Add back env.deprecated_call

Signed-off-by: Michael Carlstrom <[email protected]>

Author: InvincibleRMC

tests/conftest.py

@@ -332,7 +332,7 @@ def check(
         expected: _EXPECTED_T,
     ) -> bool:
         if sys.version_info < (3, 10) and env.CPYTHON:
-            with pytest.deprecated_call():
+            with env.deprecated_call():
                 return convert(value) == expected
         else:
             return convert(value) == expected

tests/env.py

@@ -3,6 +3,9 @@
 import platform
 import sys
 import sysconfig
+from typing import Any
+
+import pytest
 
 ANDROID = sys.platform.startswith("android")
 LINUX = sys.platform.startswith("linux")
@@ -27,3 +30,19 @@
     or GRAALPY
     or (CPYTHON and PY_GIL_DISABLED and (3, 13) <= sys.version_info < (3, 14))
 )
+
+
+def deprecated_call() -> Any:
+    """
+    pytest.deprecated_call() seems broken in pytest<3.9.x; concretely, it
+    doesn't work on CPython 3.8.0 with pytest==3.3.2 on Ubuntu 18.04 (#2922).
+
+    This is a narrowed reimplementation of the following PR :(
+    https://github.com/pytest-dev/pytest/pull/4104
+    """
+    # TODO: Remove this when testing requires pytest>=3.9.
+    pieces = pytest.__version__.split(".")
+    pytest_major_minor = (int(pieces[0]), int(pieces[1]))
+    if pytest_major_minor < (3, 9):
+        return pytest.warns((DeprecationWarning, PendingDeprecationWarning))
+    return pytest.deprecated_call()