[issue7032] Make assertMultilineEqual default for unicode string comparison in

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

> Because diffing binary data isn't useful...

But often it's non-binary data ;)

> This is the reason that assertMultilineEqual isn't already the default
> for comparing strings - because in Python 2 when you have strings you
> don't know if the intention is for them to contain textual information
> or binary information.

You could have a heuristic which counts the number of "\n" bytes and, if
there are more than 1/80th of them, you're likely to have some text.

(80 being the typical max line length)

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<http://bugs.python.org/issue7032>
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