Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_exceptions.py @ 54294:dba767bc3155 legacy-trunk

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remove mention of old ctypes version
author Benjamin Peterson <benjamin@python.org>
date Sat, 23 May 2009 20:59:09 +0000
parents ff96a313cd1c
children 8ab304034021 6768b2350c57
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # Python test set -- part 5, built-in exceptions
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2
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3 import os
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4 import sys
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5 import unittest
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6 import pickle, cPickle
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7 import warnings
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8
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9 from test.test_support import TESTFN, unlink, run_unittest, captured_output
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10 from test.test_pep352 import ignore_message_warning
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11
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12 # XXX This is not really enough, each *operation* should be tested!
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13
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14 class ExceptionTests(unittest.TestCase):
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15
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16 def testReload(self):
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17 # Reloading the built-in exceptions module failed prior to Py2.2, while it
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18 # should act the same as reloading built-in sys.
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19 try:
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20 import exceptions
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21 reload(exceptions)
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22 except ImportError, e:
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23 self.fail("reloading exceptions: %s" % e)
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24
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25 def raise_catch(self, exc, excname):
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26 try:
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27 raise exc, "spam"
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28 except exc, err:
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29 buf1 = str(err)
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30 try:
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31 raise exc("spam")
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32 except exc, err:
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33 buf2 = str(err)
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34 self.assertEquals(buf1, buf2)
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35 self.assertEquals(exc.__name__, excname)
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36
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37 def testRaising(self):
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38 self.raise_catch(AttributeError, "AttributeError")
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39 self.assertRaises(AttributeError, getattr, sys, "undefined_attribute")
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41 self.raise_catch(EOFError, "EOFError")
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42 fp = open(TESTFN, 'w')
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43 fp.close()
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44 fp = open(TESTFN, 'r')
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45 savestdin = sys.stdin
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46 try:
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47 try:
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48 sys.stdin = fp
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49 x = raw_input()
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50 except EOFError:
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51 pass
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52 finally:
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53 sys.stdin = savestdin
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54 fp.close()
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55 unlink(TESTFN)
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56
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57 self.raise_catch(IOError, "IOError")
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58 self.assertRaises(IOError, open, 'this file does not exist', 'r')
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59
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60 self.raise_catch(ImportError, "ImportError")
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61 self.assertRaises(ImportError, __import__, "undefined_module")
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62
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63 self.raise_catch(IndexError, "IndexError")
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64 x = []
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65 self.assertRaises(IndexError, x.__getitem__, 10)
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66
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67 self.raise_catch(KeyError, "KeyError")
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68 x = {}
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69 self.assertRaises(KeyError, x.__getitem__, 'key')
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70
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71 self.raise_catch(KeyboardInterrupt, "KeyboardInterrupt")
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72
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73 self.raise_catch(MemoryError, "MemoryError")
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74
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75 self.raise_catch(NameError, "NameError")
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76 try: x = undefined_variable
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77 except NameError: pass
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78
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79 self.raise_catch(OverflowError, "OverflowError")
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80 x = 1
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81 for dummy in range(128):
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82 x += x # this simply shouldn't blow up
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83
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84 self.raise_catch(RuntimeError, "RuntimeError")
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85
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86 self.raise_catch(SyntaxError, "SyntaxError")
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87 try: exec '/\n'
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88 except SyntaxError: pass
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89
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90 self.raise_catch(IndentationError, "IndentationError")
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91
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92 self.raise_catch(TabError, "TabError")
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93 # can only be tested under -tt, and is the only test for -tt
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94 #try: compile("try:\n\t1/0\n \t1/0\nfinally:\n pass\n", '<string>', 'exec')
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95 #except TabError: pass
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96 #else: self.fail("TabError not raised")
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97
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98 self.raise_catch(SystemError, "SystemError")
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99
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100 self.raise_catch(SystemExit, "SystemExit")
