1 files changed, 22 insertions, 0 deletions
diff --git a/tests/testdata/python3/data/fake_module_with_warnings.py b/tests/testdata/python3/data/fake_module_with_warnings.py
new file mode 100644
index 00000000..ac818153
--- /dev/null
+++ b/tests/testdata/python3/data/fake_module_with_warnings.py
@@ -0,0 +1,22 @@
+'''
+This is a mock of a module like Pandas, which can throw warnings for deprecated attributes
+'''
+import warnings
+
+
+def __dir__():
+    # GH43028
+    # Int64Index etc. are deprecated, but we still want them to be available in the dir.
+    # Remove in Pandas 2.0, when we remove Int64Index etc. from the code base.
+    return list(globals().keys()) + ["Float64Index"]
+
+
+def __getattr__(name):
+    if name == "Float64Index":
+        warnings.warn("This is what pandas would do", FutureWarning, stacklevel=2)
+        return 5
+    raise AttributeError(f"module 'pandas' has no attribute '{name}'")
+
+
+__all__ = ["Float64Index"]  # pylint: disable=E0603
+__doc__ = ""