mirror of https://github.com/python/cpython
582 lines
23 KiB
Python
582 lines
23 KiB
Python
# Python test set -- part 5, built-in exceptions
|
|
|
|
import os
|
|
import sys
|
|
import unittest
|
|
import pickle, cPickle
|
|
import warnings
|
|
|
|
from test.test_support import TESTFN, unlink, run_unittest, captured_output
|
|
from test.test_pep352 import ignore_message_warning
|
|
|
|
# XXX This is not really enough, each *operation* should be tested!
|
|
|
|
class ExceptionTests(unittest.TestCase):
|
|
|
|
def testReload(self):
|
|
# Reloading the built-in exceptions module failed prior to Py2.2, while it
|
|
# should act the same as reloading built-in sys.
|
|
try:
|
|
import exceptions
|
|
reload(exceptions)
|
|
except ImportError, e:
|
|
self.fail("reloading exceptions: %s" % e)
|
|
|
|
def raise_catch(self, exc, excname):
|
|
try:
|
|
raise exc, "spam"
|
|
except exc, err:
|
|
buf1 = str(err)
|
|
try:
|
|
raise exc("spam")
|
|
except exc, err:
|
|
buf2 = str(err)
|
|
self.assertEquals(buf1, buf2)
|
|
self.assertEquals(exc.__name__, excname)
|
|
|
|
def testRaising(self):
|
|
self.raise_catch(AttributeError, "AttributeError")
|
|
self.assertRaises(AttributeError, getattr, sys, "undefined_attribute")
|
|
|
|
self.raise_catch(EOFError, "EOFError")
|
|
fp = open(TESTFN, 'w')
|
|
fp.close()
|
|
fp = open(TESTFN, 'r')
|
|
savestdin = sys.stdin
|
|
try:
|
|
try:
|
|
sys.stdin = fp
|
|
x = raw_input()
|
|
except EOFError:
|
|
pass
|
|
finally:
|
|
sys.stdin = savestdin
|
|
fp.close()
|
|
unlink(TESTFN)
|
|
|
|
self.raise_catch(IOError, "IOError")
|
|
self.assertRaises(IOError, open, 'this file does not exist', 'r')
|
|
|
|
self.raise_catch(ImportError, "ImportError")
|
|
self.assertRaises(ImportError, __import__, "undefined_module")
|
|
|
|
self.raise_catch(IndexError, "IndexError")
|
|
x = []
|
|
self.assertRaises(IndexError, x.__getitem__, 10)
|
|
|
|
self.raise_catch(KeyError, "KeyError")
|
|
x = {}
|
|
self.assertRaises(KeyError, x.__getitem__, 'key')
|
|
|
|
self.raise_catch(KeyboardInterrupt, "KeyboardInterrupt")
|
|
|
|
self.raise_catch(MemoryError, "MemoryError")
|
|
|
|
self.raise_catch(NameError, "NameError")
|
|
try: x = undefined_variable
|
|
except NameError: pass
|
|
|
|
self.raise_catch(OverflowError, "OverflowError")
|
|
x = 1
|
|
for dummy in range(128):
|
|
x += x # this simply shouldn't blow up
|
|
|
|
self.raise_catch(RuntimeError, "RuntimeError")
|
|
|
|
self.raise_catch(SyntaxError, "SyntaxError")
|
|
try: exec '/\n'
|
|
except SyntaxError: pass
|
|
|
|
self.raise_catch(IndentationError, "IndentationError")
|
|
|
|
self.raise_catch(TabError, "TabError")
|
|
# can only be tested under -tt, and is the only test for -tt
|
|
#try: compile("try:\n\t1/0\n \t1/0\nfinally:\n pass\n", '<string>', 'exec')
|
|
