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133 lines
4.5 KiB
133 lines
4.5 KiB
from __future__ import generators
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# Some raw iter tests. Some "high-level" iterator tests can be found in
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# testvb.py and testOutlook.py
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import sys
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import unittest
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from win32com.client.gencache import EnsureDispatch
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from win32com.client import Dispatch
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import win32com.server.util
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import win32com.test.util
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import pythoncom
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def yield_iter(iter):
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while 1:
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yield next(iter)
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class _BaseTestCase(win32com.test.util.TestCase):
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def test_enumvariant_vb(self):
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ob, iter = self.iter_factory()
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got=[]
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for v in iter:
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got.append(v)
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self.assertEquals(got, self.expected_data)
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def test_yield(self):
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ob, i = self.iter_factory()
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got=[]
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for v in yield_iter(iter(i)):
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got.append(v)
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self.assertEquals(got, self.expected_data)
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def _do_test_nonenum(self, object):
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try:
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for i in object:
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pass
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self.fail("Could iterate over a non-iterable object")
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except TypeError:
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pass # this is expected.
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self.assertRaises(TypeError, iter, object)
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self.assertRaises(AttributeError, getattr, object, "next")
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def test_nonenum_wrapper(self):
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# Check our raw PyIDispatch
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ob = self.object._oleobj_
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try:
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for i in ob:
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pass
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self.fail("Could iterate over a non-iterable object")
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except TypeError:
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pass # this is expected.
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self.assertRaises(TypeError, iter, ob)
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self.assertRaises(AttributeError, getattr, ob, "next")
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# And our Dispatch wrapper
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ob = self.object
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try:
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for i in ob:
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pass
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self.fail("Could iterate over a non-iterable object")
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except TypeError:
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pass # this is expected.
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# Note that as our object may be dynamic, we *do* have a __getitem__
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# method, meaning we *can* call iter() on the object. In this case
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# actual iteration is what fails.
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# So either the 'iter(); will raise a type error, or an attempt to
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# fetch it
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try:
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next(iter(ob))
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self.fail("Expected a TypeError fetching this iterator")
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except TypeError:
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pass
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# And it should never have a 'next' method
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self.assertRaises(AttributeError, getattr, ob, "next")
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class VBTestCase(_BaseTestCase):
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def setUp(self):
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def factory():
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# Our VB test harness exposes a property with IEnumVariant.
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ob = self.object.EnumerableCollectionProperty
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for i in self.expected_data:
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ob.Add(i)
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# Get the raw IEnumVARIANT.
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invkind = pythoncom.DISPATCH_METHOD | pythoncom.DISPATCH_PROPERTYGET
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iter = ob._oleobj_.InvokeTypes(pythoncom.DISPID_NEWENUM,0,invkind,(13, 10),())
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return ob, iter.QueryInterface(pythoncom.IID_IEnumVARIANT)
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# We *need* generated dispatch semantics, so dynamic __getitem__ etc
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# don't get in the way of our tests.
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self.object = EnsureDispatch("PyCOMVBTest.Tester")
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self.expected_data = [1, "Two", "3"]
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self.iter_factory = factory
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def tearDown(self):
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self.object = None
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# Test our client semantics, but using a wrapped Python list object.
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# This has the effect of re-using our client specific tests, but in this
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# case is exercising the server side.
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class SomeObject:
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_public_methods_ = ["GetCollection"]
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def __init__(self, data):
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self.data = data
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def GetCollection(self):
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return win32com.server.util.NewCollection(self.data)
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class WrappedPythonCOMServerTestCase(_BaseTestCase):
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def setUp(self):
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def factory():
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ob = self.object.GetCollection()
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flags = pythoncom.DISPATCH_METHOD | pythoncom.DISPATCH_PROPERTYGET
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enum = ob._oleobj_.Invoke(pythoncom.DISPID_NEWENUM, 0, flags, 1)
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return ob, enum.QueryInterface(pythoncom.IID_IEnumVARIANT)
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self.expected_data = [1,'Two',3]
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sv = win32com.server.util.wrap(SomeObject(self.expected_data))
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self.object = Dispatch(sv)
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self.iter_factory = factory
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def tearDown(self):
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self.object = None
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def suite():
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# We dont want our base class run
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suite = unittest.TestSuite()
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for item in globals().values():
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if type(item)==type(unittest.TestCase) and \
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issubclass(item, unittest.TestCase) and \
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item != _BaseTestCase:
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suite.addTest(unittest.makeSuite(item))
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return suite
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if __name__=='__main__':
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unittest.main(argv=sys.argv + ['suite'])
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