How to use test_xmlrunner_output_file method in unittest-xml-reporting

Best Python code snippet using unittest-xml-reporting_python

testsuite.py

Source:testsuite.py

...836    @mock.patch('sys.argv', ['xmlrunner', '--output-file', 'test.xml'])837    @mock.patch('xmlrunner.runner.open')838    @mock.patch('xmlrunner.runner.XMLTestRunner')839    @mock.patch('sys.exit')840    def test_xmlrunner_output_file(self, exiter, testrunner, opener):841        xmlrunner.runner.XMLTestProgram()842        opener.assert_called_once_with('test.xml', 'wb')843        open_file = opener()844        open_file.close.assert_called_with()845        kwargs = dict(846            buffer=mock.ANY,847            failfast=mock.ANY,848            verbosity=mock.ANY,849            warnings=mock.ANY,850            output=open_file,851        )852        if sys.version_info[:2] > (3, 4):853            kwargs.update(tb_locals=mock.ANY)854        testrunner.assert_called_once_with(**kwargs)...

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