#except TabError: pass
|
|
#else: self.fail("TabError not raised")
|
|
|
|
self.raise_catch(SystemError, "SystemError")
|
|
|
|
self.raise_catch(SystemExit, "SystemExit")
|
|
self.assertRaises(SystemExit, sys.exit, 0)
|
|
|
|
self.raise_catch(TypeError, "TypeError")
|
|
try: [] + ()
|
|
except TypeError: pass
|
|
|
|
self.raise_catch(ValueError, "ValueError")
|
|
self.assertRaises(ValueError, chr, 10000)
|
|
|
|
self.raise_catch(ZeroDivisionError, "ZeroDivisionError")
|
|
try: x = 1/0
|
|
except ZeroDivisionError: pass
|
|
|
|
self.raise_catch(Exception, "Exception")
|
|
try: x = 1/0
|
|
except Exception, e: pass
|
|
|
|
def testSyntaxErrorMessage(self):
|
|
# make sure the right exception message is raised for each of
|
|
# these code fragments
|
|
|
|
def ckmsg(src, msg):
|
|
try:
|
|
compile(src, '<fragment>', 'exec')
|
|
except SyntaxError, e:
|
|
if e.msg != msg:
|
|
self.fail("expected %s, got %s" % (msg, e.msg))
|
|
else:
|
|
self.fail("failed to get expected SyntaxError")
|
|
|
|
s = '''while 1:
|
|
try:
|
|
pass
|
|
finally:
|
|
continue'''
|
|
|
|
if not sys.platform.startswith('java'):
|
|
ckmsg(s, "'continue' not supported inside 'finally' clause")
|
|
|
|
s = '''if 1:
|
|
try:
|
|
continue
|
|
except:
|
|
pass'''
|
|
|
|
ckmsg(s, "'continue' not properly in loop")
|
|
ckmsg("continue\n", "'continue' not properly in loop")
|
|
|
|
def testSettingException(self):
|
|
# test that setting an exception at the C level works even if the
|
|
# exception object can't be constructed.
|
|
|
|
class BadException:
|
|
def __init__(self_):
|
|
raise RuntimeError, "can't instantiate BadException"
|
|
|
|
def test_capi1():
|
|
import _testcapi
|
|
try:
|
|
_testcapi.raise_exception(BadException, 1)
|
|
except TypeError, err:
|
|
exc, err, tb = sys.exc_info()
|
|
co = tb.tb_frame.f_code
|
|
self.assertEquals(co.co_name, "test_capi1")
|
|
self.assert_(co.co_filename.endswith('test_exceptions'+os.extsep+'py'))
|
|
else:
|
|
self.fail("Expected exception")
|
|
|
|
def test_capi2():
|
|
import _testcapi
|
|
try:
|
|
_testcapi.raise_exception(BadException, 0)
|
|
except RuntimeError, err:
|
|
exc, err, tb = sys.exc_info()
|
|
co = tb.tb_frame.f_code
|
|
self.assertEquals(co.co_name, "__init__")
|
|
self.assert_(co.co_filename.endswith('test_exceptions'+os.extsep+'py'))
|
|
co2 = tb.tb_frame.f_back.f_code
|
|
self.assertEquals(co2.co_name, "test_capi2")
|
|
else:
|
|
self.fail("Expected exception")
|
|
|
|
if not sys.platform.startswith('java'):
|
|
test_capi1()
|
|
test_capi2()
|
|
|
|
def test_WindowsError(self):
|
|
try:
|
|
WindowsError
|
|
except NameError:
|
|
pass
|
|
else:
|
|
self.failUnlessEqual(str(WindowsError(1001)),
|
|
"1001")
|
|
self.failUnlessEqual(str(WindowsError(1001, "message")),
|
|
"[Error 1001] message")
|
|
