File pylint-pr7367-pythonpathtest.patch of Package python-pylint

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File pylint-pr7367-pythonpathtest.patch of Package python-pylint

diff --git a/tests/testutils/test_testutils_utils.py b/tests/testutils/test_testutils_utils.py
index 79f4e2a81..943a3479e 100644
--- a/tests/testutils/test_testutils_utils.py
+++ b/tests/testutils/test_testutils_utils.py
@@ -6,6 +6,8 @@ import os
 import sys
 from pathlib import Path
 
+import pytest
+
 from pylint.testutils.utils import _test_cwd, _test_environ_pythonpath, _test_sys_path
 
 
@@ -50,22 +52,27 @@ def test__test_cwd(tmp_path: Path) -> None:
     assert os.getcwd() == cwd
 
 
-def test__test_environ_pythonpath_no_arg() -> None:
-    python_path = os.environ.get("PYTHONPATH")
-    with _test_environ_pythonpath():
-        assert os.environ.get("PYTHONPATH") == python_path
-        new_pythonpath = "./whatever/:"
-        os.environ["PYTHONPATH"] = new_pythonpath
-        assert os.environ.get("PYTHONPATH") == new_pythonpath
-    assert os.environ.get("PYTHONPATH") == python_path
-
+@pytest.mark.parametrize("old_pythonpath", ["./oldpath/:", None])
+def test__test_environ_pythonpath_no_arg(old_pythonpath: str) -> None:
+    real_pythonpath = os.environ.get("PYTHONPATH")
+    with _test_environ_pythonpath(old_pythonpath):
+        with _test_environ_pythonpath():
+            assert os.environ.get("PYTHONPATH") is None
+            new_pythonpath = "./whatever/:"
+            os.environ["PYTHONPATH"] = new_pythonpath
+            assert os.environ.get("PYTHONPATH") == new_pythonpath
+        assert os.environ.get("PYTHONPATH") == old_pythonpath
+    assert os.environ.get("PYTHONPATH") == real_pythonpath
 
-def test__test_environ_pythonpath() -> None:
-    python_path = os.environ.get("PYTHONPATH")
-    new_pythonpath = "./whatever/:"
-    with _test_environ_pythonpath(new_pythonpath):
-        assert os.environ.get("PYTHONPATH") == new_pythonpath
-        newer_pythonpath = "./something_else/:"
-        os.environ["PYTHONPATH"] = newer_pythonpath
-        assert os.environ.get("PYTHONPATH") == newer_pythonpath
-    assert os.environ.get("PYTHONPATH") == python_path
+@ pytest.mark.parametrize("old_pythonpath", ["./oldpath/:", None])
+def test__test_environ_pythonpath(old_pythonpath: str) -> None:
+    real_pythonpath = os.environ.get("PYTHONPATH")
+    with _test_environ_pythonpath(old_pythonpath):
+        new_pythonpath = "./whatever/:"
+        with _test_environ_pythonpath(new_pythonpath):
+            assert os.environ.get("PYTHONPATH") == new_pythonpath
+            newer_pythonpath = "./something_else/:"
+            os.environ["PYTHONPATH"] = newer_pythonpath
+            assert os.environ.get("PYTHONPATH") == newer_pythonpath
+        assert os.environ.get("PYTHONPATH") == old_pythonpath
+    assert os.environ.get("PYTHONPATH") == real_pythonpath

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File pylint-pr7367-pythonpathtest.patch of Package python-pylint

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