Method test_dialect_apply

Lib/test/test_csv.py:648–676

(self)

            self.assertEqual(fileobj.read(), expected)

    def test_dialect_apply(self):
        class testA(csv.excel):
            delimiter = "\t"
        class testB(csv.excel):
            delimiter = ":"
        class testC(csv.excel):
            delimiter = "|"
        class testUni(csv.excel):
            delimiter = "\u039B"

        class unspecified():
            # A class to pass as dialect but with no dialect attributes.
            pass

        csv.register_dialect('testC', testC)
        try:
            self.compare_dialect_123("1,2,3\r\n")
            self.compare_dialect_123("1,2,3\r\n", dialect=None)
            self.compare_dialect_123("1,2,3\r\n", dialect=unspecified)
            self.compare_dialect_123("1\t2\t3\r\n", testA)
            self.compare_dialect_123("1:2:3\r\n", dialect=testB())
            self.compare_dialect_123("1|2|3\r\n", dialect='testC')
            self.compare_dialect_123("1;2;3\r\n", dialect=testA,
                                     delimiter=';')
            self.compare_dialect_123("1\u039B2\u039B3\r\n",
                                     dialect=testUni)

        finally:
            csv.unregister_dialect('testC')

    def test_copy(self):
        for name in csv.list_dialects():