self.failUnlessEqual(WindowsError(1001, "message").errno, 22)
|
|
self.failUnlessEqual(WindowsError(1001, "message").winerror, 1001)
|
|
|
|
def testAttributes(self):
|
|
# test that exception attributes are happy
|
|
|
|
exceptionList = [
|
|
(BaseException, (), {'message' : '', 'args' : ()}),
|
|
(BaseException, (1, ), {'message' : 1, 'args' : (1,)}),
|
|
(BaseException, ('foo',),
|
|
{'message' : 'foo', 'args' : ('foo',)}),
|
|
(BaseException, ('foo', 1),
|
|
{'message' : '', 'args' : ('foo', 1)}),
|
|
(SystemExit, ('foo',),
|
|
{'message' : 'foo', 'args' : ('foo',), 'code' : 'foo'}),
|
|
(IOError, ('foo',),
|
|
{'message' : 'foo', 'args' : ('foo',), 'filename' : None,
|
|
'errno' : None, 'strerror' : None}),
|
|
(IOError, ('foo', 'bar'),
|
|
{'message' : '', 'args' : ('foo', 'bar'), 'filename' : None,
|
|
'errno' : 'foo', 'strerror' : 'bar'}),
|
|
(IOError, ('foo', 'bar', 'baz'),
|
|
{'message' : '', 'args' : ('foo', 'bar'), 'filename' : 'baz',
|
|
'errno' : 'foo', 'strerror' : 'bar'}),
|
|
(IOError, ('foo', 'bar', 'baz', 'quux'),
|
|
{'message' : '', 'args' : ('foo', 'bar', 'baz', 'quux')}),
|
|
(EnvironmentError, ('errnoStr', 'strErrorStr', 'filenameStr'),
|
|
{'message' : '', 'args' : ('errnoStr', 'strErrorStr'),
|
|
'strerror' : 'strErrorStr', 'errno' : 'errnoStr',
|
|
'filename' : 'filenameStr'}),
|
|
(EnvironmentError, (1, 'strErrorStr', 'filenameStr'),
|
|
{'message' : '', 'args' : (1, 'strErrorStr'), 'errno' : 1,
|
|
'strerror' : 'strErrorStr', 'filename' : 'filenameStr'}),
|
|
(SyntaxError, (), {'message' : '', 'msg' : None, 'text' : None,
|
|
'filename' : None, 'lineno' : None, 'offset' : None,
|
|
'print_file_and_line' : None}),
|
|
(SyntaxError, ('msgStr',),
|
|
{'message' : 'msgStr', 'args' : ('msgStr',), 'text' : None,
|
|
'print_file_and_line' : None, 'msg' : 'msgStr',
|
|
'filename' : None, 'lineno' : None, 'offset' : None}),
|
|
(SyntaxError, ('msgStr', ('filenameStr', 'linenoStr', 'offsetStr',
|
|
'textStr')),
|
|
{'message' : '', 'offset' : 'offsetStr', 'text' : 'textStr',
|
|
'args' : ('msgStr', ('filenameStr', 'linenoStr',
|
|
'offsetStr', 'textStr')),
|
|
'print_file_and_line' : None, 'msg' : 'msgStr',
|
|
'filename' : 'filenameStr', 'lineno' : 'linenoStr'}),
|
|
(SyntaxError, ('msgStr', 'filenameStr', 'linenoStr', 'offsetStr',
|
|
'textStr', 'print_file_and_lineStr'),
|
|
{'message' : '', 'text' : None,
|
|
'args' : ('msgStr', 'filenameStr', 'linenoStr', 'offsetStr',
|
|
'textStr', 'print_file_and_lineStr'),
|
|
'print_file_and_line' : None, 'msg' : 'msgStr',
|
|
'filename' : None, 'lineno' : None, 'offset' : None}),
|
|
(UnicodeError, (), {'message' : '', 'args' : (),}),
|
|
(UnicodeEncodeError, ('ascii', u'a', 0, 1, 'ordinal not in range'),
|
|
{'message' : '', 'args' : ('ascii', u'a', 0, 1,
|
|
'ordinal not in range'),
