Hi Frederik, On Tue, Oct 20, 2009 at 20:02 +0100, Frederik Dohr wrote: > In a brief conversation with Holger today, I confessed that for a long > time I couldn't bring myself to properly read up on funcargs. > While I appreciate the obvious efforts that have gone into creating the > comprehensive documentation*, it did seem just a little intimidating. > (Also, I generally prefer reading code to reading prose.)
It contains many examples and also a reference for the API. I consider splitting the two aspects. > Anyway, I finally played around a bit with funcargs, and it actually > turned out to be fairly easy to get started: > http://gist.github.com/214495 > > While those code samples are certainly not perfect, I figured it might > be useful to share this naive quickstart approach with the class. > I'll need to do more reading to assess whether or how this fits into the > existing documentation though. nice for understand setup - but i wonder. If py.test did some basic logging that shows which user code is invoked when (e.g. test function, setup functions, funcarg factories, plugin or conftest hooks ...) it would make such help-examples smaller and more focused. With "user code" i mean code invoked from the test tool. Below is a try at explaining funcargs from a "read-source" perspective. best & thanks for the feedback, holger A minimal example for using a funcarg begins like this:: def test_logging(tmpdir): p = tmpdir.mkdir("example") The 'tmpdir' is an empty temporary directory unique per test function. Let's use another funcarg to monkey-patch an environment variable and then do a test that our application honours it:: def test_logging(tmpdir, monkeypatch): p = tmpdir.join("logfile") monkeypatch.setenv('LOGFILE', p) ... call app which does logging ... s = p.read() assert "startup..." in s Both the tmpdir and the monkeypatch values are created from their respective funcarg factory. Here is the monkeypatch funcarg factory: http://bitbucket.org/hpk42/py-trunk/src/d9645744d8a5/_py/test/plugin/pytest_monkeypatch.py _______________________________________________ py-dev mailing list py-dev@codespeak.net http://codespeak.net/mailman/listinfo/py-dev
