class TestAuth(unittest.TestCase): def setUp(self): self._file_name = 'test_users.txt' self.auth = Auth(self._file_name) self._old_file_content = '' with open(self._file_name, 'r') as f: self._old_file_content = f.read() def tearDown(self): with open(self._file_name, 'w') as f: f.write(self._old_file_content) def test_has_user(self): result = self.auth.has_user('admin') self.assertTrue(result) result2 = self.auth.has_user('user') self.assertFalse(result2) def test_users_amount(self): self.assertEqual(self.auth.users_amount, 1) def test_validate_user(self): is_valid = self.auth.validate_user(name='admin', password='******') self.assertTrue(is_valid) is_valid2 = self.auth.validate_user(name='admin', password='******') self.assertFalse(is_valid2) is_valid3 = self.auth.validate_user(name='admin1', password='******') self.assertFalse(is_valid3) def test_add_user(self): user_name = 'user' self.auth.add_user(name=user_name, password='******') result = self.auth.has_user(user_name) self.assertTrue(result) self.assertEqual(self.auth.users_amount, 2) def test_delete_user(self): self.auth.delete_user(name='admin', password='******') self.assertFalse(self.auth.has_user('admin')) self.assertEqual(self.auth.users_amount, 0)