From e58d762c1fb4ad5e021d016c80c2bc4513632d2f Mon Sep 17 00:00:00 2001 From: Batuhan Taskaya Date: Tue, 8 Jun 2021 19:55:10 +0300 Subject: bpo-11105: reduce the recursion limit for tests (GH-26550) --- Lib/test/support/__init__.py | 9 +++++++++ Lib/test/test_ast.py | 6 ++++-- 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py index 34a9459..d17331e 100644 --- a/Lib/test/support/__init__.py +++ b/Lib/test/support/__init__.py @@ -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) diff --git a/Lib/test/test_ast.py b/Lib/test/test_ast.py index 6a6f06c..5f1ee75 100644 --- a/Lib/test/test_ast.py +++ b/Lib/test/test_ast.py @@ -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), "", "eval") + with support.infinite_recursion(): + compile(ast.Expression(e), "", "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), "", "eval") + with support.infinite_recursion(): + compile(ast.Expression(e), "", "eval") class ASTValidatorTests(unittest.TestCase): -- cgit v0.12