pjs/extensions/python/xpcom/test/test_components.py

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Python

# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with the
# License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
# the specific language governing rights and limitations under the License.
#
# The Original Code is the Python XPCOM language bindings.
#
# The Initial Developer of the Original Code is ActiveState Tool Corp.
# Portions created by ActiveState Tool Corp. are Copyright (C) 2000, 2001
# ActiveState Tool Corp. All Rights Reserved.
#
# Contributor(s): Mark Hammond <MarkH@ActiveState.com> (original author)
#
"""Tests the "xpcom.components" object.
"""
import xpcom.components
if not __debug__:
raise RuntimeError, "This test uses assert, so must be run in debug mode"
def test_interfaces():
"Test the xpcom.components.interfaces object"
iid = xpcom.components.interfaces.nsISupports
assert iid == xpcom._xpcom.IID_nsISupports, "Got the wrong IID!"
iid = xpcom.components.interfaces['nsISupports']
assert iid == xpcom._xpcom.IID_nsISupports, "Got the wrong IID!"
# Test dictionary semantics
num_fetched = num_nsisupports = 0
for name, iid in xpcom.components.interfaces.items():
num_fetched = num_fetched + 1
if name == "nsISupports":
num_nsisupports = num_nsisupports + 1
assert iid == xpcom._xpcom.IID_nsISupports, "Got the wrong IID!"
assert xpcom.components.interfaces[name] == iid
# Check all the lengths match.
assert len(xpcom.components.interfaces.keys()) == len(xpcom.components.interfaces.values()) == \
len(xpcom.components.interfaces.items()) == len(xpcom.components.interfaces) == \
num_fetched, "The collection lengths were wrong"
if num_nsisupports != 1:
print "Didnt find exactly 1 nsiSupports!"
print "The interfaces object appeared to work!"
def test_classes():
# Need a well-known contractID here?
prog_id = "@mozilla.org/supports-array;1"
clsid = xpcom.components.ID("{bda17d50-0d6b-11d3-9331-00104ba0fd40}")
# Check we can create the instance (dont check we can do anything with it tho!)
klass = xpcom.components.classes[prog_id]
instance = klass.createInstance()
# Test dictionary semantics
num_fetched = num_mine = 0
for name, klass in xpcom.components.classes.items():
num_fetched = num_fetched + 1
if name == prog_id:
if klass.clsid != clsid:
print "Eeek - didn't get the correct IID - got", klass.clsid
num_mine = num_mine + 1
# xpcom appears to add charset info to the contractid!?
# assert xpcom.components.classes[name].contractid == prog_id, "Expected '%s', got '%s'" % (prog_id, xpcom.components.classes[name].contractid)
# Check all the lengths match.
if len(xpcom.components.classes.keys()) == len(xpcom.components.classes.values()) == \
len(xpcom.components.classes.items()) == len(xpcom.components.classes) == \
num_fetched:
pass
else:
raise RuntimeError, "The collection lengths were wrong"
if num_fetched <= 0:
raise RuntimeError, "Didnt get any classes!!!"
if num_mine != 1:
raise RuntimeError, "Didnt find exactly 1 of my contractid! (%d)" % (num_mine,)
print "The classes object appeared to work!"
def test_id():
id = xpcom.components.ID(str(xpcom._xpcom.IID_nsISupports))
assert id == xpcom._xpcom.IID_nsISupports
print "The ID function appeared to work!"
# regrtest doesnt like if __name__=='__main__' blocks - it fails when running as a test!
test_interfaces()
test_classes()
test_id()