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From f59293c180f846a220762701006d25655095991f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
Date: Sat, 23 Oct 2021 09:09:29 +0200
Subject: [PATCH] Fix test_describe_empty to work without global -Werror
Fix test_describe_empty to work when the test suite is run without
global -Werror. This is e.g. desirable for packagers who don't want
the test suite for a fixed version to suddenly start failing due to
DeprecationWarnings in dependencies that otherwise don't break
the package.
Since the test expects either a ValueError or a RuntimeWarning, it seems
that the easiest way to assert for that is to inject the "error" filter
for the scope of the call.
---
dask/dataframe/tests/test_dataframe.py | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/dask/dataframe/tests/test_dataframe.py b/dask/dataframe/tests/test_dataframe.py
index 32edb488..e0d88ba8 100644
--- a/dask/dataframe/tests/test_dataframe.py
+++ b/dask/dataframe/tests/test_dataframe.py
@@ -570,7 +570,11 @@ def test_describe_empty():
)
with pytest.raises((ValueError, RuntimeWarning)):
- ddf_len0.describe(percentiles_method="dask").compute()
+ with warnings.catch_warnings():
+ # ensure that the warning is turned into an error since this is
+ # the easiest way to assert for exception-or-warning
+ warnings.simplefilter("error")
+ ddf_len0.describe(percentiles_method="dask").compute()
with pytest.raises(ValueError):
ddf_nocols.describe(percentiles_method="dask").compute()
--
2.33.1
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