[py-dev] New plugin: pytest-monkeyplus

[holger krekel]

Hi Virgil,

not sure everyone is aware here (or in general) of the "monkeypatch"
funcarg injection, so i first point to an older blog post of mine about it:

    http://tetamap.wordpress.com/2009/03/03/monkeypatching-in-unit-tests-done-right/

it helps a lot if you quickly and safely want to patch global 
module/class attrs, dictionaries, environment variables etc. 
inside a test.

On Wed, Feb 16, 2011 at 10:41 +0100, Virgil Dupras wrote:
> Hi there,
> 
> A few weeks ago I talked about the possibility of adding helpers to the monkeypatch module. Today, I'm publishing a new plugin which I called "monkeyplus" to test the water with these new helpers (patch_osstat, patch_today).
> 
> Repository is at https://bitbucket.org/hsoft/pytest-monkeyplus

I like it from reading your docs,
https://bitbucket.org/hsoft/pytest-monkeyplus/src

Would simplify some of my tests.  Maybe others have more suggestions
of what could be useful to have monkeypatch support for? 
we have this currently:

    monkeypatch.setattr(obj, name, value, raising=True)
    monkeypatch.delattr(obj, name, raising=True)
    monkeypatch.setitem(mapping, name, value)
    monkeypatch.delitem(obj, name, raising=True)
    monkeypatch.setenv(name, value, prepend=False)
    monkeypatch.delenv(name, value, raising=True)
    monkeypatch.syspath_prepend(path)

and with Virgils monkeyplus:

    monkeyplus.patch_osstat('foo/bar', st_mtime=42)
    monkeyplus.patch_today(year, month, day)
   
from my side, for consistency the names should eventually be 

    monkeypatch.osstat(path, **attrs)
    monkeypatch.today(year, month, day)

If more people like such additions i'd be happy to incorporate
a patch for the next release.

best,
holger

> Virgil Dupras
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