diff options
Diffstat (limited to 'Lib/test/test_re.py')
| -rw-r--r-- | Lib/test/test_re.py | 69 |
1 files changed, 34 insertions, 35 deletions
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py index 7a741416b4..24a0604948 100644 --- a/Lib/test/test_re.py +++ b/Lib/test/test_re.py @@ -124,7 +124,7 @@ class ReTests(unittest.TestCase): (chr(9)+chr(10)+chr(11)+chr(13)+chr(12)+chr(7)+chr(8))) for c in 'cdehijklmopqsuwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ': with self.subTest(c): - with self.assertWarns(DeprecationWarning): + with self.assertRaises(re.error): self.assertEqual(re.sub('a', '\\' + c, 'a'), '\\' + c) self.assertEqual(re.sub('^\s*', 'X', 'test'), 'Xtest') @@ -414,19 +414,33 @@ class ReTests(unittest.TestCase): self.assertEqual(pat.match('bc').groups(), ('b', None, 'b', 'c')) self.assertEqual(pat.match('bc').groups(""), ('b', "", 'b', 'c')) - # A single group - m = re.match('(a)', 'a') - self.assertEqual(m.group(0), 'a') - self.assertEqual(m.group(0), 'a') - self.assertEqual(m.group(1), 'a') - self.assertEqual(m.group(1, 1), ('a', 'a')) - pat = re.compile('(?:(?P<a1>a)|(?P<b2>b))(?P<c3>c)?') self.assertEqual(pat.match('a').group(1, 2, 3), ('a', None, None)) self.assertEqual(pat.match('b').group('a1', 'b2', 'c3'), (None, 'b', None)) self.assertEqual(pat.match('ac').group(1, 'b2', 3), ('a', None, 'c')) + def test_group(self): + class Index: + def __init__(self, value): + self.value = value + def __index__(self): + return self.value + # A single group + m = re.match('(a)(b)', 'ab') + self.assertEqual(m.group(), 'ab') + self.assertEqual(m.group(0), 'ab') + self.assertEqual(m.group(1), 'a') + self.assertEqual(m.group(Index(1)), 'a') + self.assertRaises(IndexError, m.group, -1) + self.assertRaises(IndexError, m.group, 3) + self.assertRaises(IndexError, m.group, 1<<1000) + self.assertRaises(IndexError, m.group, Index(1<<1000)) + self.assertRaises(IndexError, m.group, 'x') + # Multiple groups + self.assertEqual(m.group(2, 1), ('b', 'a')) + self.assertEqual(m.group(Index(2), Index(1)), ('b', 'a')) + def test_re_fullmatch(self): # Issue 16203: Proposal: add re.fullmatch() method. self.assertEqual(re.fullmatch(r"a", "a").span(), (0, 1)) @@ -633,14 +647,10 @@ class ReTests(unittest.TestCase): re.purge() # for warnings for c in 'ceghijklmopqyzCEFGHIJKLMNOPQRTVXY': with self.subTest(c): - with self.assertWarns(DeprecationWarning): - self.assertEqual(re.fullmatch('\\%c' % c, c).group(), c) - self.assertIsNone(re.match('\\%c' % c, 'a')) + self.assertRaises(re.error, re.compile, '\\%c' % c) for c in 'ceghijklmopqyzABCEFGHIJKLMNOPQRTVXYZ': with self.subTest(c): - with self.assertWarns(DeprecationWarning): - self.assertEqual(re.fullmatch('[\\%c]' % c, c).group(), c) - self.assertIsNone(re.match('[\\%c]' % c, 'a')) + self.assertRaises(re.error, re.compile, '[\\%c]' % c) def test_string_boundaries(self): # See http://bugs.python.org/issue10713 @@ -993,10 +1003,8 @@ class ReTests(unittest.TestCase): self.assertTrue(re.match((r"\x%02x" % i).encode(), bytes([i]))) self.assertTrue(re.match((r"\x%02x0" % i).encode(), bytes([i])+b"0")) self.assertTrue(re.match((r"\x%02xz" % i).encode(), bytes([i])+b"z")) - with self.assertWarns(DeprecationWarning): - self.assertTrue(re.match(br"\u1234", b'u1234')) - with self.assertWarns(DeprecationWarning): - self.assertTrue(re.match(br"\U00012345", b'U00012345')) + self.assertRaises(re.error, re.compile, br"\u1234") + self.assertRaises(re.error, re.compile, br"\U00012345") self.assertTrue(re.match(br"\0", b"\000")) self.assertTrue(re.match(br"\08", b"\0008")) self.assertTrue(re.match(br"\01", b"\001")) @@ -1018,10 +1026,8 @@ class ReTests(unittest.TestCase): self.assertTrue(re.match((r"[\x%02x]" % i).encode(), bytes([i]))) self.assertTrue(re.match((r"[\x%02x0]" % i).encode(), bytes([i]))) self.assertTrue(re.match((r"[\x%02xz]" % i).encode(), bytes([i]))) - with self.assertWarns(DeprecationWarning): - self.assertTrue(re.match(br"[\u1234]", b'u')) - with self.assertWarns(DeprecationWarning): - self.assertTrue(re.match(br"[\U00012345]", b'U')) + self.assertRaises(re.error, re.compile, br"[\u1234]") + self.assertRaises(re.error, re.compile, br"[\U00012345]") self.checkPatternError(br"[\567]", r'octal escape value \567 outside of ' r'range 0-0o377', 1) @@ -1363,12 +1369,12 @@ class ReTests(unittest.TestCase): if bletter: self.assertIsNone(pat.match(bletter)) # Incompatibilities - self.assertWarns(DeprecationWarning, re.compile, '', re.LOCALE) - self.assertWarns(DeprecationWarning, re.compile, '(?L)') - self.assertWarns(DeprecationWarning, re.compile, b'', re.LOCALE | re.ASCII) - self.assertWarns(DeprecationWarning, re.compile, b'(?L)', re.ASCII) - self.assertWarns(DeprecationWarning, re.compile, b'(?a)', re.LOCALE) - self.assertWarns(DeprecationWarning, re.compile, b'(?aL)') + self.assertRaises(ValueError, re.compile, '', re.LOCALE) + self.assertRaises(ValueError, re.compile, '(?L)') + self.assertRaises(ValueError, re.compile, b'', re.LOCALE | re.ASCII) + self.assertRaises(ValueError, re.compile, b'(?L)', re.ASCII) + self.assertRaises(ValueError, re.compile, b'(?a)', re.LOCALE) + self.assertRaises(ValueError, re.compile, b'(?aL)') def test_bug_6509(self): # Replacement strings of both types must parse properly. @@ -1419,13 +1425,6 @@ class ReTests(unittest.TestCase): # Test behaviour when not given a string or pattern as parameter self.assertRaises(TypeError, re.compile, 0) - def test_bug_13899(self): - # Issue #13899: re pattern r"[\A]" should work like "A" but matches - # nothing. Ditto B and Z. - with self.assertWarns(DeprecationWarning): - self.assertEqual(re.findall(r'[\A\B\b\C\Z]', 'AB\bCZ'), - ['A', 'B', '\b', 'C', 'Z']) - @bigmemtest(size=_2G, memuse=1) def test_large_search(self, size): # Issue #10182: indices were 32-bit-truncated. |