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101 self.assertRaises(SystemExit, sys.exit, 0)
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102
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103 self.raise_catch(TypeError, "TypeError")
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104 try: [] + ()
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105 except TypeError: pass
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106
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107 self.raise_catch(ValueError, "ValueError")
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108 self.assertRaises(ValueError, chr, 10000)
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109
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110 self.raise_catch(ZeroDivisionError, "ZeroDivisionError")
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111 try: x = 1/0
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112 except ZeroDivisionError: pass
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113
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114 self.raise_catch(Exception, "Exception")
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115 try: x = 1/0
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116 except Exception, e: pass
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117
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118 def testSyntaxErrorMessage(self):
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119 # make sure the right exception message is raised for each of
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120 # these code fragments
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121
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122 def ckmsg(src, msg):
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123 try:
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124 compile(src, '<fragment>', 'exec')
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125 except SyntaxError, e:
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126 if e.msg != msg:
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127 self.fail("expected %s, got %s" % (msg, e.msg))
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128 else:
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129 self.fail("failed to get expected SyntaxError")
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130
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131 s = '''while 1:
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132 try:
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133 pass
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134 finally:
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135 continue'''
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136
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137 if not sys.platform.startswith('java'):
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138 ckmsg(s, "'continue' not supported inside 'finally' clause")
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139
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140 s = '''if 1:
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141 try:
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142 continue
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143 except:
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144 pass'''
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145
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146 ckmsg(s, "'continue' not properly in loop")
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147 ckmsg("continue\n", "'continue' not properly in loop")
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149 def testSettingException(self):
38541
f37e67bd4393 Convert docstrings to comments so regrtest -v prints method names
Neal Norwitz <nnorwitz@gmail.com>
parents: 38535
diff changeset
150 # test that setting an exception at the C level works even if the
f37e67bd4393 Convert docstrings to comments so regrtest -v prints method names
Neal Norwitz <nnorwitz@gmail.com>
parents: 38535
diff changeset
151 # exception object can't be constructed.
653
74942ec70430 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
152
38511
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parents: 38510
diff changeset
153 class BadException:
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
154 def __init__(self_):
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
155 raise RuntimeError, "can't instantiate BadException"
653
74942ec70430 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
156
38511
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parents: 38510
diff changeset
157 def test_capi1():
c747ad53e09e Convert test_exceptions to unittest.
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parents: 38510
diff changeset
158 import _testcapi
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
159 try:
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
160 _testcapi.raise_exception(BadException, 1)
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
161 except TypeError, err:
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
162 exc, err, tb = sys.exc_info()
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
163 co = tb.tb_frame.f_code
c747ad53e09e Convert test_exceptions to unittest.
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parents: 38510
diff changeset
164 self.assertEquals(co.co_name, "test_capi1")
c747ad53e09e Convert test_exceptions to unittest.
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parents: 38510
diff changeset
165 self.assert_(co.co_filename.endswith('test_exceptions'+os.extsep+'py'))
c747ad53e09e Convert test_exceptions to unittest.
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parents: 38510
diff changeset
166 else:
c747ad53e09e Convert test_exceptions to unittest.
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parents: 38510
diff changeset
167 self.fail("Expected exception")
20117
e026f517f655 Add tests for new PyErr_NormalizeException() behavior
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19437
diff changeset
168
38511
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
169 def test_capi2():
c747ad53e09e Convert test_exceptions to unittest.
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parents: 38510
diff changeset
170 import _testcapi
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
171 try:
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
172 _testcapi.raise_exception(BadException, 0)
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
173 except RuntimeError, err:
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
174 exc, err, tb = sys.exc_info()
c747ad53e09e Convert test_exceptions to unittest.
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parents: 38510
diff changeset
175 co = tb.tb_frame.f_code
c747ad53e09e Convert test_exceptions to unittest.
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parents: 38510
diff changeset
176 self.assertEquals(co.co_name, "__init__")
c747ad53e09e Convert test_exceptions to unittest.
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parents: 38510
diff changeset
177 self.assert_(co.co_filename.endswith('test_exceptions'+os.extsep+'py'))
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
178 co2 = tb.tb_frame.f_back.f_code
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
179 self.assertEquals(co2.co_name, "test_capi2")
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
180 else:
c747ad53e09e Convert test_exceptions to unittest.
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parents: 38510
diff changeset
181 self.fail("Expected exception")
20117
e026f517f655 Add tests for new PyErr_NormalizeException() behavior
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19437
diff changeset
182
38511
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parents: 38510
diff changeset
183 if not sys.platform.startswith('java'):
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
184 test_capi1()
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
185 test_capi2()
38431
4c0823f0a0a1 Conversion of exceptions over from faked-up classes to new-style C types.
