test_csv.py 文件源码

def test_char_write(self):
        import array, string
        a = array.array('u', string.ascii_letters)

        with TemporaryFile("w+", newline='') as fileobj:
            writer = csv.writer(fileobj, dialect="excel")
            writer.writerow(a)
            expected = ",".join(a)+"\r\n"
            fileobj.seek(0)
            self.assertEqual(fileobj.read(), expected)