def test_point_ordering(points):
for p, q in zip(*points):
pp, pq = Point(*p), Point(*q)
assert (pp < pq) == (p < q)
assert (pp <= pq) == (p <= q)
assert (pp > pq) == (p > q)
assert (pp >= pq) == (p >= q)
def test_rectangle_centered_at():
x, y = 1, 2
radius = 2
rect_centered_at_xy = Rectangle.centered_at(Point(x, y), radius)
assert rect_centered_at_xy.area == (2 * radius)**2
assert rect_centered_at_xy.width == 2 * radius
assert rect_centered_at_xy.height == 2 * radius
assert rect_centered_at_xy == Rectangle.from_list(
(x - radius, y - radius, x + radius, y + radius))
with pytest.raises(ValueError):
Rectangle.centered_at(Point(1, 2), -1)
def test_rectangle_from_many_representations():
x1, y1 = 0, 1
x2, y2 = 2, 3
r1 = Rectangle.from_list((x1, y1, x2, y2))
r2 = Rectangle(Point(x1, y1), Point(x2, y2))
r3 = Rectangle.from_list([x1, y1, x2, y2])
r4 = Rectangle.from_list([x1, y2, x2, y1])
r5 = Rectangle.from_list([x2, y2, x1, y1])
rects = [r1, r2, r3, r4, r5]
for ri, rj in it.product(rects, repeat=2):
assert ri == rj
r_different = Rectangle.from_list([y1, x1, x2, y2])
for r in rects:
assert r != r_different
def test_rectangle_contains():
r_large = Rectangle.from_list([0, 0, 5, 5])
r_small = Rectangle.from_list([1, 1, 2, 2])
r_mid = Rectangle.from_list([-1, -1, 3, 3])
r_touching = Rectangle.from_list([0, 0, 4, 5])
assert r_small in r_small # pylint: disable=comparison-with-itself
assert r_small in r_large
assert r_mid not in r_large
assert r_touching in r_large
assert r_small in r_mid
assert r_mid not in r_touching
assert r_small in r_touching
assert Point(0, 0) in r_large
assert Point(0, 0) not in r_small
assert Point(1, 1) in r_large
assert Point(1, 1) in r_small
def test_rectangle_centered_at():
x, y = 1, 2
radius = 2
rect_centered_at_xy = Rectangle.centered_at(Point(x, y), radius)
assert rect_centered_at_xy.area == (2 * radius) ** 2
assert rect_centered_at_xy.width == 2 * radius
assert rect_centered_at_xy.height == 2 * radius
assert rect_centered_at_xy == Rectangle.from_list((x - radius, y - radius, x + radius, y + radius))
def test_rectangle_properties():
x1, y1 = 0, 1
x2, y2 = 2, 3
w = x2 - x1
h = y2 - y1
r = Rectangle.from_list((x1, y1, x2, y2))
assert r.x == x1
assert r.y == y1
assert r.center == Point((x1 + x2) / 2, (y1 + y2) / 2)
assert r.width == w
assert r.height == h
assert r.area == w * h
assert r.bounds == (0, 1, 2, 3)
def test_point_unpacking():
x, y = Point(3, 4)
assert x == 3
assert y == 4
def test_point_zero():
a = Point.zero()
b = Point.zero()
assert a + b == Point(0, 0)
def test_point_equality(points):
for p, q in zip(*points):
pp, pq = Point(*p), Point(*q)
assert (pp == pq) == (p == q)
assert (pp != pq) == (p != q)
def test_rectangle_unpacking():
x, y, w, h = Rectangle(Point(3, 4), Point(5, 7))
assert x == 3
assert y == 4
assert w == 2
assert h == 3
def test_rectangle_bounding_box():
r1 = Rectangle(Point(0, 1), Point(2, 3))
r2 = Rectangle(Point(0, 0), Point(4, 2))
assert Rectangle.bounding_box([r1,
r2]) == Rectangle(Point(0, 0), Point(4, 3))
def test_rectangle_sub():
r_large = Rectangle.from_list([0, 0, 5, 5])
r_moved = r_large - Point(1, 2)
assert r_moved.bounds == (-1, -2, 4, 3)
def test_rectangle_add():
r_large = Rectangle.from_list([0, 0, 5, 5])
r_moved = r_large + Point(1, 2)
assert r_moved.bounds == (1, 2, 6, 7)
