diff options
Diffstat (limited to 'Lib/test/test_string.py')
| -rw-r--r-- | Lib/test/test_string.py | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Lib/test/test_string.py b/Lib/test/test_string.py index c2bdfdb..30fe42a 100644 --- a/Lib/test/test_string.py +++ b/Lib/test/test_string.py @@ -31,6 +31,37 @@ class ModuleTest(unittest.TestCase): self.assertEqual(fmt.format("foo"), "foo") self.assertEqual(fmt.format("foo{0}", "bar"), "foobar") self.assertEqual(fmt.format("foo{1}{0}-{1}", "bar", 6), "foo6bar-6") + self.assertRaises(TypeError, fmt.format) + self.assertRaises(TypeError, string.Formatter.format) + + def test_format_keyword_arguments(self): + fmt = string.Formatter() + self.assertEqual(fmt.format("-{arg}-", arg='test'), '-test-') + self.assertRaises(KeyError, fmt.format, "-{arg}-") + self.assertEqual(fmt.format("-{self}-", self='test'), '-test-') + self.assertRaises(KeyError, fmt.format, "-{self}-") + self.assertEqual(fmt.format("-{format_string}-", format_string='test'), + '-test-') + self.assertRaises(KeyError, fmt.format, "-{format_string}-") + self.assertEqual(fmt.format(arg='test', format_string="-{arg}-"), + '-test-') + + def test_auto_numbering(self): + fmt = string.Formatter() + self.assertEqual(fmt.format('foo{}{}', 'bar', 6), + 'foo{}{}'.format('bar', 6)) + self.assertEqual(fmt.format('foo{1}{num}{1}', None, 'bar', num=6), + 'foo{1}{num}{1}'.format(None, 'bar', num=6)) + self.assertEqual(fmt.format('{:^{}}', 'bar', 6), + '{:^{}}'.format('bar', 6)) + self.assertEqual(fmt.format('{:^{pad}}{}', 'foo', 'bar', pad=6), + '{:^{pad}}{}'.format('foo', 'bar', pad=6)) + + with self.assertRaises(ValueError): + fmt.format('foo{1}{}', 'bar', 6) + + with self.assertRaises(ValueError): + fmt.format('foo{}{1}', 'bar', 6) def test_conversion_specifiers(self): fmt = string.Formatter() |