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from math import pi
import pytest
from shapely.geometry import Point
from shapely.wkt import dump, dumps, load, loads
@pytest.fixture(scope="module")
def some_point():
return Point(pi, -pi)
@pytest.fixture(scope="module")
def empty_geometry():
return Point()
def test_wkt(some_point):
""".wkt and wkt.dumps() both do not trim by default."""
assert some_point.wkt == f"POINT ({pi:.15f} {-pi:.15f})"
def test_wkt_null(empty_geometry):
assert empty_geometry.wkt == "POINT EMPTY"
def test_dump_load(some_point, tmpdir):
file = tmpdir.join("test.wkt")
with open(file, "w") as file_pointer:
dump(some_point, file_pointer)
with open(file) as file_pointer:
restored = load(file_pointer)
assert some_point == restored
def test_dump_load_null_geometry(empty_geometry, tmpdir):
file = tmpdir.join("test.wkt")
with open(file, "w") as file_pointer:
dump(empty_geometry, file_pointer)
with open(file) as file_pointer:
restored = load(file_pointer)
# This is does not work with __eq__():
assert empty_geometry.equals(restored)
def test_dumps_loads(some_point):
assert dumps(some_point) == f"POINT ({pi:.16f} {-pi:.16f})"
assert loads(dumps(some_point)) == some_point
def test_dumps_loads_null_geometry(empty_geometry):
assert dumps(empty_geometry) == "POINT EMPTY"
# This is does not work with __eq__():
assert loads(dumps(empty_geometry)).equals(empty_geometry)
def test_dumps_precision(some_point):
assert dumps(some_point, rounding_precision=4) == f"POINT ({pi:.4f} {-pi:.4f})"
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