Richard Jones <richard@commonground.com.au>
parents: 36751
diff changeset
186
40209
988d95ff1fdb WindowsError.str should display the windows error code,
Thomas Heller <theller@ctypes.org>
parents: 39924
diff changeset
187 def test_WindowsError(self):
988d95ff1fdb WindowsError.str should display the windows error code,
Thomas Heller <theller@ctypes.org>
parents: 39924
diff changeset
188 try:
988d95ff1fdb WindowsError.str should display the windows error code,
Thomas Heller <theller@ctypes.org>
parents: 39924
diff changeset
189 WindowsError
988d95ff1fdb WindowsError.str should display the windows error code,
Thomas Heller <theller@ctypes.org>
parents: 39924
diff changeset
190 except NameError:
988d95ff1fdb WindowsError.str should display the windows error code,
Thomas Heller <theller@ctypes.org>
parents: 39924
diff changeset
191 pass
988d95ff1fdb WindowsError.str should display the windows error code,
Thomas Heller <theller@ctypes.org>
parents: 39924
diff changeset
192 else:
988d95ff1fdb WindowsError.str should display the windows error code,
Thomas Heller <theller@ctypes.org>
parents: 39924
diff changeset
193 self.failUnlessEqual(str(WindowsError(1001)),
988d95ff1fdb WindowsError.str should display the windows error code,
Thomas Heller <theller@ctypes.org>
parents: 39924
diff changeset
194 "1001")
988d95ff1fdb WindowsError.str should display the windows error code,
Thomas Heller <theller@ctypes.org>
parents: 39924
diff changeset
195 self.failUnlessEqual(str(WindowsError(1001, "message")),
988d95ff1fdb WindowsError.str should display the windows error code,
Thomas Heller <theller@ctypes.org>
parents: 39924
diff changeset
196 "[Error 1001] message")
988d95ff1fdb WindowsError.str should display the windows error code,
Thomas Heller <theller@ctypes.org>
parents: 39924
diff changeset
197 self.failUnlessEqual(WindowsError(1001, "message").errno, 22)
988d95ff1fdb WindowsError.str should display the windows error code,
Thomas Heller <theller@ctypes.org>
parents: 39924
diff changeset
198 self.failUnlessEqual(WindowsError(1001, "message").winerror, 1001)
988d95ff1fdb WindowsError.str should display the windows error code,
Thomas Heller <theller@ctypes.org>
parents: 39924
diff changeset
199
38511
c747ad53e09e Convert test_exceptions to unittest.
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parents: 38510
diff changeset
200 def testAttributes(self):
38541
f37e67bd4393 Convert docstrings to comments so regrtest -v prints method names
Neal Norwitz <nnorwitz@gmail.com>
parents: 38535
diff changeset
201 # test that exception attributes are happy
38517
d2ae580880b4 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 38511
diff changeset
202
38511
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Georg Brandl <georg@python.org>
parents: 38510
diff changeset
203 exceptionList = [
38535
cf677e978852 Some code style tweaks, and remove apply.
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parents: 38517
diff changeset
204 (BaseException, (), {'message' : '', 'args' : ()}),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
205 (BaseException, (1, ), {'message' : 1, 'args' : (1,)}),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
206 (BaseException, ('foo',),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
207 {'message' : 'foo', 'args' : ('foo',)}),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
208 (BaseException, ('foo', 1),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
209 {'message' : '', 'args' : ('foo', 1)}),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
210 (SystemExit, ('foo',),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
211 {'message' : 'foo', 'args' : ('foo',), 'code' : 'foo'}),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
212 (IOError, ('foo',),
39924
e1ab4653ebc0 Bug #1566800: make sure that EnvironmentError can be called with any
Georg Brandl <georg@python.org>
parents: 39818
diff changeset
213 {'message' : 'foo', 'args' : ('foo',), 'filename' : None,
e1ab4653ebc0 Bug #1566800: make sure that EnvironmentError can be called with any
Georg Brandl <georg@python.org>
parents: 39818
diff changeset
214 'errno' : None, 'strerror' : None}),
38535
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
215 (IOError, ('foo', 'bar'),
39924
e1ab4653ebc0 Bug #1566800: make sure that EnvironmentError can be called with any
Georg Brandl <georg@python.org>
parents: 39818
diff changeset
216 {'message' : '', 'args' : ('foo', 'bar'), 'filename' : None,
e1ab4653ebc0 Bug #1566800: make sure that EnvironmentError can be called with any
Georg Brandl <georg@python.org>
parents: 39818
diff changeset
217 'errno' : 'foo', 'strerror' : 'bar'}),
38535
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
