Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_future.py @ 70626:aa07c1237f4e

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(Merge 3.2) Issue #12016: Reindent decoders of HK and JP codecs
author Victor Stinner <victor.stinner@haypocalc.com>
date Fri, 03 Jun 2011 23:34:32 +0200
parents 6a649a15cd14
children 83ae10bf608c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # Test various flavors of legal and illegal future statements
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2
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3 import unittest
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4 from test import support
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5 import re
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6
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7 rx = re.compile('\((\S+).py, line (\d+)')
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8
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9 def get_error_location(msg):
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10 mo = rx.search(str(msg))
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11 return mo.group(1, 2)
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12
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13 class FutureTest(unittest.TestCase):
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14
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15 def test_future1(self):
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16 support.unload('future_test1')
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17 from test import future_test1
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18 self.assertEqual(future_test1.result, 6)
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19
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20 def test_future2(self):
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21 support.unload('future_test2')
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22 from test import future_test2
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23 self.assertEqual(future_test2.result, 6)
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25 def test_future3(self):
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26 support.unload('test_future3')
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27 from test import test_future3
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29 def test_badfuture3(self):
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30 try:
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31 from test import badsyntax_future3
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32 except SyntaxError as msg:
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33 self.assertEqual(get_error_location(msg), ("badsyntax_future3", '3'))
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34 else:
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35 self.fail("expected exception didn't occur")
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37 def test_badfuture4(self):
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38 try:
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39 from test import badsyntax_future4
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40 except SyntaxError as msg:
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41 self.assertEqual(get_error_location(msg), ("badsyntax_future4", '3'))
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42 else:
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43 self.fail("expected exception didn't occur")
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44
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45 def test_badfuture5(self):
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46 try:
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47 from test import badsyntax_future5
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48 except SyntaxError as msg:
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49 self.assertEqual(get_error_location(msg), ("badsyntax_future5", '4'))
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50 else:
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51 self.fail("expected exception didn't occur")
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53 def test_badfuture6(self):
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54 try:
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55 from test import badsyntax_future6
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56 except SyntaxError as msg:
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57 self.assertEqual(get_error_location(msg), ("badsyntax_future6", '3'))
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58 else:
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59 self.fail("expected exception didn't occur")
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61 def test_badfuture7(self):
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62 try:
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63 from test import badsyntax_future7
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64 except SyntaxError as msg:
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65 self.assertEqual(get_error_location(msg), ("badsyntax_future7", '3'))
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66 else:
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67 self.fail("expected exception didn't occur")
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69 def test_badfuture8(self):
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70 try:
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71 from test import badsyntax_future8
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72 except SyntaxError as msg:
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73 self.assertEqual(get_error_location(msg), ("badsyntax_future8", '3'))
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74 else:
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75 self.fail("expected exception didn't occur")
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77 def test_badfuture9(self):
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78 try:
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79 from test import badsyntax_future9
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80 except SyntaxError as msg:
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81 self.assertEqual(get_error_location(msg), ("badsyntax_future9", '3'))
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82 else:
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83 self.fail("expected exception didn't occur")
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84
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85 def test_parserhack(self):
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86 # test that the parser.c::future_hack function works as expected
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87 # Note: although this test must pass, it's not testing the original
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88 # bug as of 2.6 since the with statement is not optional and
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89 # the parser hack disabled. If a new keyword is introduced in
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90 # 2.6, change this to refer to the new future import.
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91 try:
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92 exec("from __future__ import print_function; print 0")
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93 except SyntaxError:
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94 pass
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95 else:
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96 self.fail("syntax error didn't occur")
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97
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98 try:
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99 exec("from __future__ import (print_function); print 0")
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100 except SyntaxError:
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101 pass
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102 else:
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103 self.fail("syntax error didn't occur")
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104
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105 def test_multiple_features(self):
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106 support.unload("test.test_future5")
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107 from test import test_future5
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108
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109 def test_unicode_literals_exec(self):
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110 scope = {}
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111 exec("from __future__ import unicode_literals; x = ''", {}, scope)
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112 self.assertIsInstance(scope["x"], str)
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113
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114
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115 def test_main():
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116 support.run_unittest(FutureTest)
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117
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118 if __name__ == "__main__":
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119 test_main()