def test_patch_function(self):
record_calls = []
def target(n):
sleep(n) # sorry, need to sleep a little to get measurable execution time
record_calls.append(1)
target(0.05) # should not include totals from before patching
t = MonkeyTimer()
subject = t.patch_function(target, "target")
was_called = False
subject(0.1)
self.assertAlmostEqual(0.1, t._clock_time["target"], delta=0.01)
self.assertEqual(1, t._total_count["target"])
self.assertEqual(2, len(record_calls))