218 (IOError, ('foo', 'bar', 'baz'),
39924
e1ab4653ebc0 Bug #1566800: make sure that EnvironmentError can be called with any
Georg Brandl <georg@python.org>
parents: 39818
diff changeset
219 {'message' : '', 'args' : ('foo', 'bar'), 'filename' : 'baz',
e1ab4653ebc0 Bug #1566800: make sure that EnvironmentError can be called with any
Georg Brandl <georg@python.org>
parents: 39818
diff changeset
220 'errno' : 'foo', 'strerror' : 'bar'}),
e1ab4653ebc0 Bug #1566800: make sure that EnvironmentError can be called with any
Georg Brandl <georg@python.org>
parents: 39818
diff changeset
221 (IOError, ('foo', 'bar', 'baz', 'quux'),
e1ab4653ebc0 Bug #1566800: make sure that EnvironmentError can be called with any
Georg Brandl <georg@python.org>
parents: 39818
diff changeset
222 {'message' : '', 'args' : ('foo', 'bar', 'baz', 'quux')}),
38535
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
223 (EnvironmentError, ('errnoStr', 'strErrorStr', 'filenameStr'),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
224 {'message' : '', 'args' : ('errnoStr', 'strErrorStr'),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
225 'strerror' : 'strErrorStr', 'errno' : 'errnoStr',
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
226 'filename' : 'filenameStr'}),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
227 (EnvironmentError, (1, 'strErrorStr', 'filenameStr'),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
228 {'message' : '', 'args' : (1, 'strErrorStr'), 'errno' : 1,
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
229 'strerror' : 'strErrorStr', 'filename' : 'filenameStr'}),
40987
9dd86ead51c3 Add a test for instantiating SyntaxError with no arguments.
Brett Cannon <bcannon@gmail.com>
parents: 40725
diff changeset
230 (SyntaxError, (), {'message' : '', 'msg' : None, 'text' : None,
9dd86ead51c3 Add a test for instantiating SyntaxError with no arguments.
Brett Cannon <bcannon@gmail.com>
parents: 40725
diff changeset
231 'filename' : None, 'lineno' : None, 'offset' : None,
9dd86ead51c3 Add a test for instantiating SyntaxError with no arguments.
Brett Cannon <bcannon@gmail.com>
parents: 40725
diff changeset
232 'print_file_and_line' : None}),
38535
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
233 (SyntaxError, ('msgStr',),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
234 {'message' : 'msgStr', 'args' : ('msgStr',), 'text' : None,
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
235 'print_file_and_line' : None, 'msg' : 'msgStr',
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
236 'filename' : None, 'lineno' : None, 'offset' : None}),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
237 (SyntaxError, ('msgStr', ('filenameStr', 'linenoStr', 'offsetStr',
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
238 'textStr')),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
239 {'message' : '', 'offset' : 'offsetStr', 'text' : 'textStr',
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
240 'args' : ('msgStr', ('filenameStr', 'linenoStr',
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
241 'offsetStr', 'textStr')),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
242 'print_file_and_line' : None, 'msg' : 'msgStr',
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
243 'filename' : 'filenameStr', 'lineno' : 'linenoStr'}),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
244 (SyntaxError, ('msgStr', 'filenameStr', 'linenoStr', 'offsetStr',
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
245 'textStr', 'print_file_and_lineStr'),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
246 {'message' : '', 'text' : None,
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
247 'args' : ('msgStr', 'filenameStr', 'linenoStr', 'offsetStr',
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
248 'textStr', 'print_file_and_lineStr'),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
249 'print_file_and_line' : None, 'msg' : 'msgStr',
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
250 'filename' : None, 'lineno' : None, 'offset' : None}),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
251 (UnicodeError, (), {'message' : '', 'args' : (),}),
39781
cb883e7e0b7e Bug #1542051: Exceptions now correctly call PyObject_GC_UnTrack.
Georg Brandl <georg@python.org>
parents: 38904
diff changeset
252 (UnicodeEncodeError, ('ascii', u'a', 0, 1, 'ordinal not in range'),
cb883e7e0b7e Bug #1542051: Exceptions now correctly call PyObject_GC_UnTrack.
Georg Brandl <georg@python.org>
parents: 38904
diff changeset
253 {'message' : '', 'args' : ('ascii', u'a', 0, 1,
cb883e7e0b7e Bug #1542051: Exceptions now correctly call PyObject_GC_UnTrack.
