Add test for conversion of BaseCEnum to c_int

Test for implicit conversion to c_int which is deprecated in Python3.11.
Use Pytest to run tests, and remove unused/old tests.

.github/workflows/build.yml

@@ -29,7 +29,7 @@ jobs:
 
     - name: Test
       run: |
-        python -m unittest discover -v -s tests
+        pytest tests -v
 
 
   publish:
@@ -41,12 +41,12 @@ jobs:
     if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
 
     - name: Set up Python 3.8
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: 3.8
 

tests/test_basecenum.py

@@ -1,9 +1,8 @@
+import ctypes
+from cwrap import BaseCEnum, Prototype, load
 import os
 import unittest
 
-from cwrap import BaseCEnum, Prototype, load
-
-
 class BaseCEnumTest(unittest.TestCase):
     def test_base_c_enum(self):
         class enum(BaseCEnum):
@@ -121,3 +120,12 @@ class Endumb(BaseCEnum):
 
     Endumb.addEnum("SOME_VALUE", -1)
     assert Endumb.SOME_VALUE.abs() == 1
+
+def test_base_c_enum_to_c_int():
+    class NumberEnum(BaseCEnum):
+        pass
+
+    NumberEnum.addEnum("ONE", 1)
+
+    c_int_value = ctypes.c_int(NumberEnum.ONE)
+    assert c_int_value.value == NumberEnum.ONE