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

101 строка
3.7 KiB
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)
#
import xpcom
from xpcom import _xpcom, components, COMException, ServerException, nsError
from StringIO import StringIO
test_data = "abcdefeghijklmnopqrstuvwxyz"
class koTestSimpleStreamBase:
_com_interfaces_ = [components.interfaces.nsIInputStream]
# We avoid registering this object - see comments in get_test_inout_? below.
def __init__(self):
self.data=StringIO(test_data)
def close( self ):
pass
def available( self ):
return self.data.len-self.data.pos
def readStr( self, amount):
return self.data.read(amount)
read=readStr
def get_observer( self ):
raise ServerException(nsError.NS_ERROR_NOT_IMPLEMENTED)
def set_observer( self, param0 ):
raise ServerException(nsError.NS_ERROR_NOT_IMPLEMENTED)
# This class has "nonBlocking" as an attribute.
class koTestSimpleStream1(koTestSimpleStreamBase):
nonBlocking=0
# This class has "nonBlocking" as getter/setters.
class koTestSimpleStream2(koTestSimpleStreamBase):
def __init__(self):
koTestSimpleStreamBase.__init__(self)
self.isNonBlocking = 0
def get_nonBlocking(self):
return self.isNonBlocking
def get_test_input_1():
# We use a couple of internal hacks here that mean we can avoid having the object
# registered. This code means that we are still working over the xpcom boundaries, tho
# (and the point of this test is not the registration, etc).
import xpcom.server, xpcom.client
ob = xpcom.server.WrapObject( koTestSimpleStream1(), _xpcom.IID_nsISupports)
ob = xpcom.client.Component(ob, components.interfaces.nsIInputStream)
return ob
def get_test_input_2():
# We use a couple of internal hacks here that mean we can avoid having the object
# registered. This code means that we are still working over the xpcom boundaries, tho
# (and the point of this test is not the registration, etc).
import xpcom.server, xpcom.client
ob = xpcom.server.WrapObject( koTestSimpleStream2(), _xpcom.IID_nsISupports)
ob = xpcom.client.Component(ob, components.interfaces.nsIInputStream)
return ob
def test_input(myStream):
if myStream.read(5) != test_data[:5]:
raise "Read the wrong data!"
if myStream.read(0) != '':
raise "Read the wrong emtpy data!"
if myStream.read(5) != test_data[5:10]:
raise "Read the wrong data after an empty read!"
if myStream.read(-1) != test_data[10:]:
raise "Couldnt read the rest of the data"
if myStream.nonBlocking:
raise "Expected default to be blocking"
try:
myStream.observer = None
raise "Shouldnt get here!"
except COMException, details:
if details.errno != nsError.NS_ERROR_NOT_IMPLEMENTED:
raise "Unexpected COM exception: %s (%r)" % (details, details)
if __name__=='__main__':
test_input( get_test_input_1() )
test_input( get_test_input_2() )
print "The stream tests worked!"