test_cmdline.py 文件源码

def test_outputs_tab(self):
        sample = StringIO()
        writer = csv.writer(sample, dialect=csv.excel_tab)
        writer.writerows(self.output_data)
        sample.seek(0)
        self.of.tab(self.output_data)
        self.outfile.seek(0)
        self.assertEqual(self.outfile.read(), sample.read())