unittest_sample2.py

import unittest
from unittest.mock import MagicMock


class SampleMethod():

    def method_1(self):
        print('method_1')
        return 'method_1'

    def method_2(self):
        print('method_2')
        return 'method_2'


class TestSampleMethod(unittest.TestCase):
    def setUp(self):
        print('setUp')
        self.sample = SampleMethod()
        self.sample.method_1 = MagicMock(return_value='AAA')

    def tearDown(self):
        print('tearDown')

    def test_method_1(self):
        print('test_method_1')
        expected = 'AAA'
        actual = self.sample.method_1()
        self.assertEqual(expected, actual)


if __name__ == '__main__':
    # unittestを実行
    unittest.main()