2.0),
)
def test_distance_line_point_complex():
d, p = distance_line_point((0.0, 0.0), (2.0, 4.0), point=(2.0, 2.0))
assert f"{d:.3f}" == "0.894"
assert f"({p[0]:.3f}, {p[1]:.3f})" == "(1.200, 2.400)"
@pytest.mark.parametrize(
["line_start", "line_end", "point"],
[
[(0, 0), (2, 2), (-1, 0)],
[(0, 0), (0, 0), (-1, 0)],
[(0, 0), (2, 2), (3, 2)],
[(0, 0), (2, 3), (1, 1)],
],
)
def test_distance_line_point_does_not_return_inputs(line_start, line_end, point):
# Rationale: inputs can be of a different type (e.g. Position)
# but the function should always return a tuple.
_distance, point_on_line = distance_line_point(line_start, line_end, point)
assert point_on_line is not line_start
assert point_on_line is not line_end
assert point_on_line is not point
def test_distance_rectangle_point():
assert distance_rectangle_point((2, 0, 2, 2), (0, 0)) == 2
assert distance_rectangle_point(Rectangle(0, 0, 10, 10), (11, -1)) == 2
assert distance_rectangle_point((0, 0, 10, 10), (11, -1)) == 2
assert distance_rectangle_point((0, 0, 10, 10), (-1, 11)) == 2
def test_distance_point_in_rectangle():
assert distance_rectangle_point((0, 0, 2, 2), (1, 1)) == 0
def test_distance_with_negative_numbers_in_rectangle():
assert distance_rectangle_point((-50, -100, 100, 100), (-17, -65)) == 0
def test_distance_rectangle_border_point():
assert distance_rectangle_border_point((2, 0, 2, 2), (0, 0)) == 2
assert distance_rectangle_border_point(Rectangle(0, 0, 10, 10), (11, -1)) == 2
assert distance_rectangle_border_point((0, 0, 10, 10), (11, -1)) == 2
assert distance_rectangle_border_point((0, 0, 10, 10), (3, 4)) == -3
assert distance_rectangle_border_point((0, 0, 2, 2), (1, 1)) == -1
def test_point_on_rectangle():
assert point_on_rectangle((2, 2, 2, 2), (0, 0)) == (2, 2)
assert point_on_rectangle((2, 2, 2, 2), (3, 0)) == (3, 2)
assert point_on_rectangle(Rectangle(0, 0, 10, 10), (11, -1)) == (10, 0)
assert point_on_rectangle((0, 0, 10, 10), (5, 12)) == (5, 10)
assert point_on_rectangle(Rectangle(0, 0, 10, 10), (12, 5)) == (10, 5)
assert point_on_rectangle(Rectangle(1, 1, 10, 10), (3, 4)) == (3, 4)
assert point_on_rectangle(Rectangle(1, 1, 10, 10), (0, 3)) == (1, 3)
assert point_on_rectangle(Rectangle(1, 1, 10, 10), (4, 3)) == (4, 3)
def test_point_on_rectangle_border():
assert point_on_rectangle(Rectangle(1, 1, 10, 10), (4, 9), border=True) == (4, 11)
assert point_on_rectangle((1, 1, 10, 10), (4, 6), border=True) == (1, 6)
assert point_on_rectangle(Rectangle(1, 1, 10, 10), (5, 3), border=True) == (5, 1)
assert point_on_rectangle(Rectangle(1, 1, 10, 10), (8, 4), border=True) == (11, 4)
assert point_on_rectangle((1, 1, 10, 100), (5, 8), border=True) == (1, 8)
assert point_on_rectangle((1, 1, 10, 100), (5, 98), border=True) == (5, 101)
def test_intersect_line_line():
assert intersect_line_line((3, 0), (8, 10), (0, 0), (10, 10)) == (6.5, 6.5)
assert intersect_line_line((0, 0), (10, 10), (3, 0), (8, 10)) == (6.5, 6.5)
assert intersect_line_line((0, 0), (10, 10), (8, 10), (3, 0)) == (6.5, 6.5)
assert intersect_line_line((8, 10), (3, 0), (0, 0), (10, 10)) == (6.5, 6.5)
def test_intersect_line_line_not_crossing():
assert intersect_line_line((0, 0), (0, 10), (3, 0), (8, 10)) is None
assert intersect_line_line((0, 0), (0, 10), (3, 0), (3, 10)) is None
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