126 lines
4.0 KiB
Python
126 lines
4.0 KiB
Python
# Test various flavors of legal and illegal future statements
|
|
|
|
import unittest
|
|
from test import support
|
|
import re
|
|
|
|
rx = re.compile(r'\((\S+).py, line (\d+)')
|
|
|
|
def get_error_location(msg):
|
|
mo = rx.search(str(msg))
|
|
return mo.group(1, 2)
|
|
|
|
class FutureTest(unittest.TestCase):
|
|
|
|
def test_future1(self):
|
|
with support.CleanImport('future_test1'):
|
|
from test import future_test1
|
|
self.assertEqual(future_test1.result, 6)
|
|
|
|
def test_future2(self):
|
|
with support.CleanImport('future_test2'):
|
|
from test import future_test2
|
|
self.assertEqual(future_test2.result, 6)
|
|
|
|
def test_future3(self):
|
|
with support.CleanImport('test_future3'):
|
|
from test import test_future3
|
|
|
|
def test_badfuture3(self):
|
|
try:
|
|
from test import badsyntax_future3
|
|
except SyntaxError as msg:
|
|
self.assertEqual(get_error_location(msg), ("badsyntax_future3", '3'))
|
|
else:
|
|
self.fail("expected exception didn't occur")
|
|
|
|
def test_badfuture4(self):
|
|
try:
|
|
from test import badsyntax_future4
|
|
except SyntaxError as msg:
|
|
self.assertEqual(get_error_location(msg), ("badsyntax_future4", '3'))
|
|
else:
|
|
self.fail("expected exception didn't occur")
|
|
|
|
def test_badfuture5(self):
|
|
try:
|
|
from test import badsyntax_future5
|
|
except SyntaxError as msg:
|
|
self.assertEqual(get_error_location(msg), ("badsyntax_future5", '4'))
|
|
else:
|
|
self.fail("expected exception didn't occur")
|
|
|
|
def test_badfuture6(self):
|
|
try:
|
|
from test import badsyntax_future6
|
|
except SyntaxError as msg:
|
|
self.assertEqual(get_error_location(msg), ("badsyntax_future6", '3'))
|
|
else:
|
|
self.fail("expected exception didn't occur")
|
|
|
|
def test_badfuture7(self):
|
|
try:
|
|
from test import badsyntax_future7
|
|
except SyntaxError as msg:
|
|
self.assertEqual(get_error_location(msg), ("badsyntax_future7", '3'))
|
|
else:
|
|
self.fail("expected exception didn't occur")
|
|
|
|
def test_badfuture8(self):
|
|
try:
|
|
from test import badsyntax_future8
|
|
except SyntaxError as msg:
|
|
self.assertEqual(get_error_location(msg), ("badsyntax_future8", '3'))
|
|
else:
|
|
self.fail("expected exception didn't occur")
|
|
|
|
def test_badfuture9(self):
|
|
try:
|
|
from test import badsyntax_future9
|
|
except SyntaxError as msg:
|
|
self.assertEqual(get_error_location(msg), ("badsyntax_future9", '3'))
|
|
else:
|
|
self.fail("expected exception didn't occur")
|
|
|
|
def test_badfuture10(self):
|
|
try:
|
|
from test import badsyntax_future10
|
|
except SyntaxError as msg:
|
|
self.assertEqual(get_error_location(msg), ("badsyntax_future10", '3'))
|
|
else:
|
|
self.fail("expected exception didn't occur")
|
|
|
|
def test_parserhack(self):
|
|
# test that the parser.c::future_hack function works as expected
|
|
# Note: although this test must pass, it's not testing the original
|
|
# bug as of 2.6 since the with statement is not optional and
|
|
# the parser hack disabled. If a new keyword is introduced in
|
|
# 2.6, change this to refer to the new future import.
|
|
try:
|
|
exec("from __future__ import print_function; print 0")
|
|
except SyntaxError:
|
|
pass
|
|
else:
|
|
self.fail("syntax error didn't occur")
|
|
|
|
try:
|
|
exec("from __future__ import (print_function); print 0")
|
|
except SyntaxError:
|
|
pass
|
|
else:
|
|
self.fail("syntax error didn't occur")
|
|
|
|
def test_multiple_features(self):
|
|
with support.CleanImport("test.test_future5"):
|
|
from test import test_future5
|
|
|
|
def test_unicode_literals_exec(self):
|
|
scope = {}
|
|
exec("from __future__ import unicode_literals; x = ''", {}, scope)
|
|
self.assertIsInstance(scope["x"], str)
|
|
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|