|
|
'encoding' : 'ascii', 'object' : u'a',
|
|
'start' : 0, 'reason' : 'ordinal not in range'}),
|
|
(UnicodeDecodeError, ('ascii', '\xff', 0, 1, 'ordinal not in range'),
|
|
{'message' : '', 'args' : ('ascii', '\xff', 0, 1,
|
|
'ordinal not in range'),
|
|
'encoding' : 'ascii', 'object' : '\xff',
|
|
'start' : 0, 'reason' : 'ordinal not in range'}),
|
|
(UnicodeTranslateError, (u"\u3042", 0, 1, "ouch"),
|
|
{'message' : '', 'args' : (u'\u3042', 0, 1, 'ouch'),
|
|
'object' : u'\u3042', 'reason' : 'ouch',
|
|
'start' : 0, 'end' : 1}),
|
|
]
|
|
try:
|
|
exceptionList.append(
|
|
(WindowsError, (1, 'strErrorStr', 'filenameStr'),
|
|
{'message' : '', 'args' : (1, 'strErrorStr'),
|
|
'strerror' : 'strErrorStr', 'winerror' : 1,
|
|
'errno' : 22, 'filename' : 'filenameStr'})
|
|
)
|
|
except NameError:
|
|
pass
|
|
|
|
with warnings.catch_warnings():
|
|
ignore_message_warning()
|
|
for exc, args, expected in exceptionList:
|
|
try:
|
|
raise exc(*args)
|
|
except BaseException, e:
|
|
if type(e) is not exc:
|
|
raise
|
|
# Verify module name
|
|
self.assertEquals(type(e).__module__, 'exceptions')
|
|
# Verify no ref leaks in Exc_str()
|
|
s = str(e)
|
|
for checkArgName in expected:
|
|
self.assertEquals(repr(getattr(e, checkArgName)),
|
|
repr(expected[checkArgName]),
|
|
'exception "%s", attribute "%s"' %
|
|
(repr(e), checkArgName))
|
|
|
|
# test for pickling support
|
|
for p in pickle, cPickle:
|
|
for protocol in range(p.HIGHEST_PROTOCOL + 1):
|
|
new = p.loads(p.dumps(e, protocol))
|
|
for checkArgName in expected:
|
|
got = repr(getattr(new, checkArgName))
|
|
want = repr(expected[checkArgName])
|
|
self.assertEquals(got, want,
|
|
'pickled "%r", attribute "%s"' %
|
|
(e, checkArgName))
|
|
|
|
|
|
def testDeprecatedMessageAttribute(self):
|
|
# Accessing BaseException.message and relying on its value set by
|
|
# BaseException.__init__ triggers a deprecation warning.
|
|
exc = BaseException("foo")
|
|
with warnings.catch_warnings(record=True) as w:
|
|
self.assertEquals(exc.message, "foo")
|
|
self.assertEquals(len(w), 1)
|
|
self.assertEquals(w[0].category, DeprecationWarning)
|
|
self.assertEquals(
|
|
str(w[0].message),
|
|
"BaseException.message has been deprecated as of Python 2.6")
|
|
|
|
|
|
def testRegularMessageAttribute(self):
|
|
# Accessing BaseException.message after explicitly setting a value
|
|
# for it does not trigger a deprecation warning.
|
|
exc = BaseException("foo")
|
|
exc.message = "bar"
|
|
with warnings.catch_warnings(record=True) as w:
|
|
self.assertEquals(exc.message, "bar")
|
|
self.assertEquals(len(w), 0)
|
|
# Deleting the message is supported, too.
|
|
del exc.message
|
|
self.assertRaises(AttributeError, getattr, exc, "message")
|
|
|
|
def testPickleMessageAttribute(self):
