diff options
-rw-r--r-- | Lib/test/test_string/test_templatelib.py | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Lib/test/test_string/test_templatelib.py b/Lib/test/test_string/test_templatelib.py index 5221ca673b2..5b9490c2be6 100644 --- a/Lib/test/test_string/test_templatelib.py +++ b/Lib/test/test_string/test_templatelib.py @@ -1,5 +1,6 @@ import pickle import unittest +from collections.abc import Iterator, Iterable from string.templatelib import Template, Interpolation from test.test_string._support import TStringBaseCase, fstring @@ -125,5 +126,28 @@ world""" self.assertEqual(unpickled.format_spec, interpolation.format_spec) +class TemplateIterTests(unittest.TestCase): + def test_abc(self): + self.assertIsInstance(iter(t''), Iterable) + self.assertIsInstance(iter(t''), Iterator) + + def test_final(self): + TemplateIter = type(iter(t'')) + with self.assertRaisesRegex(TypeError, 'is not an acceptable base type'): + class Sub(TemplateIter): ... + + def test_iter(self): + x = 1 + res = list(iter(t'abc {x} yz')) + + self.assertEqual(res[0], 'abc ') + self.assertIsInstance(res[1], Interpolation) + self.assertEqual(res[1].value, 1) + self.assertEqual(res[1].expression, 'x') + self.assertEqual(res[1].conversion, None) + self.assertEqual(res[1].format_spec, '') + self.assertEqual(res[2], ' yz') + + if __name__ == '__main__': unittest.main() |