mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-10 00:43:41 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 18

bpo-35798: Add test.support.check_syntax_warning(). (#11895)

Browse source 
It checks that a SyntaxWarning is raised when compile specified
statement, that it is raised only once, that it is converted to
a SyntaxError when raised as exception, and that both warning and
exception objects have corresponding attributes.
This commit is contained in:
Serhiy Storchaka 2019-02-19 08:30:15 +02:00 • committed by GitHub
parent ee0f927bd8
commit e7a4bb554e
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 62 additions and 55 deletions
Download patch file Download diff file Expand all files Collapse all files

34
Lib/test/test_string_literals.py
View file

@ -63,6 +63,8 @@ def byte(i):
class TestLiterals(unittest.TestCase):
from test.support import check_syntax_warning
def setUp(self):
self.save_path = sys.path[:]
self.tmpdir = tempfile.mkdtemp()
@ -112,21 +114,7 @@ class TestLiterals(unittest.TestCase):
with self.assertWarns(SyntaxWarning):
self.assertEqual(eval(r"'\%c'" % b), '\\' + chr(b))
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter('always', category=SyntaxWarning)
eval("'''\n\\z'''")
self.assertEqual(len(w), 1)
self.assertEqual(w[0].filename, '<string>')
self.assertEqual(w[0].lineno, 1)
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter('error', category=SyntaxWarning)
with self.assertRaises(SyntaxError) as cm:
eval("'''\n\\z'''")
exc = cm.exception
self.assertEqual(w, [])
self.assertEqual(exc.filename, '<string>')
self.assertEqual(exc.lineno, 1)
self.check_syntax_warning("'''\n\\z'''")
def test_eval_str_raw(self):
self.assertEqual(eval(""" r'x' """), 'x')
@ -161,21 +149,7 @@ class TestLiterals(unittest.TestCase):
with self.assertWarns(SyntaxWarning):
self.assertEqual(eval(r"b'\%c'" % b), b'\\' + bytes([b]))
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter('always', category=SyntaxWarning)
eval("b'''\n\\z'''")
self.assertEqual(len(w), 1)
self.assertEqual(w[0].filename, '<string>')
self.assertEqual(w[0].lineno, 1)
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter('error', category=SyntaxWarning)
with self.assertRaises(SyntaxError) as cm:
eval("b'''\n\\z'''")
exc = cm.exception
self.assertEqual(w, [])
self.assertEqual(exc.filename, '<string>')
self.assertEqual(exc.lineno, 1)
self.check_syntax_warning("b'''\n\\z'''")
def test_eval_bytes_raw(self):
self.assertEqual(eval(""" br'x' """), b'x')