|
|
# Pickling with message attribute must work, as well.
|
|
e = Exception("foo")
|
|
f = Exception("foo")
|
|
f.message = "bar"
|
|
for p in pickle, cPickle:
|
|
ep = p.loads(p.dumps(e))
|
|
with warnings.catch_warnings():
|
|
ignore_message_warning()
|
|
self.assertEqual(ep.message, "foo")
|
|
fp = p.loads(p.dumps(f))
|
|
self.assertEqual(fp.message, "bar")
|
|
|
|
def testSlicing(self):
|
|
# Test that you can slice an exception directly instead of requiring
|
|
# going through the 'args' attribute.
|
|
args = (1, 2, 3)
|
|
exc = BaseException(*args)
|
|
self.failUnlessEqual(exc[:], args)
|
|
|
|
def testKeywordArgs(self):
|
|
# test that builtin exception don't take keyword args,
|
|
# but user-defined subclasses can if they want
|
|
self.assertRaises(TypeError, BaseException, a=1)
|
|
|
|
class DerivedException(BaseException):
|
|
def __init__(self, fancy_arg):
|
|
BaseException.__init__(self)
|
|
self.fancy_arg = fancy_arg
|
|
|
|
x = DerivedException(fancy_arg=42)
|
|
self.assertEquals(x.fancy_arg, 42)
|
|
|
|
def testInfiniteRecursion(self):
|
|
def f():
|
|
return f()
|
|
self.assertRaises(RuntimeError, f)
|
|
|
|
def g():
|
|
try:
|
|
return g()
|
|
except ValueError:
|
|
return -1
|
|
|
|
# The test prints an unraisable recursion error when
|
|
# doing "except ValueError", this is because subclass
|
|
# checking has recursion checking too.
|
|
with captured_output("stderr"):
|
|
try:
|
|
g()
|
|
except RuntimeError:
|
|
pass
|
|
except:
|
|
self.fail("Should have raised KeyError")
|
|
else:
|
|
self.fail("Should have raised KeyError")
|
|
|
|
def testUnicodeStrUsage(self):
|
|
# Make sure both instances and classes have a str and unicode
|
|
# representation.
|
|
self.failUnless(str(Exception))
|
|
self.failUnless(unicode(Exception))
|
|
self.failUnless(str(Exception('a')))
|
|
self.failUnless(unicode(Exception(u'a')))
|
|
self.failUnless(unicode(Exception(u'\xe1')))
|
|
|
|
def testUnicodeChangeAttributes(self):
|
|
# See issue 7309. This was a crasher.
|
|
|
|
u = UnicodeEncodeError('baz', u'xxxxx', 1, 5, 'foo')
|
|
self.assertEqual(str(u), "'baz' codec can't encode characters in position 1-4: foo")
|
|
u.end = 2
|
|
self.assertEqual(str(u), "'baz' codec can't encode character u'\\x78' in position 1: foo")
|
|
u.end = 5
|
|
u.reason = 0x345345345345345345
|
|
self.assertEqual(str(u), "'baz' codec can't encode characters in position 1-4: 965230951443685724997")
|
|
u.encoding = 4000
|
|
self.assertEqual(str(u), "'4000' codec can't encode characters in position 1-4: 965230951443685724997")
|
|
u.start = 1000
|
|
self.assertEqual(str(u), "'4000' codec can't encode characters in position 1000-4: 965230951443685724997")
|
|
|
|
u = UnicodeDecodeError('baz', 'xxxxx', 1, 5, 'foo')
|
|
self.assertEqual(str(u), "'baz' codec can't decode bytes in position 1-4: foo")
