Undry Impl of Foo.py

foo.py

from unittest import TestCase
import nose.tools as nt


def foo(x,y):
        return (x+y), (x*y)

class FooTests_0(TestCase):

        def test_foo_does_add(self):
                x = 5
                y = 5
                expect = 10

                (result, _) = foo(x,y)

                nt.assert_equals(expect, result)

        def test_foo_does_multiply(self):
                x = 5
                y = 5
                expect = 25

                (_, result) = foo(x,y)

                nt.assert_equals(expect, result)