Update of /cvsroot/pywin32/pywin32/win32/test
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv24678
Added Files:
test_exceptions.py
Log Message:
new test for basic exception semantics; getting ready to add attributes
to our exceptions in anticipation of py3k.
--- NEW FILE: test_exceptions.py ---
"""Test pywin32's error semantics"""
import unittest
import win32api, win32file, pywintypes
import pythoncom
import winerror
class TestBase(unittest.TestCase):
def _testExceptionIndex(self, exc, index, expected):
# check the exception itself can be indexed.
self.failUnlessEqual(exc[index], expected)
# and that exception.args can is the same.
self.failUnlessEqual(exc.args[index], expected)
class TestAPISimple(TestBase):
def _getInvalidHandleException(self):
try:
win32api.CloseHandle(1)
except win32api.error, exc:
return exc
self.fail("Didn't get invalid-handle exception.")
def testSimple(self):
self.assertRaises(pywintypes.error, win32api.CloseHandle, 1)
def testErrnoIndex(self):
exc = self._getInvalidHandleException()
self._testExceptionIndex(exc, 0, winerror.ERROR_INVALID_HANDLE)
def testFuncIndex(self):
exc = self._getInvalidHandleException()
self._testExceptionIndex(exc, 1, "CloseHandle")
def testMessageIndex(self):
exc = self._getInvalidHandleException()
expected = win32api.FormatMessage(winerror.ERROR_INVALID_HANDLE).rstrip()
self._testExceptionIndex(exc, 2, expected)
def testUnpack(self):
try:
win32api.CloseHandle(1)
self.fail("expected exception!")
except win32api.error, (werror, func, msg):
self.failUnlessEqual(werror, winerror.ERROR_INVALID_HANDLE)
self.failUnlessEqual(func, "CloseHandle")
expected_msg = win32api.FormatMessage(winerror.ERROR_INVALID_HANDLE).rstrip()
self.failUnlessEqual(msg, expected_msg)
class TestCOMSimple(TestBase):
def _getException(self):
try:
pythoncom.StgOpenStorage("foo", None, 0)
except pythoncom.com_error, exc:
return exc
self.fail("Didn't get storage exception.")
def testIs(self):
self.failUnless(pythoncom.com_error is pywintypes.com_error)
def testSimple(self):
self.assertRaises(pythoncom.com_error, pythoncom.StgOpenStorage, "foo", None, 0)
def testErrnoIndex(self):
exc = self._getException()
self._testExceptionIndex(exc, 0, winerror.STG_E_INVALIDFLAG)
def testMessageIndex(self):
exc = self._getException()
expected = win32api.FormatMessage(winerror.STG_E_INVALIDFLAG).rstrip()
self._testExceptionIndex(exc, 1, expected)
if __name__ == '__main__':
unittest.main()
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