| """test script for a few new invalid token catches""" |
| |
| import sys |
| from test import support |
| from test.support import script_helper |
| import unittest |
| |
| class EOFTestCase(unittest.TestCase): |
| def test_EOFC(self): |
| expect = "EOL while scanning string literal (<string>, line 1)" |
| try: |
| eval("""'this is a test\ |
| """) |
| except SyntaxError as msg: |
| self.assertEqual(str(msg), expect) |
| else: |
| raise support.TestFailed |
| |
| def test_EOFS(self): |
| expect = ("EOF while scanning triple-quoted string literal " |
| "(<string>, line 1)") |
| try: |
| eval("""'''this is a test""") |
| except SyntaxError as msg: |
| self.assertEqual(str(msg), expect) |
| else: |
| raise support.TestFailed |
| |
| def test_line_continuation_EOF(self): |
| """A contination 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 support.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) |
| |
| 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) |
| |
| if __name__ == "__main__": |
| unittest.main() |