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Code Issues 32 Releases Wiki Activity

Fixed #34739 -- Added GEOSGeometry.equals_identical() method.

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This commit is contained in:
Olivier Tabone
2023-07-26 23:18:29 +02:00
committed by Mariusz Felisiak
parent 8edaf07a28
commit 0f3b1a783d
6 changed files with 96 additions and 2 deletions
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72
tests/gis_tests/geos_tests/test_geos.py
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@@ -1,11 +1,12 @@
import ctypes
import itertools
import json
import math
import pickle
import random
from binascii import a2b_hex
from io import BytesIO
from unittest import mock
from unittest import mock, skipIf
from django.contrib.gis import gdal
from django.contrib.gis.geos import (
@@ -241,6 +242,75 @@ class GEOSTest(SimpleTestCase, TestDataMixin):
self.assertEqual(p0, "SRID=0;POINT (5 23)")
self.assertNotEqual(p1, "SRID=0;POINT (5 23)")
@skipIf(geos_version_tuple() < (3, 12), "GEOS >= 3.12.0 is required")
def test_equals_identical(self):
tests = [
# Empty inputs of different types are not equals_identical.
("POINT EMPTY", "LINESTRING EMPTY", False),
# Empty inputs of different dimensions are not equals_identical.
("POINT EMPTY", "POINT Z EMPTY", False),
# Non-empty inputs of different dimensions are not equals_identical.
("POINT Z (1 2 3)", "POINT M (1 2 3)", False),
("POINT ZM (1 2 3 4)", "POINT Z (1 2 3)", False),
# Inputs with different structure are not equals_identical.
("LINESTRING (1 1, 2 2)", "MULTILINESTRING ((1 1, 2 2))", False),
# Inputs with different types are not equals_identical.
(
"GEOMETRYCOLLECTION (LINESTRING (1 1, 2 2))",
"MULTILINESTRING ((1 1, 2 2))",
False,
),
# Same lines are equals_identical.
("LINESTRING M (1 1 0, 2 2 1)", "LINESTRING M (1 1 0, 2 2 1)", True),
# Different lines are not equals_identical.
("LINESTRING M (1 1 0, 2 2 1)", "LINESTRING M (1 1 1, 2 2 1)", False),
# Same polygons are equals_identical.
("POLYGON ((0 0, 1 0, 1 1, 0 0))", "POLYGON ((0 0, 1 0, 1 1, 0 0))", True),
# Different polygons are not equals_identical.
("POLYGON ((0 0, 1 0, 1 1, 0 0))", "POLYGON ((1 0, 1 1, 0 0, 1 0))", False),
# Different polygons (number of holes) are not equals_identical.
(
"POLYGON ((0 0, 10 0, 10 10, 0 10, 0 0), (1 1, 2 1, 2 2, 1 1))",
(
"POLYGON ((0 0, 10 0, 10 10, 0 10, 0 0), (1 1, 2 1, 2 2, 1 1), "
"(3 3, 4 3, 4 4, 3 3))"
),
False,
),
# Same collections are equals_identical.
(
"MULTILINESTRING ((1 1, 2 2), (2 2, 3 3))",
"MULTILINESTRING ((1 1, 2 2), (2 2, 3 3))",
True,
),
# Different collections (structure) are not equals_identical.
(
"MULTILINESTRING ((1 1, 2 2), (2 2, 3 3))",
"MULTILINESTRING ((2 2, 3 3), (1 1, 2 2))",
False,
),
]
for g1, g2, is_equal_identical in tests:
with self.subTest(g1=g1, g2=g2):
self.assertIs(
fromstr(g1).equals_identical(fromstr(g2)), is_equal_identical
)
@skipIf(geos_version_tuple() < (3, 12), "GEOS >= 3.12.0 is required")
def test_infinite_values_equals_identical(self):
# Input with identical infinite values are equals_identical.
g1 = Point(x=float("nan"), y=math.inf)
g2 = Point(x=float("nan"), y=math.inf)
self.assertIs(g1.equals_identical(g2), True)
@mock.patch("django.contrib.gis.geos.libgeos.geos_version", lambda: b"3.11.0")
def test_equals_identical_geos_version(self):
g1 = fromstr("POINT (1 2 3)")
g2 = fromstr("POINT (1 2 3)")
msg = "GEOSGeometry.equals_identical() requires GEOS >= 3.12.0"
with self.assertRaisesMessage(GEOSException, msg):
g1.equals_identical(g2)
def test_points(self):
"Testing Point objects."
prev = fromstr("POINT(0 0)")