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bpo-11105: reduce the recursion limit for tests (GH-26550) · python/cpython@e58d762

2 files changed

lines changed

Original file line numberDiff line numberDiff line change

@@ -1999,3 +1999,12 @@ def check_disallow_instantiation(testcase, tp, *args, **kwds):

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qualname = f"{name}"

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msg = f"cannot create '{re.escape(qualname)}' instances"

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testcase.assertRaisesRegex(TypeError, msg, tp, *args, **kwds)

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@contextlib.contextmanager

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def infinite_recursion(max_depth=75):

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original_depth = sys.getrecursionlimit()

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try:

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sys.setrecursionlimit(max_depth)

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yield

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finally:

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sys.setrecursionlimit(original_depth)

Original file line numberDiff line numberDiff line change

@@ -1102,15 +1102,17 @@ def test_recursion_direct(self):

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e = ast.UnaryOp(op=ast.Not(), lineno=0, col_offset=0)

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e.operand = e

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with self.assertRaises(RecursionError):

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compile(ast.Expression(e), "<test>", "eval")

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with support.infinite_recursion():

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compile(ast.Expression(e), "<test>", "eval")

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def test_recursion_indirect(self):

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e = ast.UnaryOp(op=ast.Not(), lineno=0, col_offset=0)

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f = ast.UnaryOp(op=ast.Not(), lineno=0, col_offset=0)

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e.operand = f

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f.operand = e

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with self.assertRaises(RecursionError):

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compile(ast.Expression(e), "<test>", "eval")

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with support.infinite_recursion():

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compile(ast.Expression(e), "<test>", "eval")

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class ASTValidatorTests(unittest.TestCase):