Method check_input

Lib/test/test_cmd_line.py:462–472

(self, code, expected)

            self.assertIn(escaped, data)

    def check_input(self, code, expected):
        with tempfile.NamedTemporaryFile("wb+") as stdin:
            sep = os.linesep.encode('ASCII')
            stdin.write(sep.join((b'abc', b'def')))
            stdin.flush()
            stdin.seek(0)
            with subprocess.Popen(
                (sys.executable, "-c", code),
                stdin=stdin, stdout=subprocess.PIPE) as proc:
                stdout, stderr = proc.communicate()
        self.assertEqual(stdout.rstrip(), expected)

    def test_stdin_readline(self):
        # Issue #11272: check that sys.stdin.readline() replaces '\r\n' by '\n'