def test_interval():
i = Interval(1, 2, axis="y", canvas_height=30, canvas_width=400)
i.to_rectangle()
i.to_quadrilateral()
assert i.shift(1) == Interval(2,
3,
axis="y",
canvas_height=30,
canvas_width=400)
assert i.area == 1 * 400
i = Interval(1, 2, axis="x")
assert i.shift([1, 2]) == Interval(2, 3, axis="x")
assert i.scale([2, 1]) == Interval(2, 4, axis="x")
assert i.pad(left=10, right=20) == Interval(0, 22,
axis="x") # Test the safe_mode
assert i.pad(left=10, right=20, safe_mode=False) == Interval(-9,
22,
axis="x")
assert i.area == 0
img = np.random.randint(12, 24, (40, 40))
img[:, 10:20] = 0
i = Interval(5, 11, axis="x")
assert np.unique(i.crop_image(img)[:, -1]) == np.array([0])
def test_layout():
i = Interval(4, 5, axis="y")
q = Quadrilateral(np.array([[2, 2], [6, 2], [6, 7], [2, 5]]))
r = Rectangle(3, 3, 5, 6)
t = TextBlock(i, id=1, type=2, text="12")
l = Layout([i, q, r])
l.get_texts()
l.condition_on(i)
l.relative_to(q)
l.filter_by(t)
l.is_in(r)
assert l.get_homogeneous_blocks() == [
i.to_quadrilateral(), q, r.to_quadrilateral()
]
i2 = TextBlock(i, id=1, type=2, text="12")
r2 = TextBlock(r, id=1, type=2, parent="a")
q2 = TextBlock(q, id=1, type=2, next="a")
l2 = Layout([i2, r2, q2], page_data={"width": 200, "height": 200})
l2.get_texts()
l2.get_info("next")
l2.condition_on(i)
l2.relative_to(q)
l2.filter_by(t)
l2.is_in(r)
l2.scale(4)
l2.shift(4)
l2.pad(left=2)
# Test slicing function
homogeneous_blocks = l2[:2].get_homogeneous_blocks()
assert homogeneous_blocks[0].block == i.to_rectangle()
assert homogeneous_blocks[1].block == r
# Test appending and extending
assert l + [i2] == Layout([i, q, r, i2])
assert l + l == Layout([i, q, r] * 2)
l.append(i)
assert l == Layout([i, q, r, i])
l2.extend([q])
assert l2 == Layout([i2, r2, q2, q],
page_data={
"width": 200,
"height": 200
})
# Test addition
l + l2
with pytest.raises(ValueError):
l.page_data = {"width": 200, "height": 400}
l + l2
# Test sort
l = Layout([i, i.shift(2)])
l.sort(key=lambda x: x.coordinates[1], reverse=True)
assert l == Layout([i.shift(2), i])
l = Layout([q, r, i], page_data={"width": 200, "height": 400})
assert l.sort(key=lambda x: x.coordinates[0],
inplace=False) == Layout([i, q, r],
page_data={
"width": 200,
"height": 400
})
l = Layout([q, t])
assert l.sort(key=lambda x: x.coordinates[0],
inplace=False) == Layout([q, t])