A demo of a testing utility for the Python shell that automatically generates unit tests based on your interactive session

testhelper_demo.py

>>> import mylib, testhelper as th
>>> fibonacci = th.register(mylib.fibonacci)
>>> fib(12)
144
[testhelper] Is this the expected result (y[es]/n[o]/c[ancel])? y
>>> fib(-1)
Traceback (most recent call last):
  ...
ValueError
[testhelper] Is this the expected result (y[es]/n[o]/c[ancel])? y
>>> print(th.compile())
import unittest

import mylib

class MyTestCase(unittest.TestCase):
    def test_all(self):
        self.assertEqual(mylib.fib(12), 144)
        with self.assertRaises(ValueError):
            mylib.fib(-1)