Method _assert_python

Lib/test/test_subprocess.py:359–365

(self, pre_args, **kwargs)

        self.assertEqual(p.stderr, None)

    def _assert_python(self, pre_args, **kwargs):
        # We include sys.exit() to prevent the test runner from hanging
        # whenever python is found.
        args = pre_args + ["import sys; sys.exit(47)"]
        p = subprocess.Popen(args, **kwargs)
        p.wait()
        self.assertEqual(47, p.returncode)

    def test_executable(self):
        # Check that the executable argument works.