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-rw-r--r--Lib/test/test_exceptions.py48
1 files changed, 38 insertions, 10 deletions
diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
index 0a7ddd4..a7683ac 100644
--- a/Lib/test/test_exceptions.py
+++ b/Lib/test/test_exceptions.py
@@ -8,7 +8,7 @@ import weakref
import errno
from test.support import (TESTFN, unlink, run_unittest, captured_output,
- gc_collect, cpython_only)
+ gc_collect, cpython_only, no_tracing)
# XXX This is not really enough, each *operation* should be tested!
@@ -46,8 +46,8 @@ class ExceptionTests(unittest.TestCase):
fp.close()
unlink(TESTFN)
- self.raise_catch(IOError, "IOError")
- self.assertRaises(IOError, open, 'this file does not exist', 'r')
+ self.raise_catch(OSError, "OSError")
+ self.assertRaises(OSError, open, 'this file does not exist', 'r')
self.raise_catch(ImportError, "ImportError")
self.assertRaises(ImportError, __import__, "undefined_module")
@@ -192,11 +192,35 @@ class ExceptionTests(unittest.TestCase):
except NameError:
pass
else:
- self.assertEqual(str(WindowsError(1001)), "1001")
- self.assertEqual(str(WindowsError(1001, "message")),
- "[Error 1001] message")
- self.assertEqual(WindowsError(1001, "message").errno, 22)
- self.assertEqual(WindowsError(1001, "message").winerror, 1001)
+ self.assertIs(WindowsError, OSError)
+ self.assertEqual(str(OSError(1001)), "1001")
+ self.assertEqual(str(OSError(1001, "message")),
+ "[Errno 1001] message")
+ # POSIX errno (9 aka EBADF) is untranslated
+ w = OSError(9, 'foo', 'bar')
+ self.assertEqual(w.errno, 9)
+ self.assertEqual(w.winerror, None)
+ self.assertEqual(str(w), "[Errno 9] foo: 'bar'")
+ # ERROR_PATH_NOT_FOUND (win error 3) becomes ENOENT (2)
+ w = OSError(0, 'foo', 'bar', 3)
+ self.assertEqual(w.errno, 2)
+ self.assertEqual(w.winerror, 3)
+ self.assertEqual(w.strerror, 'foo')
+ self.assertEqual(w.filename, 'bar')
+ self.assertEqual(str(w), "[Error 3] foo: 'bar'")
+ # Unknown win error becomes EINVAL (22)
+ w = OSError(0, 'foo', None, 1001)
+ self.assertEqual(w.errno, 22)
+ self.assertEqual(w.winerror, 1001)
+ self.assertEqual(w.strerror, 'foo')
+ self.assertEqual(w.filename, None)
+ self.assertEqual(str(w), "[Error 1001] foo")
+ # Non-numeric "errno"
+ w = OSError('bar', 'foo')
+ self.assertEqual(w.errno, 'bar')
+ self.assertEqual(w.winerror, None)
+ self.assertEqual(w.strerror, 'foo')
+ self.assertEqual(w.filename, None)
def testAttributes(self):
# test that exception attributes are happy
@@ -274,11 +298,12 @@ class ExceptionTests(unittest.TestCase):
'start' : 0, 'end' : 1}),
]
try:
+ # More tests are in test_WindowsError
exceptionList.append(
(WindowsError, (1, 'strErrorStr', 'filenameStr'),
{'args' : (1, 'strErrorStr'),
- 'strerror' : 'strErrorStr', 'winerror' : 1,
- 'errno' : 22, 'filename' : 'filenameStr'})
+ 'strerror' : 'strErrorStr', 'winerror' : None,
+ 'errno' : 1, 'filename' : 'filenameStr'})
)
except NameError:
pass
@@ -389,6 +414,7 @@ class ExceptionTests(unittest.TestCase):
x = DerivedException(fancy_arg=42)
self.assertEqual(x.fancy_arg, 42)
+ @no_tracing
def testInfiniteRecursion(self):
def f():
return f()
@@ -721,6 +747,7 @@ class ExceptionTests(unittest.TestCase):
u.start = 1000
self.assertEqual(str(u), "can't translate characters in position 1000-4: 965230951443685724997")
+ @no_tracing
def test_badisinstance(self):
# Bug #2542: if issubclass(e, MyException) raises an exception,
# it should be ignored
@@ -831,6 +858,7 @@ class ExceptionTests(unittest.TestCase):
self.fail("MemoryError not raised")
self.assertEqual(wr(), None)
+ @no_tracing
def test_recursion_error_cleanup(self):
# Same test as above, but with "recursion exceeded" errors
class C: