first you should import unittest, and write a class inherit unittest.TestCase. Then write some function named testXXX, which uses “test“ as its prefix. Then in main, call the class’s main() function.
this is an example:
In this example, TestFunctions.main() will call all functions like test_XXX between setUp() and tearDown(). The sequence is setUp()—>test_XXX()—>tearDown()—>setUp()—>test_XXX()—>tearDown()…..