unit testing python

unittest module in python

import unittest

class TestStringMethods(unittest.TestCase):

    def test_upper(self):
        self.assertEqual('foo'.upper(), 'FOO')

    def test_isupper(self):
        self.assertTrue('FOO'.isupper())
        self.assertFalse('Foo'.isupper())

    def test_split(self):
        s = 'hello world'
        self.assertEqual(s.split(), ['hello', 'world'])
        # check that s.split fails when the separator is not a string
        with self.assertRaises(TypeError):
            s.split(2)

if __name__ == '__main__':
    unittest.main()

Posted by: Guest on March-06-2020

Source

import unittest class TestStringMethods(unittest.TestCase): def test_upper(self): self.assertEqual('foo'.upper(), 'FOO') def test_isupper(self): self.assertTrue('FOO'.isupper()) self.assertFalse('Foo'.isupper()) def test_split(self): s = 'hello world' self.assertEqual(s.split(), ['hello', 'world']) # check that s.split fails when the separator is not a string with self.assertRaises(TypeError): s.split(2) if __name__ == '__main__': unittest.main()

class MyUnitTest(unittest.TestCase): @classmethod def setUpClass(cls): do_something_expensive_for_all_sets_of_tests() class MyFirstSetOfTests(MyUnitTest): @classmethod def setUpClass(cls): super(MyFirstSetOfTests, cls).setUpClass() do_something_expensive_for_just_these_first_tests()

''' In other words, assertEquals is a function to check if two variables are equal, for purposes of automated testing: ''' def assertEquals(var1, var2): if var1 == var2: return True else: return False

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