111 lines
3.5 KiB
Python
111 lines
3.5 KiB
Python
# Test various flavors of legal and illegal future statements
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import unittest
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from test import test_support
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import re
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rx = re.compile('\((\S+).py, line (\d+)')
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def get_error_location(msg):
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mo = rx.search(str(msg))
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return mo.group(1, 2)
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class FutureTest(unittest.TestCase):
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def test_future1(self):
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test_support.unload('test_future1')
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from test import test_future1
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self.assertEqual(test_future1.result, 6)
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def test_future2(self):
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test_support.unload('test_future2')
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from test import test_future2
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self.assertEqual(test_future2.result, 6)
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def test_future3(self):
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test_support.unload('test_future3')
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from test import test_future3
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def test_badfuture3(self):
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try:
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from test import badsyntax_future3
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except SyntaxError, msg:
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self.assertEqual(get_error_location(msg), ("badsyntax_future3", '3'))
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else:
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self.fail("expected exception didn't occur")
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def test_badfuture4(self):
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try:
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from test import badsyntax_future4
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except SyntaxError, msg:
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self.assertEqual(get_error_location(msg), ("badsyntax_future4", '3'))
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else:
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self.fail("expected exception didn't occur")
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def test_badfuture5(self):
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try:
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from test import badsyntax_future5
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except SyntaxError, msg:
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self.assertEqual(get_error_location(msg), ("badsyntax_future5", '4'))
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else:
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self.fail("expected exception didn't occur")
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def test_badfuture6(self):
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try:
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from test import badsyntax_future6
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except SyntaxError, msg:
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self.assertEqual(get_error_location(msg), ("badsyntax_future6", '3'))
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else:
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self.fail("expected exception didn't occur")
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def test_badfuture7(self):
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try:
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from test import badsyntax_future7
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except SyntaxError, msg:
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self.assertEqual(get_error_location(msg), ("badsyntax_future7", '3'))
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else:
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self.fail("expected exception didn't occur")
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def test_badfuture8(self):
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try:
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from test import badsyntax_future8
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except SyntaxError, msg:
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self.assertEqual(get_error_location(msg), ("badsyntax_future8", '3'))
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else:
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self.fail("expected exception didn't occur")
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def test_badfuture9(self):
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try:
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from test import badsyntax_future9
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except SyntaxError, msg:
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self.assertEqual(get_error_location(msg), ("badsyntax_future9", '3'))
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else:
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self.fail("expected exception didn't occur")
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def test_parserhack(self):
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# test that the parser.c::future_hack function works as expected
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# Note: although this test must pass, it's not testing the original
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# bug as of 2.6 since the with statement is not optional and
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# the parser hack disabled. If a new keyword is introduced in
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# 2.6, change this to refer to the new future import.
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try:
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exec "from __future__ import division, with_statement; with = 0"
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except SyntaxError:
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pass
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else:
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self.fail("syntax error didn't occur")
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try:
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exec "from __future__ import (with_statement, division); with = 0"
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except SyntaxError:
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pass
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else:
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self.fail("syntax error didn't occur")
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def test_main():
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test_support.run_unittest(FutureTest)
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if __name__ == "__main__":
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test_main()
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