pitrou commented on code in PR #48601:
URL: https://github.com/apache/arrow/pull/48601#discussion_r2737403075


##########
python/pyarrow/tests/test_compute.py:
##########
@@ -2383,7 +2383,17 @@ def test_strftime():
                 result = pc.strftime(tsa, options=options)
                 # cast to the same type as result to ignore string vs 
large_string
                 expected = pa.array(ts.strftime(fmt)).cast(result.type)
-                assert result.equals(expected)
+                if sys.platform == "win32" and fmt == "%Z":
+                    # TODO(GH-48767): On Windows, std::chrono returns GMT 
offset
+                    # instead of timezone abbreviations (e.g. "CET")
+                    # https://github.com/apache/arrow/issues/48767
+                    is_valid = pc.or_kleene(pc.match_substring_regex(
+                        result, "^(UTC|GMT[+-][0-9]+)$"), pc.is_null(result))
+                    assert not pc.any(pc.invert(is_valid)).as_py(), \
+                        "All timezone values should be GMT offset format or 
UTC" \
+                        f"\nActual: {result}"

Review Comment:
   Can you make this less... complicated? Also put it in a helper function, 
because it's being duplicated.
   
   Also, again, it would be nice to test the actual values and not only the 
timezone suffix... You can split the strings or something.



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