From 6baa242734b0afd019db2efa5d9728ab6f135c02 Mon Sep 17 00:00:00 2001 From: Nikita Sobolev Date: Mon, 26 Feb 2024 15:32:27 +0300 Subject: [PATCH] gh-115931: Fix `SyntaxWarning`s in `test_unparse` (GH-115935) (cherry picked from commit b7383b8b71d49c761480ae9a8b2111644310e61d) Co-authored-by: Nikita Sobolev --- Lib/test/test_unparse.py | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/Lib/test/test_unparse.py b/Lib/test/test_unparse.py index 77ce18cbf4cbfb..106704ba8c9c2d 100644 --- a/Lib/test/test_unparse.py +++ b/Lib/test/test_unparse.py @@ -650,9 +650,18 @@ def test_multiquote_joined_string(self): self.check_ast_roundtrip("""f'''""\"''\\'{""\"\\n\\"'''""\" '''\\n'''}''' """) def test_backslash_in_format_spec(self): - self.check_ast_roundtrip("""f"{x:\\ }" """) + import re + msg = re.escape("invalid escape sequence '\\ '") + with self.assertWarnsRegex(SyntaxWarning, msg): + self.check_ast_roundtrip("""f"{x:\\ }" """) + self.check_ast_roundtrip("""f"{x:\\n}" """) + self.check_ast_roundtrip("""f"{x:\\\\ }" """) - self.check_ast_roundtrip("""f"{x:\\\\\\ }" """) + + with self.assertWarnsRegex(SyntaxWarning, msg): + self.check_ast_roundtrip("""f"{x:\\\\\\ }" """) + self.check_ast_roundtrip("""f"{x:\\\\\\n}" """) + self.check_ast_roundtrip("""f"{x:\\\\\\\\ }" """) def test_quote_in_format_spec(self):