test_unittest.py

# python3 test
import unittest

class TestFuncEquality(unittest.TestCase):

    def test_all(self) -> None:
        self.assertDictEqual({}, {})
        self.assertMultiLineEqual("", "")
        self.assertTupleEqual((2, 2), (2, 2))
        self.assertSetEqual(set([3]), set([3]))

    def test_all_w_msg(self) -> None:
        self.assertDictEqual({}, {}, msg="hi!")
        self.assertMultiLineEqual("", "", msg="test")
        self.assertTupleEqual((2, 2), (2, 2), msg=12)
        self.assertSetEqual(set([3]), set([3]), msg="test")

# python2.7
class TestFuncEquality(unittest.TestCase):

    def test_all(self):  # type: () -> None
        print "running"
        self.assertDictEqual({}, {})
        self.assertMultiLineEqual("", "")
        self.assertTupleEqual((2, 2), (2, 2))
        self.assertSetEqual(set([3]), set([3]))

    def test_all_w_msg(self):  # type: () -> None
        self.assertDictEqual({}, {}, msg="hi!")
        self.assertMultiLineEqual("", "", msg="hi")
        self.assertTupleEqual((2, 2), (2, 2), msg=12)
        self.assertSetEqual(set([3]), set([3]), msg="dude")