test_csv.py 文件源码

def test_quoting(self):
        class mydialect(csv.Dialect):
            delimiter = ";"
            escapechar = '\\'
            doublequote = False
            skipinitialspace = True
            lineterminator = '\r\n'
            quoting = csv.QUOTE_NONE
        d = mydialect()
        self.assertEqual(d.quoting, csv.QUOTE_NONE)

        mydialect.quoting = None
        self.assertRaises(csv.Error, mydialect)

        mydialect.doublequote = True
        mydialect.quoting = csv.QUOTE_ALL
        mydialect.quotechar = '"'
        d = mydialect()
        self.assertEqual(d.quoting, csv.QUOTE_ALL)
        self.assertEqual(d.quotechar, '"')
        self.assertTrue(d.doublequote)

        mydialect.quotechar = "''"
        with self.assertRaises(csv.Error) as cm:
            mydialect()
        self.assertEqual(str(cm.exception),
                         '"quotechar" must be a 1-character string')

        mydialect.quotechar = 4
        with self.assertRaises(csv.Error) as cm:
            mydialect()
        self.assertEqual(str(cm.exception),
                         '"quotechar" must be string, not int')