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https://issues.apache.org/jira/browse/ARROW-2647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17065957#comment-17065957
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Joris Van den Bossche commented on ARROW-2647:
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I also regularly run into this that a {{assert result.equals(expected)}} does
not give much information about why the objects are different, so +1 on adding
something like this.
> [C++/Python] Provide assertion helpers in the style of
> pandas.testing.assert_frame_equal
> ----------------------------------------------------------------------------------------
>
> Key: ARROW-2647
> URL: https://issues.apache.org/jira/browse/ARROW-2647
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++, Python
> Reporter: Uwe Korn
> Priority: Major
> Labels: outline_for_beginners
>
> Pandas provides helper functions for writing tests based on its data
> structures that output an explanative error message on assertion failures. In
> constrast, Arrow at the moment only supports boolean equals comparisons. We
> should add helper functions that also give a very detailed response on where
> the comparison failed.
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