D2604: tests: add tests about diff quality

[indygreg (Gregory Szorc)]

indygreg requested changes to this revision.
indygreg added a comment.
This revision now requires changes to proceed.


  Can you please fix the Python 3 compatibility issues? If you want to push back, we can do it as a follow-up.

INLINE COMMENTS

> test-diff-antipatience.t:14
> +  $ hg init
> +  >>> open('a', 'w').write('\n'.join(list('a' + 'x' * 10 + 'u' + 'x' * 30 + 'a\n')))
> +  $ hg commit -m 1 -A a

This should be `'wb'` for Python 3 compatibility. And it should use `b''` literals.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D2604

To: quark, #hg-reviewers, indygreg
Cc: indygreg, mercurial-devel