On Sun, Feb 10, 2013 at 12:43 PM, Nick Coghlan <report@bugs.python.org>wrote:

>
> Nick Coghlan added the comment:
>
> You can use subtests to build parameterized tests, you can't use
> parameterized tests to build subtests.

I doubt you can implement parametrized tests via subtests especially for
functional testing and its fixture needs.

The standard library can also
> be converted to using subtests *far* more readily than it could be
> converted to parameterized tests.

I can see that and for this reason and the stdlib's use cases it might make
sense to support it.  The unittest module is also used in many other
contexts so it shouldn't be the only verification criterium.

best,
holger