how to test when correct output is "random"?
philh at cabalamat.org
Sat Apr 5 17:27:43 CEST 2003
On Fri, 4 Apr 2003 15:53:13 -0600, Jeff Epler <jepler at unpythonic.net> wrote:
>But other parts are based on randomness. "Alternation rules" are the
>foundation on which this is built. An alternation rule might read
> S: "a" | "b" | "c";
>Then, str(S) would yield one of the alternatives. Over many runs, it
>should yield each choice about an equal number of times. So how do
>I test this? Run a large number of trials and do a statistical test?
>This doesn't seem to fit in with the philosophy of software testing,
>which stresses exact repeatability.
If your code exhibits randomness, it obviously won't output the same
value every time. All you can do is test the values are reasonable:
statistical test are good. Also, check values are within legal
ranges, so for example a dice throw would have to be an integer from
1 to 6.
Philip Hunt <philh at cabalamat.org>
Interested in adventure holidays in Spain?
Look at: <http://www.cabalamat.org/advcon/>
More information about the Python-list