A proof of concept for better readability in tests

test_myclass.py

from testrunner import describe, it, before, after
import MyClass

with describe("My class can add"):

    with before:
        c = MyClass()

    with after:
        "clean up goes here" 

    with it("adds two and two"):
        assert c.add(2,2) == 4

    with it("adds negatives"):
        assert c.add(10, -10) == 0

    with it.raises("adding int and string", TypeError):
        c.add(10, 'foo') 

xterm.stdout

$ testrunner

My class can add
- adds two and two
- adds negatives
- raises adding int and string

3/3 tests passed