diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/brain/test_builtin.py | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/tests/brain/test_builtin.py b/tests/brain/test_builtin.py index d14c72f8..a1439b06 100644 --- a/tests/brain/test_builtin.py +++ b/tests/brain/test_builtin.py @@ -9,7 +9,7 @@ import unittest import pytest from astroid import nodes, objects, util -from astroid.builder import _extract_single_node +from astroid.builder import _extract_single_node, extract_node class BuiltinsTest(unittest.TestCase): @@ -127,3 +127,22 @@ class TestStringNodes: inferred = next(node.infer()) assert isinstance(inferred, nodes.Const) assert inferred.value == "My name is Daniel, I'm 12.00" + + def test_string_format_in_dataclass_pylint8109(self) -> None: + """https://github.com/PyCQA/pylint/issues/8109""" + function_def = extract_node( + """ +from dataclasses import dataclass + +@dataclass +class Number: + amount: int | float + round: int = 2 + + def __str__(self): #@ + number_format = "{:,.%sf}" % self.round + return number_format.format(self.amount).rstrip("0").rstrip(".") +""" + ) + inferit = function_def.infer_call_result(function_def, context=None) + assert [a.name for a in inferit] == [util.Uninferable] |