make nuget version hashable

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

src/univers/nuget.py

@@ -175,6 +175,14 @@ def __lt__(self, other):
  # Revision is the same, so ignore it for comparison purposes.
  return self._base_semver < other._base_semver
 
+ def __hash__(self):
+ return hash(
+ (
+ self._base_semver.to_tuple(),
+ self._revision,
+ )
+ )
+
  @classmethod
  def from_string(cls, str_version):
  if not str_version:

tests/test_nuget.py

@@ -19,6 +19,7 @@
 
 import unittest
 from univers.versions import NugetVersion
+from univers.nuget import Version
 
 
 class NuGetTest(unittest.TestCase):
@@ -76,3 +77,13 @@ def test_less(self):
  self.check_order(self.assertLess, "1.0.0-pre", "1.0.0.1-alpha")
  self.check_order(self.assertLess, "1.0.0", "1.0.0.1-alpha")
  self.check_order(self.assertLess, "0.9.9.1", "1.0.0")
+
+ def test_NugetVersion_hash(self):
+ vers1 = NugetVersion("1.0.1+23")
+ vers2 = NugetVersion("1.0.1+23")
+ assert hash(vers1) == hash(vers2)
+
+ def test_nuget_semver_hash(self):
+ vers1 = Version.from_string("51.0.0+2")
+ vers2 = Version.from_string("51.0.0+2")
+ assert hash(vers1) == hash(vers2)

tests/test_python_semver.py

@@ -0,0 +1,16 @@
+#
+# Copyright (c) nexB Inc. and others.
+# SPDX-License-Identifier: Apache-2.0
+#
+# Visit https://aboutcode.org and https://github.com/nexB/univers for support and download.
+
+from unittest import TestCase
+import semver
+
+
+class TestPythonSemver(TestCase):
+ def test_semver_hash(self):
+ # python-semver doesn't consider build while hashing
+ vers1 = semver.VersionInfo.parse("1.2.3")
+ vers2 = semver.VersionInfo.parse("1.2.3+1")
+ assert hash(vers1) == hash(vers2)