| 4710c53d |
1 | # Test various flavors of legal and illegal future statements\r |
| 2 | \r |
| 3 | import unittest\r |
| 4 | from test import test_support\r |
| 5 | import re\r |
| 6 | \r |
| 7 | rx = re.compile('\((\S+).py, line (\d+)')\r |
| 8 | \r |
| 9 | def get_error_location(msg):\r |
| 10 | mo = rx.search(str(msg))\r |
| 11 | return mo.group(1, 2)\r |
| 12 | \r |
| 13 | class FutureTest(unittest.TestCase):\r |
| 14 | \r |
| 15 | def test_future1(self):\r |
| 16 | test_support.unload('test_future1')\r |
| 17 | from test import test_future1\r |
| 18 | self.assertEqual(test_future1.result, 6)\r |
| 19 | \r |
| 20 | def test_future2(self):\r |
| 21 | test_support.unload('test_future2')\r |
| 22 | from test import test_future2\r |
| 23 | self.assertEqual(test_future2.result, 6)\r |
| 24 | \r |
| 25 | def test_future3(self):\r |
| 26 | test_support.unload('test_future3')\r |
| 27 | from test import test_future3\r |
| 28 | \r |
| 29 | def test_badfuture3(self):\r |
| 30 | try:\r |
| 31 | from test import badsyntax_future3\r |
| 32 | except SyntaxError, msg:\r |
| 33 | self.assertEqual(get_error_location(msg), ("badsyntax_future3", '3'))\r |
| 34 | else:\r |
| 35 | self.fail("expected exception didn't occur")\r |
| 36 | \r |
| 37 | def test_badfuture4(self):\r |
| 38 | try:\r |
| 39 | from test import badsyntax_future4\r |
| 40 | except SyntaxError, msg:\r |
| 41 | self.assertEqual(get_error_location(msg), ("badsyntax_future4", '3'))\r |
| 42 | else:\r |
| 43 | self.fail("expected exception didn't occur")\r |
| 44 | \r |
| 45 | def test_badfuture5(self):\r |
| 46 | try:\r |
| 47 | from test import badsyntax_future5\r |
| 48 | except SyntaxError, msg:\r |
| 49 | self.assertEqual(get_error_location(msg), ("badsyntax_future5", '4'))\r |
| 50 | else:\r |
| 51 | self.fail("expected exception didn't occur")\r |
| 52 | \r |
| 53 | def test_badfuture6(self):\r |
| 54 | try:\r |
| 55 | from test import badsyntax_future6\r |
| 56 | except SyntaxError, msg:\r |
| 57 | self.assertEqual(get_error_location(msg), ("badsyntax_future6", '3'))\r |
| 58 | else:\r |
| 59 | self.fail("expected exception didn't occur")\r |
| 60 | \r |
| 61 | def test_badfuture7(self):\r |
| 62 | try:\r |
| 63 | from test import badsyntax_future7\r |
| 64 | except SyntaxError, msg:\r |
| 65 | self.assertEqual(get_error_location(msg), ("badsyntax_future7", '3'))\r |
| 66 | else:\r |
| 67 | self.fail("expected exception didn't occur")\r |
| 68 | \r |
| 69 | def test_badfuture8(self):\r |
| 70 | try:\r |
| 71 | from test import badsyntax_future8\r |
| 72 | except SyntaxError, msg:\r |
| 73 | self.assertEqual(get_error_location(msg), ("badsyntax_future8", '3'))\r |
| 74 | else:\r |
| 75 | self.fail("expected exception didn't occur")\r |
| 76 | \r |
| 77 | def test_badfuture9(self):\r |
| 78 | try:\r |
| 79 | from test import badsyntax_future9\r |
| 80 | except SyntaxError, msg:\r |
| 81 | self.assertEqual(get_error_location(msg), ("badsyntax_future9", '3'))\r |
| 82 | else:\r |
| 83 | self.fail("expected exception didn't occur")\r |
| 84 | \r |
| 85 | def test_parserhack(self):\r |
| 86 | # test that the parser.c::future_hack function works as expected\r |
| 87 | # Note: although this test must pass, it's not testing the original\r |
| 88 | # bug as of 2.6 since the with statement is not optional and\r |
| 89 | # the parser hack disabled. If a new keyword is introduced in\r |
| 90 | # 2.6, change this to refer to the new future import.\r |
| 91 | try:\r |
| 92 | exec "from __future__ import print_function; print 0"\r |
| 93 | except SyntaxError:\r |
| 94 | pass\r |
| 95 | else:\r |
| 96 | self.fail("syntax error didn't occur")\r |
| 97 | \r |
| 98 | try:\r |
| 99 | exec "from __future__ import (print_function); print 0"\r |
| 100 | except SyntaxError:\r |
| 101 | pass\r |
| 102 | else:\r |
| 103 | self.fail("syntax error didn't occur")\r |
| 104 | \r |
| 105 | def test_multiple_features(self):\r |
| 106 | test_support.unload("test.test_future5")\r |
| 107 | from test import test_future5\r |
| 108 | \r |
| 109 | def test_unicode_literals_exec(self):\r |
| 110 | scope = {}\r |
| 111 | exec "from __future__ import unicode_literals; x = ''" in scope\r |
| 112 | self.assertIsInstance(scope["x"], unicode)\r |
| 113 | \r |
| 114 | \r |
| 115 | def test_main():\r |
| 116 | test_support.run_unittest(FutureTest)\r |
| 117 | \r |
| 118 | if __name__ == "__main__":\r |
| 119 | test_main()\r |
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