|
|
u.end = 2
|
|
self.assertEqual(str(u), "'baz' codec can't decode byte 0x78 in position 1: foo")
|
|
u.end = 5
|
|
u.reason = 0x345345345345345345
|
|
self.assertEqual(str(u), "'baz' codec can't decode bytes in position 1-4: 965230951443685724997")
|
|
u.encoding = 4000
|
|
self.assertEqual(str(u), "'4000' codec can't decode bytes in position 1-4: 965230951443685724997")
|
|
u.start = 1000
|
|
self.assertEqual(str(u), "'4000' codec can't decode bytes in position 1000-4: 965230951443685724997")
|
|
|
|
u = UnicodeTranslateError(u'xxxx', 1, 5, 'foo')
|
|
self.assertEqual(str(u), "can't translate characters in position 1-4: foo")
|
|
u.end = 2
|
|
self.assertEqual(str(u), "can't translate character u'\\x78' in position 1: foo")
|
|
u.end = 5
|
|
u.reason = 0x345345345345345345
|
|
self.assertEqual(str(u), "can't translate characters in position 1-4: 965230951443685724997")
|
|
u.start = 1000
|
|
self.assertEqual(str(u), "can't translate characters in position 1000-4: 965230951443685724997")
|
|
|
|
def test_badisinstance(self):
|
|
# Bug #2542: if issubclass(e, MyException) raises an exception,
|
|
# it should be ignored
|
|
class Meta(type):
|
|
def __subclasscheck__(cls, subclass):
|
|
raise ValueError()
|
|
|
|
class MyException(Exception):
|
|
__metaclass__ = Meta
|
|
pass
|
|
|
|
with captured_output("stderr") as stderr:
|
|
try:
|
|
raise KeyError()
|
|
except MyException, e:
|
|
self.fail("exception should not be a MyException")
|
|
except KeyError:
|
|
pass
|
|
except:
|
|
self.fail("Should have raised KeyError")
|
|
else:
|
|
self.fail("Should have raised KeyError")
|
|
|
|
with captured_output("stderr") as stderr:
|
|
def g():
|
|
try:
|
|
return g()
|
|
except RuntimeError:
|
|
return sys.exc_info()
|
|
e, v, tb = g()
|
|
self.assert_(e is RuntimeError, e)
|
|
self.assert_("maximum recursion depth exceeded" in str(v), v)
|
|
|
|
|
|
|
|
# Helper class used by TestSameStrAndUnicodeMsg
|
|
class ExcWithOverriddenStr(Exception):
|
|
"""Subclass of Exception that accepts a keyword 'msg' arg that is
|
|
returned by __str__. 'msg' won't be included in self.args"""
|
|
def __init__(self, *args, **kwargs):
|
|
self.msg = kwargs.pop('msg') # msg should always be present
|
|
super(ExcWithOverriddenStr, self).__init__(*args, **kwargs)
|
|
def __str__(self):
|
|
return self.msg
|
|
|
|
|
|
class TestSameStrAndUnicodeMsg(unittest.TestCase):
|
|
"""unicode(err) should return the same message of str(err). See #6108"""
|
|
|
|
def check_same_msg(self, exc, msg):
|
|
"""Helper function that checks if str(exc) == unicode(exc) == msg"""
|
|
self.assertEqual(str(exc), msg)
|
|
self.assertEqual(str(exc), unicode(exc))
|
|
|
|
def test_builtin_exceptions(self):
|
|
"""Check same msg for built-in exceptions"""
