From bd6f0d3eadfe5623657db6aeb69b94d21f86f4a0 Mon Sep 17 00:00:00 2001 From: Batuhan Taskaya Date: Tue, 8 Jun 2021 20:39:30 +0300 Subject: [3.10] bpo-11105: reduce the recursion limit for tests. (GH-26607) (cherry picked from commit e58d762c1fb4ad5e021d016c80c2bc4513632d2f) Co-authored-by: Batuhan Taskaya --- Lib/test/support/__init__.py | 10 ++++++++++ Lib/test/test_ast.py | 6 ++++-- 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py index 80f3a04..b9040a9 100644 --- a/Lib/test/support/__init__.py +++ b/Lib/test/support/__init__.py @@ -1982,3 +1982,13 @@ def skip_if_broken_multiprocessing_synchronize(): synchronize.Lock(ctx=None) except OSError as exc: raise unittest.SkipTest(f"broken multiprocessing SemLock: {exc!r}") + + +@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 e08a965..a44f8f5 100644 --- a/Lib/test/test_ast.py +++ b/Lib/test/test_ast.py @@ -1101,7 +1101,8 @@ 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) @@ -1109,7 +1110,8 @@ 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