8000 gh-127183: Add `_ctypes.CopyComPointer` tests by junkmd · Pull Request #127184 · python/cpython · GitHub
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gh-127183: Add _ctypes.CopyComPointer tests #127184

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Merged
merged 5 commits into from
Nov 25, 2024
Merged

gh-127183: Add _ctypes.CopyComPointer tests #127184

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f3e7afb
Make `create_shelllink_persist` top level function.
junkmd Nov 23, 2024
c28e7c4
Add `CopyComPointerTests`.
junkmd Nov 23, 2024
79f7055
Add more tests.
junkmd Nov 23, 2024
638487b
Update tests.
junkmd Nov 24, 2024
a9d2805
Add assertions for `Release`'s return value.
junkmd Nov 25, 2024
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Make create_shelllink_persist top level function.
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@junkmd
junkmd committed Nov 24, 2024
commit f3e7afbd046dae0e0b0731b62b61fd0f557365fc
32 changes: 16 additions & 16 deletions Lib/test/test_ctypes/test_win32_com_foreign_func.py
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Original file line number Diff line number Diff line change
Expand Up @@ -78,6 +78,19 @@ def is_equal_guid(guid1, guid2):
)


def create_shelllink_persist(typ):
ppst = typ()
# https://learn.microsoft.com/en-us/windows/win32/api/combaseapi/nf-combaseapi-cocreateinstance
ole32.CoCreateInstance(
byref(CLSID_ShellLink),
None,
CLSCTX_SERVER,
byref(IID_IPersist),
byref(ppst),
)
return ppst


class ForeignFunctionsThatWillCallComMethodsTests(unittest.TestCase):
def setUp(self):
# https://learn.microsoft.com/en-us/windows/win32/api/combaseapi/nf-combaseapi-coinitializeex
Expand All @@ -88,19 +101,6 @@ def tearDown(self):
ole32.CoUninitialize()
gc.collect()

@staticmethod
def create_shelllink_persist(typ):
ppst = typ()
# https://learn.microsoft.com/en-us/windows/win32/api/combaseapi/nf-combaseapi-cocreateinstance
ole32.CoCreateInstance(
byref(CLSID_ShellLink),
None,
CLSCTX_SERVER,
byref(IID_IPersist),
byref(ppst),
)
return ppst

def test_without_paramflags_and_iid(self):
class IUnknown(c_void_p):
QueryInterface = proto_query_interface()
Expand All @@ -110,7 +110,7 @@ class IUnknown(c_void_p):
class IPersist(IUnknown):
GetClassID = proto_get_class_id()

ppst = self.create_shelllink_persist(IPersist)
ppst = create_shelllink_persist(IPersist)

clsid = GUID()
hr_getclsid = ppst.GetClassID(byref(clsid))
Expand Down Expand Up @@ -142,7 +142,7 @@ class IUnknown(c_void_p):
class IPersist(IUnknown):
GetClassID = proto_get_class_id(((OUT, "pClassID"),))

ppst = self.create_shelllink_persist(IPersist)
ppst = create_shelllink_persist(IPersist)

clsid = ppst.GetClassID()
self.assertEqual(TRUE, is_equal_guid(CLSID_ShellLink, clsid))
Expand All @@ -167,7 +167,7 @@ class IUnknown(c_void_p):
class IPersist(IUnknown):
GetClassID = proto_get_class_id(((OUT, "pClassID"),), IID_IPersist)

ppst = self.create_shelllink_persist(IPersist)
ppst = create_shelllink_persist(IPersist)

clsid = ppst.GetClassID()
self.assertEqual(TRUE, is_equal_guid(CLSID_ShellLink, clsid))
Expand Down
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