Test Checkout
=============


Boilerplate::

    >>> from buttercup import source

Stub call method to test what is to be done::

    >>> source.call = lambda *x, **kw: ' '.join(x[0])

Test __call__ method:: 

    >>> pyloader = 'http://k0s.org/hg/pyloader'
    >>> hgsource = source.HgSource(pyloader)
    >>> hgsource()