50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
import re
|
|
import unittest
|
|
import warnings
|
|
|
|
from test import test_support
|
|
|
|
class SyntaxTestCase(unittest.TestCase):
|
|
|
|
def _check_error(self, code, errtext,
|
|
filename="<testcase>", mode="exec"):
|
|
"""Check that compiling code raises SyntaxError with errtext.
|
|
|
|
errtest is a regular expression that must be present in the
|
|
test of the exception raised.
|
|
"""
|
|
try:
|
|
compile(code, filename, mode)
|
|
except SyntaxError, err:
|
|
mo = re.search(errtext, str(err))
|
|
if mo is None:
|
|
self.fail("SyntaxError did not contain '%r'" % (errtext,))
|
|
else:
|
|
self.fail("compile() did not raise SyntaxError")
|
|
|
|
def test_assign_call(self):
|
|
self._check_error("f() = 1", "assign")
|
|
|
|
def test_assign_del(self):
|
|
self._check_error("del f()", "delete")
|
|
|
|
def test_global_err_then_warn(self):
|
|
# Bug tickler: The SyntaxError raised for one global statement
|
|
# shouldn't be clobbered by a SyntaxWarning issued for a later one.
|
|
source = re.sub('(?m)^ *:', '', """\
|
|
:def error(a):
|
|
: global a # SyntaxError
|
|
:def warning():
|
|
: b = 1
|
|
: global b # SyntaxWarning
|
|
:""")
|
|
warnings.filterwarnings(action='ignore', category=SyntaxWarning)
|
|
self._check_error(source, "global")
|
|
warnings.filters.pop(0)
|
|
|
|
def test_main():
|
|
test_support.run_unittest(SyntaxTestCase)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|