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c:\python24\lib\site-packages\win32 \ com \ test \ policySemantics.py



0001 import win32com.server.util
0002 import win32com.client
0003 import pythoncom
0004 import winerror
0005 import win32com.test.util
0006 
0007 import unittest
0008 
0009 class Error(Exception):
0010     pass
0011 
0012 # An object representing a list of numbers
0013 class PythonSemanticClass:
0014     _public_methods_ = ["In"]  # DISPIDs are allocated.
0015     _dispid_to_func_ = { 10: 'Add', 11:'Remove'} # DISPIDs specified by the object.
0016     def __init__(self):
0017         self.list = []
0018     def _NewEnum(self):
0019         return win32com.server.util.NewEnum(self.list)
0020     def _value_(self):
0021         # should return an array.
0022         return self.list
0023     def _Evaluate(self):
0024         # return the sum
0025         return reduce(lambda a,b: a+b, self.list, 0)
0026     def In(self, value):
0027         return value in self.list
0028     def Add(self, value):
0029         self.list.append(value)
0030     def Remove(self, value):
0031         self.list.remove(value)
0032 
0033 def DispExTest(ob):
0034     if not __debug__: print "WARNING: Tests dressed up as assertions are being skipped!"
0035     assert ob.GetDispID("Add", 0)==10, "Policy did not honour the dispid"
0036 # Not impl
0037 #       assert ob.GetMemberName(10, 0)=="add", "Policy did not give me the correct function for the dispid"
0038     assert ob.GetDispID("Remove", 0)==11, "Policy did not honour the dispid"
0039     assert ob.GetDispID("In", 0)==1000, "Allocated dispid unexpected value"
0040     assert ob.GetDispID("_NewEnum", 0)==pythoncom.DISPID_NEWENUM, "_NewEnum() got unexpected DISPID"
0041     dispids = []
0042     dispid = -1
0043     while 1:
0044         try:
0045             dispid = ob.GetNextDispID(0, dispid)
0046             dispids.append(dispid)
0047         except pythoncom.com_error, (hr, desc, exc, arg):
0048             assert hr==winerror.S_FALSE, "Bad result at end of enum"
0049             break
0050     dispids.sort()
0051     if dispids <> [pythoncom.DISPID_EVALUATE, pythoncom.DISPID_NEWENUM, 10, 11, 1000]:
0052         raise Error, "Got back the wrong dispids: %s" % dispids
0053 
0054 def SemanticTest(ob):
0055     # First just check our object "generally" as expected.
0056     ob.Add(1)
0057     ob.Add(2)
0058     ob.Add(3)
0059     # invoke _value_
0060     if ob() != (1,2,3):
0061         raise Error, "Bad result - got %s" % (`ob()`)
0062 
0063     dispob = ob._oleobj_
0064 
0065     rc = dispob.Invoke(pythoncom.DISPID_EVALUATE, 0, pythoncom.DISPATCH_METHOD|pythoncom.DISPATCH_PROPERTYGET, 1)
0066     if rc != 6:
0067         raise Error, "Evaluate returned", rc
0068 
0069 
0070 class Tester(win32com.test.util.TestCase):
0071     def setUp(self):
0072         debug=0
0073         import win32com.server.dispatcher
0074         if debug:
0075             dispatcher=win32com.server.dispatcher.DefaultDebugDispatcher
0076         else:
0077             dispatcher=None
0078         disp = win32com.server.util.wrap(PythonSemanticClass(), useDispatcher=dispatcher)
0079         self.ob = win32com.client.Dispatch(disp)
0080     def tearDown(self):
0081         self.ob = None
0082     def testSemantics(self):
0083         SemanticTest(self.ob)
0084     def testIDispatchEx(self):
0085         dispexob = self.ob._oleobj_.QueryInterface(pythoncom.IID_IDispatchEx)
0086         DispExTest(dispexob)
0087 
0088 if __name__=='__main__':
0089     unittest.main()
0090 

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