How to use the mrjob.inline.InlineMRJobRunner function in mrjob

def test_no_script_and_no_steps(self):
        runner = InlineMRJobRunner()

        self.assertEqual(runner._script_path, None)
        self.assertEqual(runner._steps, [])

        self.assertRaises(ValueError, runner.run)

        self.assertFalse(self.log.warning.called)

def test_empty(self):
        runner = InlineMRJobRunner(conf_paths=[])
        match = _JOB_KEY_RE.match(runner.get_job_key())

        self.assertEqual(match.group(1), 'no_script')
        self.assertEqual(match.group(2), getpass.getuser())

def _test_cleanup_after_with_statement(self, mode, should_exist):
        local_tmp_dir = None

        with InlineMRJobRunner(cleanup=mode, conf_paths=[]) as runner:
            local_tmp_dir = runner._get_local_tmp_dir()
            self.assertTrue(os.path.exists(local_tmp_dir))

        # leaving the with: block activates cleanup
        self.assertEqual(os.path.exists(local_tmp_dir), should_exist)

def test_extra_kwargs_in_mrjob_conf_okay(self):
        runner = InlineMRJobRunner(conf_paths=[self.path])
        self.assertEqual(runner._opts['setup'], ['echo foo'])
        self.assertNotIn('qux', runner._opts)

def test_option_debug_printout(self):
        log = self.start(patch('mrjob.runner.log'))

        InlineMRJobRunner(owner='dave')

        debug = ''.join(a[0] + '\n' for a, kw in log.debug.call_args_list)

        self.assertIn("'owner'", debug)
        self.assertIn("'dave'", debug)

def test_missing_dir(self):
        archive_path = os.path.join(self.tmp_dir, 'archive')

        runner = InlineMRJobRunner()

        self.assertRaises(OSError, runner._dir_archive_path, archive_path)

def test_nonexistent_dir(self):
        runner = InlineMRJobRunner()

        nonexistent_dir = os.path.join(self.tmp_dir, 'nonexistent')

        self.assertRaises(
            OSError, runner._create_dir_archive, nonexistent_dir)

def test_auto_owner(self):
        os.environ['USER'] = 'mcp'
        runner = InlineMRJobRunner(conf_paths=[])
        match = _JOB_KEY_RE.match(runner.get_job_key())

        self.assertEqual(match.group(1), 'no_script')
        self.assertEqual(match.group(2), 'mcp')

def test_uri(self):
        # we don't check whether URIs exist or are directories
        runner = InlineMRJobRunner()
        archive_path = runner._dir_archive_path('s3://bucket/stuff')

        self.assertEqual(os.path.basename(archive_path), 'stuff.tar.gz')