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bpo-11105: reduce the recursion limit for tests (GH-26550)

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Batuhan Taskaya 2021-06-08 19:55:10 +03:00 • committed by GitHub
parent 257e400a19
commit e58d762c1f
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2 changed files with 13 additions and 2 deletions
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9
Lib/test/support/__init__.py
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@ -1999,3 +1999,12 @@ def check_disallow_instantiation(testcase, tp, *args, **kwds):
qualname = f"{name}"
msg = f"cannot create '{re.escape(qualname)}' instances"
testcase.assertRaisesRegex(TypeError, msg, tp, *args, **kwds)
@contextlib.contextmanager
def infinite_recursion(max_depth=75):
original_depth = sys.getrecursionlimit()
try:
sys.setrecursionlimit(max_depth)
yield
finally:
sys.setrecursionlimit(original_depth)

6
Lib/test/test_ast.py
View file

@ -1102,7 +1102,8 @@ Module(
e = ast.UnaryOp(op=ast.Not(), lineno=0, col_offset=0)
e.operand = e
with self.assertRaises(RecursionError):
compile(ast.Expression(e), "<test>", "eval")
with support.infinite_recursion():
compile(ast.Expression(e), "<test>", "eval")
def test_recursion_indirect(self):
e = ast.UnaryOp(op=ast.Not(), lineno=0, col_offset=0)
@ -1110,7 +1111,8 @@ Module(
e.operand = f
f.operand = e
with self.assertRaises(RecursionError):
compile(ast.Expression(e), "<test>", "eval")
with support.infinite_recursion():
compile(ast.Expression(e), "<test>", "eval")
class ASTValidatorTests(unittest.TestCase):