test_com_exceptions.py revision 16a8d09569a2ebd598cef72fa605be6fb4563607
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# The Original Code is the Python XPCOM language bindings.
#
# The Initial Developer of the Original Code is ActiveState Tool Corp.
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# Mark Hammond <MarkH@ActiveState.com> (original author)
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# Test pyxpcom exception.
from xpcom import components, nsError, ServerException, COMException, logger
from xpcom.server import WrapObject
from pyxpcom_test_tools import testmain
import unittest
import logging
class PythonFailingComponent:
# Re-use the test interface for this test.
_com_interfaces_ = components.interfaces.nsIPythonTestInterfaceExtra
def do_boolean(self, p1, p2):
# This should cause the caller to see a "silent" NS_ERROR_FAILURE exception.
raise ServerException()
def do_octet(self, p1, p2):
# This should cause the caller to see a "silent" NS_ERROR_NOT_IMPLEMENTED exception.
raise ServerException(nsError.NS_ERROR_NOT_IMPLEMENTED)
def do_short(self, p1, p2):
# This should cause the caller to see a "debug" NS_ERROR_FAILURE exception.
raise COMException(nsError.NS_ERROR_NOT_IMPLEMENTED)
def do_unsigned_short(self, p1, p2):
# This should cause the caller to see a "debug" NS_ERROR_FAILURE exception.
raise "Foo"
def do_long(self, p1, p2):
# This should cause the caller to see a "silent" NS_ERROR_FAILURE exception.
raise ServerException
def do_unsigned_long(self, p1, p2):
# This should cause the caller to see a "silent" NS_ERROR_NOT_IMPLEMENTED exception.
raise ServerException, nsError.NS_ERROR_NOT_IMPLEMENTED
def do_long_long(self, p1, p2):
# This should cause the caller to see a "silent" NS_ERROR_NOT_IMPLEMENTED exception.
raise ServerException, (nsError.NS_ERROR_NOT_IMPLEMENTED, "testing")
def do_unsigned_long_long(self, p1, p2):
# Report of a crash in this case - test it!
raise ServerException, "A bad exception param"
class TestHandler(logging.Handler):
def __init__(self, level=logging.ERROR): # only counting error records
logging.Handler.__init__(self, level)
self.records = []
def reset(self):
self.records = []
def handle(self, record):
self.records.append(record)
class ExceptionTests(unittest.TestCase):
def _testit(self, expected_errno, num_tracebacks, func, *args):
# Screw with the logger
old_handlers = logger.handlers
test_handler = TestHandler()
logger.handlers = [test_handler]
try:
try:
apply(func, args)
except COMException, what:
if what.errno != expected_errno:
raise
finally:
logger.handlers = old_handlers
self.failUnlessEqual(num_tracebacks, len(test_handler.records))
def testEmAll(self):
ob = WrapObject( PythonFailingComponent(), components.interfaces.nsIPythonTestInterfaceExtra)
self._testit(nsError.NS_ERROR_FAILURE, 0, ob.do_boolean, 0, 0)
self._testit(nsError.NS_ERROR_NOT_IMPLEMENTED, 0, ob.do_octet, 0, 0)
self._testit(nsError.NS_ERROR_FAILURE, 1, ob.do_short, 0, 0)
self._testit(nsError.NS_ERROR_FAILURE, 1, ob.do_unsigned_short, 0, 0)
self._testit(nsError.NS_ERROR_FAILURE, 0, ob.do_long, 0, 0)
self._testit(nsError.NS_ERROR_NOT_IMPLEMENTED, 0, ob.do_unsigned_long, 0, 0)
self._testit(nsError.NS_ERROR_NOT_IMPLEMENTED, 0, ob.do_long_long, 0, 0)
self._testit(nsError.NS_ERROR_FAILURE, 1, ob.do_unsigned_long_long, 0, 0)
if __name__=='__main__':
testmain()