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Remove Internet Explorer dependency from test_QueryService.py. #886

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Merged
junkmd merged 5 commits into from
Dec 19, 2025
Merged

Remove Internet Explorer dependency from test_QueryService.py. #886

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b82072f
test: Remove Internet Explorer dependency from `test_QueryService.py`.
junkmd Dec 19, 2025
44992d7
docs: Refine comment on obtaining `IHTMLEditServices` in test.
junkmd Dec 19, 2025
e69a396
test: Enhance `ISelectionServices` and `IMarkupServices` testing.
junkmd Dec 19, 2025
3daa9a5
test: Add verification for `ISelectionServices` state changes.
junkmd Dec 19, 2025
edc3702
test: Verify `IHTMLDocument3.getElementById` content.
junkmd Dec 19, 2025
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64 changes: 47 additions & 17 deletions comtypes/test/test_QueryService.py
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Original file line number Diff line number Diff line change
@@ -1,30 +1,60 @@
import contextlib
import time
import unittest
from ctypes import POINTER

import comtypes
from comtypes import GUID
from comtypes.client import CreateObject, GetModule

GetModule("oleacc.dll")
from comtypes.gen.Accessibility import IAccessible
with contextlib.redirect_stdout(None): # supress warnings
GetModule("mshtml.tlb")
import comtypes.gen.MSHTML as mshtml

SID_SHTMLEditServices = GUID("{3050F7F9-98B5-11CF-BB82-00AA00BDCE0B}")

@unittest.skip(
"This IE test is not working. We need to move it to using some other win32 API."
)
class TestCase(unittest.TestCase):
def setUp(self):
self.ie = CreateObject("InternetExplorer.application")

def tearDown(self):
self.ie.Quit()
del self.ie

class TestCase(unittest.TestCase):
def test(self):
ie = self.ie
ie.navigate2("about:blank", 0)
sp = ie.Document.Body.QueryInterface(comtypes.IServiceProvider)
pacc = sp.QueryService(IAccessible._iid_, IAccessible)
self.assertEqual(type(pacc), POINTER(IAccessible))
doc = CreateObject(mshtml.HTMLDocument, interface=mshtml.IHTMLDocument2)
doc.designMode = "On"
doc.write("<html><body><div id='test'>Hello</div></body></html>")
doc.close()
while doc.readyState != "complete":
time.sleep(0.01)
sp = doc.QueryInterface(comtypes.IServiceProvider)
# This behavior is described in Microsoft documentation:
# https://learn.microsoft.com/en-us/previous-versions/windows/internet-explorer/ie-developer/platform-apis/aa704048(v=vs.85)
es = sp.QueryService(SID_SHTMLEditServices, mshtml.IHTMLEditServices)
self.assertIsInstance(es, POINTER(mshtml.IHTMLEditServices))
mc = doc.QueryInterface(mshtml.IMarkupContainer)
ss = es.GetSelectionServices(mc)
# QueryInterface for `IHTMLDocument3` to access `getElementById`.
element = doc.QueryInterface(mshtml.IHTMLDocument3).getElementById("test")
self.assertEqual(element.innerHTML, "Hello")
# MarkupPointer related tests:
ms = doc.QueryInterface(mshtml.IMarkupServices)
p_start = ms.CreateMarkupPointer()
p_end = ms.CreateMarkupPointer()
# QueryInterface for `IHTMLBodyElement` to access `createTextRange`.
rng = doc.body.QueryInterface(mshtml.IHTMLBodyElement).createTextRange()
rng.moveToElementText(element)
ms.MovePointersToRange(rng, p_start, p_end)
self.assertTrue(p_start.IsLeftOf(p_end))
self.assertTrue(p_end.IsRightOf(p_start))
self.assertFalse(p_start.IsEqualTo(p_end))
seg = ss.AddSegment(p_start, p_end)
q_start = ms.CreateMarkupPointer()
q_end = ms.CreateMarkupPointer()
self.assertFalse(p_start.IsEqualTo(q_start))
self.assertFalse(p_end.IsEqualTo(q_end))
seg.GetPointers(q_start, q_end)
self.assertTrue(p_start.IsEqualTo(q_start))
self.assertTrue(p_end.IsEqualTo(q_end))
ss.RemoveSegment(seg)
# Verify state changes of `p_start` and `p_end`.
p_start.MoveToPointer(p_end)
self.assertTrue(p_start.IsEqualTo(p_end))


if __name__ == "__main__":
Expand Down