Method test_worker_output_on_failure

Lib/test/test_regrtest.py:2299–2331

(self)

    @unittest.skipIf(support.is_android,
                     'raising SIGSEGV on Android is unreliable')
    def test_worker_output_on_failure(self):
        # Skip test if faulthandler is missing
        import_helper.import_module('faulthandler')

        code = textwrap.dedent(r"""
            import faulthandler
            import unittest
            from test import support

            class CrashTests(unittest.TestCase):
                def test_crash(self):
                    print("just before crash!", flush=True)

                    with support.SuppressCrashReport():
                        faulthandler._sigsegv(True)
        """)
        testname = self.create_test(code=code)

        # Sanitizers must not handle SIGSEGV (ex: for test_enable_fd())
        env = dict(os.environ)
        option = 'handle_segv=0'
        support.set_sanitizer_env_var(env, option)

        output = self.run_tests("-j1", testname,
                                exitcode=EXITCODE_BAD_TEST,
                                env=env)
        self.check_executed_tests(output, testname,
                                  failed=[testname],
                                  stats=0, parallel=True)
        if not support.MS_WINDOWS:
            exitcode = -int(signal.SIGSEGV)
            self.assertIn(f"Exit code {exitcode} (SIGSEGV)", output)
        self.check_line(output, "just before crash!", full=True, regex=False)

    def test_verbose3(self):
        code = textwrap.dedent(r"""