Getting Python's unittest results in a tearDown() method (my SO answer, question 4414234)

results_in_teardown.py

"""Getting Python's unittest results in a tearDown() method
https://stackoverflow.com/questions/4414234/getting-pythons-unittest-results-in-a-teardown-method#39606065
"""
import unittest


class MyTest(unittest.TestCase):
    def tearDown(self):
        if hasattr(self._outcome, 'errors'):
            # Python 3.4 - 3.10  (These two methods have no side effects)
            result = self.defaultTestResult()
            self._feedErrorsToResult(result, self._outcome.errors)
        else:
            # Python 3.11+
            result = self._outcome.result
        ok = all(test != self for test, text in result.errors + result.failures)

        # Demo output:  (print short info immediately - not important)
        if ok:
            print('\nOK: %s' % (self.id(),))
        for typ, errors in (('ERROR', result.errors), ('FAIL', result.failures)):
            for test, text in errors:
                if test is self:
                    # the full traceback is in the variable `text`
                    msg = [x for x in text.split('\n')[1:]
                           if not x.startswith(' ')][0]
                    print("\n\n%s: %s\n     %s" % (typ, self.id(), msg))
                    
    def list2reason(self, exc_list):
        if exc_list and exc_list[-1][0] is self:
            return exc_list[-1][1]

    # demo tests
    def test_success(self):
        self.assertEqual(1, 1)

    def test_fail(self):
        self.assertEqual(2, 1)

    def test_error(self):
        self.assertEqual(1 / 0, 1)

    @unittest.expectedFailure
    def test_expected_fail(self):
        self.assertEqual(2, 1)

    @unittest.expectedFailure
    def test_expected_error(self):
        self.assertEqual(1 / 0, 1)

    @unittest.expectedFailure
    def test_unexpected_success(self):
        self.assertEqual(1, 1)

You can see the comments that one branch is used by Python <= 3.10 and the other by Python >= 3.11.
The used branch works and the other is invalid. You probably evaluate it only in Python <= 3.10 but you should also try it in Python >= 3.11 to can verify the code.

I checked again, and the attribute "error" cannot be found occurs only when using pytest (7.4.4 is my pytest version, also checked for pytest 8.2), your code works with python - m unittest test.py . Any way to fix this for pytest?

It works also with pytest 7.4.4 or 8.2.2 (your versions) if Python is <= 3.10.x

The package "pytest " is so different from "unittest" that I don't have the energy to start reverse engineering to fix it for fun for Python >= 3.11.

Thanks! Work perfectly for me 😄
Python 3.11.9