1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
"""test script for a few new invalid token catches"""
import sys
from test import support
from test.support import os_helper
from test.support import script_helper
import unittest
if sys.implementation.name == 'pypy':
eof_msg = "unexpected end of file (EOF)"
else:
eof_msg = "unexpected EOF"
class EOFTestCase(unittest.TestCase):
def test_EOF_single_quote(self):
expect = "unterminated string literal (detected at line 1) (<string>, line 1)"
for quote in ("'", "\""):
try:
eval(f"""{quote}this is a test\
""")
except SyntaxError as msg:
self.assertEqual(str(msg), expect)
self.assertEqual(msg.offset, 1)
else:
raise support.TestFailed
def test_EOFS(self):
expect = ("unterminated triple-quoted string literal (detected at line 1) (<string>, line 1)")
try:
eval("""'''this is a test""")
except SyntaxError as msg:
self.assertEqual(str(msg), expect)
self.assertEqual(msg.offset, 1)
else:
raise support.TestFailed
def test_EOFS_with_file(self):
expect = ("(<string>, line 1)")
with os_helper.temp_dir() as temp_dir:
file_name = script_helper.make_script(temp_dir, 'foo', """'''this is \na \ntest""")
rc, out, err = script_helper.assert_python_failure(file_name)
self.assertIn(b'unterminated triple-quoted string literal (detected at line 3)', err)
def test_eof_with_line_continuation(self):
if sys.implementation.name == 'pypy':
expect = f"{eof_msg} in multi-line statement (<string>, line 1)"
else:
expect = f"{eof_msg} while parsing (<string>, line 1)"
try:
compile('"\\xhh" \\', '<string>', 'exec', dont_inherit=True)
except SyntaxError as msg:
self.assertEqual(str(msg), expect)
else:
raise support.TestFailed
def test_line_continuation_EOF(self):
"""A continuation at the end of input must be an error; bpo2180."""
if sys.implementation.name == 'pypy':
expect = f"{eof_msg} in multi-line statement (<string>, line 1)"
else:
expect = f"{eof_msg} while parsing (<string>, line 1)"
with self.assertRaises(SyntaxError) as excinfo:
exec('x = 5\\')
self.assertEqual(str(excinfo.exception), expect)
with self.assertRaises(SyntaxError) as excinfo:
exec('\\')
self.assertEqual(str(excinfo.exception), expect)
@unittest.skipIf(not sys.executable, "sys.executable required")
def test_line_continuation_EOF_from_file_bpo2180(self):
"""Ensure tok_nextc() does not add too many ending newlines."""
if sys.implementation.name == 'pypy':
expect = f'{eof_msg} in multi-line statement'.encode()
else:
expect = f'{eof_msg} while parsing'.encode()
with os_helper.temp_dir() as temp_dir:
file_name = script_helper.make_script(temp_dir, 'foo', '\\')
rc, out, err = script_helper.assert_python_failure(file_name)
self.assertIn(expect, err)
self.assertIn(b'line 1', err)
self.assertIn(b'\\', err)
file_name = script_helper.make_script(temp_dir, 'foo', 'y = 6\\')
rc, out, err = script_helper.assert_python_failure(file_name)
self.assertIn(expect, err)
self.assertIn(b'line 1', err)
self.assertIn(b'y = 6\\', err)
if __name__ == "__main__":
unittest.main()
|
