tests cleanup, CI with Python 3.6next

1 files changed, 33 insertions, 0 deletions

diff --git a/tests/isolated/hub_fork.py b/tests/isolated/hub_fork.py
new file mode 100644
index 0000000..1872942
--- /dev/null
+++ b/tests/isolated/hub_fork.py
@@ -0,0 +1,33 @@
+# verify eventlet.listen() accepts in forked children
+__test__ = False
+
+if __name__ == '__main__':
+    import os
+    import sys
+    import eventlet
+
+    server = eventlet.listen(('127.0.0.1', 0))
+    result = eventlet.with_timeout(0.01, server.accept, timeout_value=True)
+    assert result is True, 'Expected timeout'
+
+    pid = os.fork()
+    if pid < 0:
+        print('fork error')
+        sys.exit(1)
+    elif pid == 0:
+        with eventlet.Timeout(1):
+            sock, _ = server.accept()
+            sock.sendall('ok {0}'.format(os.getpid()).encode())
+            sock.close()
+        sys.exit(0)
+    elif pid > 0:
+        with eventlet.Timeout(1):
+            sock = eventlet.connect(server.getsockname())
+            data = sock.recv(20).decode()
+            assert data.startswith('ok ')
+            spid = int(data[3:].strip())
+            assert spid == pid
+            kpid, status = os.wait()
+            assert kpid == pid
+            assert status == 0
+            print('pass')