Protocol versioning, announce period option, old API workaround

tests/test_hacks.py

@@ -0,0 +1,44 @@
+import asyncio
+
+import rnsh.hacks as hacks
+import pytest
+import time
+import logging
+logging.getLogger().setLevel(logging.DEBUG)
+
+
+class FakeLink:
+    def __init__(self, link_id):
+        self.link_id = link_id
+
+
+@pytest.mark.asyncio
+async def test_pruning():
+    def listen_request(path, data, request_id, link_id, remote_identity, requested_at):
+        assert path == 1
+        assert data == 2
+        assert request_id == 3
+        assert remote_identity == 4
+        assert requested_at == 5
+        assert link_id == 6
+        return 7
+
+    lhr_called = 0
+    link = FakeLink(6)
+
+    def link_handle_request(self, request_id, unpacked_request):
+        nonlocal lhr_called
+        lhr_called += 1
+
+    old_func = hacks.request_request_id_hack(listen_request, asyncio.get_running_loop())
+    hacks._link_handle_request_orig = link_handle_request
+    hacks._link_handle_request(link, 3, None)
+    link_id = hacks._request_to_link.get(3)
+    assert link_id == link.link_id
+    result = old_func(1, 2, 3, 4, 5)
+    assert result == 7
+    link_id = hacks._request_to_link.get(3)
+    assert link_id == 6
+    await asyncio.sleep(1.5)
+    link_id = hacks._request_to_link.get(3)
+    assert link_id is None