Test PyPy (#23)

* Test PyPy

* Check if socket already closed

Author: davidbrochart

.github/workflows/test.yml

@@ -14,7 +14,15 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: [ '3.9', '3.10', '3.11', '3.12', '3.13' ]
+        python-version:
+          - '3.9'
+          - '3.10'
+          - '3.11'
+          - '3.12'
+          - '3.13'
+          - 'pypy-3.9'
+          - 'pypy-3.10'
+          - 'pypy-3.11'
 
     steps:
       - name: Checkout repository

tests/conftest.py

@@ -1,6 +1,5 @@
 import os
 import signal
-import socket
 from threading import Thread
 
 import zmq
@@ -76,7 +75,8 @@ def sockets(contexts):
 
     # close sockets
     for socket in sockets:
-        socket.close(linger=0)
+        if not socket.closed:
+            socket.close(linger=0)
 
 
 @pytest.fixture