gistfile1.py

import mox
import time

# Pretend this is a web view and that calling time.time is something you actually want to test
def some_function_that_calls_time_twice():
    start = time.time()
    # do super expensive work here... hit a database maybe?
    end = time.time()


class Tests(mox.MoxTestBase):
    def test_something(self):
        self.mox.StubOutWithMock(time, "time")
        time.time().AndReturn(5)
        time.time().AndReturn(6)

        self.mox.ReplayAll()

        some_function_that_calls_time_twice()