Separate the parts of test_safearray that depend on pythoncom int…

…o a different module. (#684)

* Update `test_safearray_pywin32`.

* Add `unittest.SkipTest` to `test_safearray_pywin32`.

* Revert temporary renaming.

* Remove the `pythoncom` section from `test_safearray`.

comtypes/test/test_safearray_.py → comtypes/test/test_safearray.py

@@ -1,8 +1,7 @@
 import array
 import datetime
 import unittest
-from ctypes import POINTER, PyDLL, byref, c_long, py_object
-from ctypes.wintypes import BOOL
+from ctypes import POINTER, c_long
 from decimal import Decimal
 
 from comtypes import BSTR, IUnknown
@@ -19,7 +18,6 @@
     _midlSAFEARRAY,
 )
 from comtypes.safearray import safearray_as_ndarray
-from comtypes.test import is_resource_enabled
 from comtypes.test.find_memleak import find_memleak
 
 
@@ -247,69 +245,5 @@ def doit():
         self.assertFalse(bytes, "Leaks %d bytes" % bytes)
 
 
-if is_resource_enabled("pythoncom"):
-    try:
-        import pythoncom
-    except ImportError:
-        # pywin32 not installed...
-        pass
-    else:
-        # pywin32 is available.  The pythoncom dll contains two handy
-        # exported functions that allow to create a VARIANT from a Python
-        # object, also a function that unpacks a VARIANT into a Python
-        # object.
-        #
-        # This allows us to create und unpack SAFEARRAY instances
-        # contained in VARIANTs, and check for consistency with the
-        # comtypes code.
-
-        _dll = PyDLL(pythoncom.__file__)
-
-        # c:/sf/pywin32/com/win32com/src/oleargs.cpp 213
-        # PyObject *PyCom_PyObjectFromVariant(const VARIANT *var)
-        unpack = _dll.PyCom_PyObjectFromVariant
-        unpack.restype = py_object
-        unpack.argtypes = (POINTER(VARIANT),)
-
-        # c:/sf/pywin32/com/win32com/src/oleargs.cpp 54
-        # BOOL PyCom_VariantFromPyObject(PyObject *obj, VARIANT *var)
-        _pack = _dll.PyCom_VariantFromPyObject
-        _pack.argtypes = py_object, POINTER(VARIANT)
-        _pack.restype = BOOL
-
-        def pack(obj):
-            var = VARIANT()
-            _pack(obj, byref(var))
-            return var
-
-        class PyWinTest(unittest.TestCase):
-            def test_1dim(self):
-                data = (1, 2, 3)
-                variant = pack(data)
-                self.assertEqual(variant.value, data)
-                self.assertEqual(unpack(variant), data)
-
-            def test_2dim(self):
-                data = ((1, 2, 3), (4, 5, 6), (7, 8, 9))
-                variant = pack(data)
-                self.assertEqual(variant.value, data)
-                self.assertEqual(unpack(variant), data)
-
-            def test_3dim(self):
-                data = (((1, 2), (3, 4), (5, 6)), ((7, 8), (9, 10), (11, 12)))
-                variant = pack(data)
-                self.assertEqual(variant.value, data)
-                self.assertEqual(unpack(variant), data)
-
-            def test_4dim(self):
-                data = (
-                    (((1, 2), (3, 4)), ((5, 6), (7, 8))),
-                    (((9, 10), (11, 12)), ((13, 14), (15, 16))),
-                )
-                variant = pack(data)
-                self.assertEqual(variant.value, data)
-                self.assertEqual(unpack(variant), data)
-
-
 if __name__ == "__main__":
     unittest.main()