Georg Brandl <georg@python.org>
parents: 38904
diff changeset
254 'ordinal not in range'),
cb883e7e0b7e Bug #1542051: Exceptions now correctly call PyObject_GC_UnTrack.
Georg Brandl <georg@python.org>
parents: 38904
diff changeset
255 'encoding' : 'ascii', 'object' : u'a',
cb883e7e0b7e Bug #1542051: Exceptions now correctly call PyObject_GC_UnTrack.
Georg Brandl <georg@python.org>
parents: 38904
diff changeset
256 'start' : 0, 'reason' : 'ordinal not in range'}),
cb883e7e0b7e Bug #1542051: Exceptions now correctly call PyObject_GC_UnTrack.
Georg Brandl <georg@python.org>
parents: 38904
diff changeset
257 (UnicodeDecodeError, ('ascii', '\xff', 0, 1, 'ordinal not in range'),
38535
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
258 {'message' : '', 'args' : ('ascii', '\xff', 0, 1,
39781
cb883e7e0b7e Bug #1542051: Exceptions now correctly call PyObject_GC_UnTrack.
Georg Brandl <georg@python.org>
parents: 38904
diff changeset
259 'ordinal not in range'),
38535
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
260 'encoding' : 'ascii', 'object' : '\xff',
39781
cb883e7e0b7e Bug #1542051: Exceptions now correctly call PyObject_GC_UnTrack.
Georg Brandl <georg@python.org>
parents: 38904
diff changeset
261 'start' : 0, 'reason' : 'ordinal not in range'}),
38535
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
262 (UnicodeTranslateError, (u"\u3042", 0, 1, "ouch"),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
263 {'message' : '', 'args' : (u'\u3042', 0, 1, 'ouch'),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
264 'object' : u'\u3042', 'reason' : 'ouch',
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
265 'start' : 0, 'end' : 1}),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
266 ]
38511
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
267 try:
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
268 exceptionList.append(
38535
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
269 (WindowsError, (1, 'strErrorStr', 'filenameStr'),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
270 {'message' : '', 'args' : (1, 'strErrorStr'),
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
271 'strerror' : 'strErrorStr', 'winerror' : 1,
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
272 'errno' : 22, 'filename' : 'filenameStr'})
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
diff changeset
273 )
38638
ea9966c88657 SF patch 1501987: Remove randomness from test_exceptions,
Tim Peters <tim.peters@gmail.com>
parents: 38542
diff changeset
274 except NameError:
ea9966c88657 SF patch 1501987: Remove randomness from test_exceptions,
Tim Peters <tim.peters@gmail.com>
parents: 38542
diff changeset
275 pass
38506
0aba63ff7f73 Add a test case for exception pickling. args is never NULL.
Georg Brandl <georg@python.org>
parents: 38431
diff changeset
276
49099
ff96a313cd1c warnings.catch_warnings() now returns a list or None instead of the custom
Brett Cannon <bcannon@gmail.com>
parents: 48876
diff changeset
277 with warnings.catch_warnings():
41617
615795d52b9f Deprecate BaseException.message as per PEP 352.
Brett Cannon <bcannon@gmail.com>
parents: 40987
diff changeset
278 ignore_message_warning()
615795d52b9f Deprecate BaseException.message as per PEP 352.
Brett Cannon <bcannon@gmail.com>
parents: 40987
diff changeset
279 for exc, args, expected in exceptionList:
615795d52b9f Deprecate BaseException.message as per PEP 352.
Brett Cannon <bcannon@gmail.com>
parents: 40987
diff changeset
280 try:
615795d52b9f Deprecate BaseException.message as per PEP 352.
Brett Cannon <bcannon@gmail.com>
parents: 40987
diff changeset
281 raise exc(*args)
615795d52b9f Deprecate BaseException.message as per PEP 352.
Brett Cannon <bcannon@gmail.com>
parents: 40987
diff changeset
282 except BaseException, e:
615795d52b9f Deprecate BaseException.message as per PEP 352.
Brett Cannon <bcannon@gmail.com>
parents: 40987
diff changeset
283 if type(e) is not exc:
615795d52b9f Deprecate BaseException.message as per PEP 352.
Brett Cannon <bcannon@gmail.com>
parents: 40987
diff changeset
284 raise
615795d52b9f Deprecate BaseException.message as per PEP 352.
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diff changeset
285 # Verify module name
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62eee79de923 Revert accidental checkins from last commit.
