mirror of
https://github.com/python/cpython.git
synced 2025-07-23 19:25:40 +00:00
75 lines
3 KiB
Python
75 lines
3 KiB
Python
"""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
|
|
|
|
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):
|
|
expect = "unexpected EOF 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."""
|
|
expect = 'unexpected EOF 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."""
|
|
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(b'unexpected EOF while parsing', 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(b'unexpected EOF while parsing', err)
|
|
self.assertIn(b'line 1', err)
|
|
self.assertIn(b'y = 6\\', err)
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|