1 files changed, 21 insertions, 0 deletions
diff --git a/contrib/python/wcwidth/py3/tests/conftest.py b/contrib/python/wcwidth/py3/tests/conftest.py
index ecbbdc876e0..dbaaed8faa5 100644
--- a/contrib/python/wcwidth/py3/tests/conftest.py
+++ b/contrib/python/wcwidth/py3/tests/conftest.py
@@ -1,8 +1,29 @@
 """Pytest configuration and fixtures."""
 
+# std imports
+import os
+
 # 3rd party
 import pytest
 
+# local
+from wcwidth._constants import resolve_terminal
+
+
+[email protected](autouse=True)
+def _clear_resolve_terminal_cache():
+    """Clear resolve_terminal cache and unset TERM/TERM_PROGRAM before each test."""
+    saved_term = os.environ.pop('TERM', None)
+    saved_tprog = os.environ.pop('TERM_PROGRAM', None)
+    resolve_terminal.cache_clear()
+    yield
+    resolve_terminal.cache_clear()
+    if saved_term is not None:
+        os.environ['TERM'] = saved_term
+    if saved_tprog is not None:
+        os.environ['TERM_PROGRAM'] = saved_tprog
+
+
 try:
     # 3rd party
     from pytest_codspeed import BenchmarkFixture  # noqa: F401  pylint:disable=unused-import