Georg Brandl <georg@python.org>
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diff changeset
286 self.assertEquals(type(e).__module__, 'exceptions')
41617
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diff changeset
287 # Verify no ref leaks in Exc_str()
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diff changeset
288 s = str(e)
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diff changeset
289 for checkArgName in expected:
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diff changeset
290 self.assertEquals(repr(getattr(e, checkArgName)),
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diff changeset
291 repr(expected[checkArgName]),
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292 'exception "%s", attribute "%s"' %
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293 (repr(e), checkArgName))
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d2ae580880b4 Whitespace normalization.
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294
41617
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295 # test for pickling support
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296 for p in pickle, cPickle:
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297 for protocol in range(p.HIGHEST_PROTOCOL + 1):
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298 new = p.loads(p.dumps(e, protocol))
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diff changeset
299 for checkArgName in expected:
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diff changeset
300 got = repr(getattr(new, checkArgName))
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diff changeset
301 want = repr(expected[checkArgName])
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302 self.assertEquals(got, want,
43758
6e491d12765c Add a missing quotation mark.
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303 'pickled "%r", attribute "%s"' %
41617
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diff changeset
304 (e, checkArgName))
38508
99564e62aea9 Disallow keyword args for exceptions.
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parents: 38506
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305
40725
2d8239abfa60 Add a test for slicing an exception.
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306 def testSlicing(self):
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307 # Test that you can slice an exception directly instead of requiring
2d8239abfa60 Add a test for slicing an exception.
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308 # going through the 'args' attribute.
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309 args = (1, 2, 3)
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310 exc = BaseException(*args)
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311 self.failUnlessEqual(exc[:], args)
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312
38511
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313 def testKeywordArgs(self):
38541
f37e67bd4393 Convert docstrings to comments so regrtest -v prints method names
Neal Norwitz <nnorwitz@gmail.com>
parents: 38535
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314 # test that builtin exception don't take keyword args,
f37e67bd4393 Convert docstrings to comments so regrtest -v prints method names
Neal Norwitz <nnorwitz@gmail.com>
parents: 38535
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315 # but user-defined subclasses can if they want
38511
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
316 self.assertRaises(TypeError, BaseException, a=1)
38535
cf677e978852 Some code style tweaks, and remove apply.
Georg Brandl <georg@python.org>
parents: 38517
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317
38511
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
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diff changeset
318 class DerivedException(BaseException):
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
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319 def __init__(self, fancy_arg):
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diff changeset
320 BaseException.__init__(self)
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parents: 38510
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321 self.fancy_arg = fancy_arg
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parents: 38510
diff changeset
322
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
323 x = DerivedException(fancy_arg=42)
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
324 self.assertEquals(x.fancy_arg, 42)
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
325
38904
506c76847ec7 Fix for an obscure bug introduced by revs 46806 and 46808, with a test.
Armin Rigo <arigo@tunes.org>
parents: 38638
diff changeset
326 def testInfiniteRecursion(self):
506c76847ec7 Fix for an obscure bug introduced by revs 46806 and 46808, with a test.
Armin Rigo <arigo@tunes.org>
parents: 38638
diff changeset
327 def f():
506c76847ec7 Fix for an obscure bug introduced by revs 46806 and 46808, with a test.
Armin Rigo <arigo@tunes.org>
parents: 38638
diff changeset
328 return f()
506c76847ec7 Fix for an obscure bug introduced by revs 46806 and 46808, with a test.
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parents: 38638
diff changeset
329 self.assertRaises(RuntimeError, f)
506c76847ec7 Fix for an obscure bug introduced by revs 46806 and 46808, with a test.
Armin Rigo <arigo@tunes.org>
parents: 38638
diff changeset
330
506c76847ec7 Fix for an obscure bug introduced by revs 46806 and 46808, with a test.
Armin Rigo <arigo@tunes.org>
parents: 38638
diff changeset
331 def g():
506c76847ec7 Fix for an obscure bug introduced by revs 46806 and 46808, with a test.
Armin Rigo <arigo@tunes.org>
parents: 38638
diff changeset
332 try:
506c76847ec7 Fix for an obscure bug introduced by revs 46806 and 46808, with a test.
Armin Rigo <arigo@tunes.org>
parents: 38638
diff changeset
333 return g()
506c76847ec7 Fix for an obscure bug introduced by revs 46806 and 46808, with a test.
