Method test_conversion_specifiers

Lib/test/test_string/test_string.py:82–92

(self)

            fmt.format('foo{}{1}', 'bar', 6)

    def test_conversion_specifiers(self):
        fmt = string.Formatter()
        self.assertEqual(fmt.format("-{arg!r}-", arg='test'), "-'test'-")
        self.assertEqual(fmt.format("{0!s}", 'test'), 'test')
        self.assertRaises(ValueError, fmt.format, "{0!h}", 'test')
        # issue13579
        self.assertEqual(fmt.format("{0!a}", 42), '42')
        self.assertEqual(fmt.format("{0!a}",  string.ascii_letters),
            "'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'")
        self.assertEqual(fmt.format("{0!a}",  chr(255)), "'\\xff'")
        self.assertEqual(fmt.format("{0!a}",  chr(256)), "'\\u0100'")

    def test_name_lookup(self):
        fmt = string.Formatter()