Increased strictness of existing tests.
Factored out largest data structure to fakes.
Tests now cover entire module, except for the
if main clause which is trivial.
The test module now has proper docstring.
Signed-off-by: Jiri Podivin <jpodivin@redhat.com>
Change-Id: I92e4096c97359f0294641a85b9f7491f82ebd883