|
|
# These exceptions implement a __str__ method that uses the args
|
|
# to create a better error message. unicode(e) should return the same
|
|
# message.
|
|
exceptions = [
|
|
SyntaxError('invalid syntax', ('<string>', 1, 3, '2+*3')),
|
|
IOError(2, 'No such file or directory'),
|
|
KeyError('both should have the same quotes'),
|
|
UnicodeDecodeError('ascii', '\xc3\xa0', 0, 1,
|
|
'ordinal not in range(128)'),
|
|
UnicodeEncodeError('ascii', u'\u1234', 0, 1,
|
|
'ordinal not in range(128)')
|
|
]
|
|
for exception in exceptions:
|
|
self.assertEqual(str(exception), unicode(exception))
|
|
|
|
def test_0_args(self):
|
|
"""Check same msg for Exception with 0 args"""
|
|
# str() and unicode() on an Exception with no args should return an
|
|
# empty string
|
|
self.check_same_msg(Exception(), '')
|
|
|
|
def test_0_args_with_overridden___str__(self):
|
|
"""Check same msg for exceptions with 0 args and overridden __str__"""
|
|
# str() and unicode() on an exception with overridden __str__ that
|
|
# returns an ascii-only string should return the same string
|
|
for msg in ('foo', u'foo'):
|
|
self.check_same_msg(ExcWithOverriddenStr(msg=msg), msg)
|
|
|
|
# if __str__ returns a non-ascii unicode string str() should fail
|
|
# but unicode() should return the unicode string
|
|
e = ExcWithOverriddenStr(msg=u'f\xf6\xf6') # no args
|
|
self.assertRaises(UnicodeEncodeError, str, e)
|
|
self.assertEqual(unicode(e), u'f\xf6\xf6')
|
|
|
|
def test_1_arg(self):
|
|
"""Check same msg for Exceptions with 1 arg"""
|
|
for arg in ('foo', u'foo'):
|
|
self.check_same_msg(Exception(arg), arg)
|
|
|
|
# if __str__ is not overridden and self.args[0] is a non-ascii unicode
|
|
# string, str() should try to return str(self.args[0]) and fail.
|
|
# unicode() should return unicode(self.args[0]) and succeed.
|
|
e = Exception(u'f\xf6\xf6')
|
|
self.assertRaises(UnicodeEncodeError, str, e)
|
|
self.assertEqual(unicode(e), u'f\xf6\xf6')
|
|
|
|
def test_1_arg_with_overridden___str__(self):
|
|
"""Check same msg for exceptions with overridden __str__ and 1 arg"""
|
|
# when __str__ is overridden and __unicode__ is not implemented
|
|
# unicode(e) returns the same as unicode(e.__str__()).
|
|
for msg in ('foo', u'foo'):
|
|
self.check_same_msg(ExcWithOverriddenStr('arg', msg=msg), msg)
|
|
|
|
# if __str__ returns a non-ascii unicode string, str() should fail
|
|
# but unicode() should succeed.
|
|
e = ExcWithOverriddenStr('arg', msg=u'f\xf6\xf6') # 1 arg
|
|
self.assertRaises(UnicodeEncodeError, str, e)
|
|
self.assertEqual(unicode(e), u'f\xf6\xf6')
|
|
|
|
def test_many_args(self):
|
|
"""Check same msg for Exceptions with many args"""
|
|
argslist = [
|
|
(3, 'foo'),
|
|
(1, u'foo', 'bar'),
|
|
(4, u'f\xf6\xf6', u'bar', 'baz')
|
|
]
|
|
# both str() and unicode() should return a repr() of the args
|
|
for args in argslist:
|
|
self.check_same_msg(Exception(*args), repr(args))
|
|
|
|
def test_many_args_with_overridden___str__(self):
|
|
"""Check same msg for exceptions with overridden __str__ and many args"""
|
|
# if __str__ returns an ascii string / ascii unicode string
|
|
# both str() and unicode() should succeed
|
|
for msg in ('foo', u'foo'):
|
|
e = ExcWithOverriddenStr('arg1', u'arg2', u'f\xf6\xf6', msg=msg)
|
|
self.check_same_msg(e, msg)
|
|
|
|
# if __str__ returns a non-ascii unicode string, str() should fail
|
|
# but unicode() should succeed
|
|
e = ExcWithOverriddenStr('arg1', u'f\xf6\xf6', u'arg3', # 3 args
|
|
msg=u'f\xf6\xf6')
|
|
self.assertRaises(UnicodeEncodeError, str, e)
|
|
self.assertEqual(unicode(e), u'f\xf6\xf6')
|
|
|
|
|
|
def test_main():
|
|
run_unittest(ExceptionTests, TestSameStrAndUnicodeMsg)
|
|
|
|
if __name__ == '__main__':
|
|
test_main()
|