import unittest
from shapely.geometry import LineString, MultiPoint, Point, Polygon
class OperatorsTestCase(unittest.TestCase):
def test_point(self):
point = Point(0, 0)
point2 = Point(-1, 1)
assert point.union(point2).equals(point | point2)
assert (point & point2).is_empty
assert point.equals(point - point2)
assert point.symmetric_difference(point2).equals(point ^ point2)
assert point != point2
point_dupe = Point(0, 0)
assert point, point_dupe
def test_multipoint(self):
mp1 = MultiPoint([(0, 0), (1, 1)])
mp1_dup = MultiPoint([(0, 0), (1, 1)])
mp1_rev = MultiPoint([(1, 1), (0, 0)])
mp2 = MultiPoint([(0, 0), (1, 1), (2, 2)])
mp3 = MultiPoint([(0, 0), (1, 1), (2, 3)])
assert mp1 == mp1_dup
assert mp1 != mp1_rev
assert mp1 != mp2
assert mp2 != mp3
p = Point(0, 0)
mp = MultiPoint([(0, 0)])
assert p != mp
assert mp != p
def test_polygon(self):
shell = ((0, 0), (3, 0), (3, 3), (0, 3))
hole = ((1, 1), (2, 1), (2, 2), (1, 2))
p_solid = Polygon(shell)
p2_solid = Polygon(shell)
p_hole = Polygon(shell, holes=[hole])
p2_hole = Polygon(shell, holes=[hole])
assert p_solid == p2_solid
assert p_hole == p2_hole
assert p_solid != p_hole
shell2 = ((-5, 2), (10.5, 3), (7, 3))
p3_hole = Polygon(shell2, holes=[hole])
assert p_hole != p3_hole
def test_linestring(self):
line1 = LineString([(0, 0), (1, 1), (2, 2)])
line2 = LineString([(0, 0), (2, 2)])
line2_dup = LineString([(0, 0), (2, 2)])
# .equals() indicates these are the same
assert line1.equals(line2)
# but != indicates these are different
assert line1 != line2
# but dupes are the same with ==
assert line2 == line2_dup