Armin Rigo <arigo@tunes.org>
parents: 38638
diff changeset
334 except ValueError:
506c76847ec7 Fix for an obscure bug introduced by revs 46806 and 46808, with a test.
Armin Rigo <arigo@tunes.org>
parents: 38638
diff changeset
335 return -1
48876
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
336
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
337 # The test prints an unraisable recursion error when
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
338 # doing "except ValueError", this is because subclass
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
339 # checking has recursion checking too.
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
340 with captured_output("stderr"):
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
341 try:
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
342 g()
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
343 except RuntimeError:
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
344 pass
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
345 except:
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
346 self.fail("Should have raised KeyError")
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
347 else:
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
348 self.fail("Should have raised KeyError")
38904
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parents: 38638
diff changeset
349
39818
c2fd978df392 Remove the __unicode__ method from exceptions. Allows unicode() to be called
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parents: 39781
diff changeset
350 def testUnicodeStrUsage(self):
c2fd978df392 Remove the __unicode__ method from exceptions. Allows unicode() to be called
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diff changeset
351 # Make sure both instances and classes have a str and unicode
c2fd978df392 Remove the __unicode__ method from exceptions. Allows unicode() to be called
Brett Cannon <bcannon@gmail.com>
parents: 39781
diff changeset
352 # representation.
c2fd978df392 Remove the __unicode__ method from exceptions. Allows unicode() to be called
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diff changeset
353 self.failUnless(str(Exception))
c2fd978df392 Remove the __unicode__ method from exceptions. Allows unicode() to be called
Brett Cannon <bcannon@gmail.com>
parents: 39781
diff changeset
354 self.failUnless(unicode(Exception))
c2fd978df392 Remove the __unicode__ method from exceptions. Allows unicode() to be called
Brett Cannon <bcannon@gmail.com>
parents: 39781
diff changeset
355 self.failUnless(str(Exception('a')))
c2fd978df392 Remove the __unicode__ method from exceptions. Allows unicode() to be called
Brett Cannon <bcannon@gmail.com>
parents: 39781
diff changeset
356 self.failUnless(unicode(Exception(u'a')))
47914
1bc543944daa Issue 2517: Allow unicode messages in Exceptions again by correctly bypassing the instance dictionary when looking up __unicode__ on new-style classes
Nick Coghlan <ncoghlan@gmail.com>
parents: 43758
diff changeset
357 self.failUnless(unicode(Exception(u'\xe1')))
39818
c2fd978df392 Remove the __unicode__ method from exceptions. Allows unicode() to be called
Brett Cannon <bcannon@gmail.com>
parents: 39781
diff changeset
358
48107
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
359 def test_badisinstance(self):
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
360 # Bug #2542: if issubclass(e, MyException) raises an exception,
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
361 # it should be ignored
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
362 class Meta(type):
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
363 def __subclasscheck__(cls, subclass):
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
364 raise ValueError()
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
365
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
366 class MyException(Exception):
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
367 __metaclass__ = Meta
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
368 pass
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
369
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
370 with captured_output("stderr") as stderr:
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
371 try:
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
372 raise KeyError()
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
373 except MyException, e:
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
374 self.fail("exception should not be a MyException")
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
375 except KeyError:
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
376 pass
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
377 except:
48876
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
378 self.fail("Should have raised KeyError")
48107
0fbddc04aee1 #2542: now that issubclass() may call arbitrary code,
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47914
diff changeset
379 else:
48876
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
380 self.fail("Should have raised KeyError")
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
381
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
382 with captured_output("stderr") as stderr:
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
383 def g():
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
384 try:
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
385 return g()
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
386 except RuntimeError:
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
387 return sys.exc_info()
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
388 e, v, tb = g()
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
389 self.assert_(e is RuntimeError, e)
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
390 self.assert_("maximum recursion depth exceeded" in str(v), v)
d01c1d768841 Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
Antoine Pitrou <solipsis@pitrou.net>
parents: 48116
diff changeset
391
39818
c2fd978df392 Remove the __unicode__ method from exceptions. Allows unicode() to be called
Brett Cannon <bcannon@gmail.com>
parents: 39781
diff changeset
392
38511
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
393 def test_main():
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
394 run_unittest(ExceptionTests)
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
395
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
396 if __name__ == '__main__':
c747ad53e09e Convert test_exceptions to unittest.
Georg Brandl <georg@python.org>
parents: 38510
diff changeset
397 test_main()