fix sloppy Server event loop management, add Server tests

tests/test_router.py

@@ -0,0 +1,58 @@
+import logging
+from pathlib import Path
+from functools import partial
+
+from execlog import util
+from execlog import ChainRouter, Event
+from execlog.routers import PathRouter
+from execlog.listeners import PathListener
+
+
+logger = logging.getLogger()
+logger.setLevel(logging.DEBUG)
+logger.addHandler(util.generic.TqdmLoggingHandler())
+
+# router setup
+router1 = PathRouter()
+router2 = PathRouter()
+router3 = PathRouter()
+
+chain_router = ChainRouter([router1, router2, router3])
+
+def test_route_registry():
+    # router-1
+    router1.register('endpoint_proxy', partial(print, 'R1-1 ::'))
+
+    # router-2
+    router2.register('endpoint_proxy', partial(print, 'R2-1 ::'))
+    router2.register('endpoint_proxy', partial(print, 'R2-2 ::'))
+
+    # router-3
+    router3.register('endpoint_proxy', partial(print, 'R3-1 ::'))
+    router3.register('endpoint_proxy', partial(print, 'R3-2 ::'))
+    router3.register('endpoint_proxy', partial(print, 'R3-3 ::'))
+
+    assert True
+
+def test_single_router_submission():
+    events = [
+        Event(endpoint='endpoint_proxy', name='file1'),
+        Event(endpoint='endpoint_proxy', name='file2'),
+        Event(endpoint='endpoint_proxy', name='file3'),
+    ]
+    futures = router2.submit(events)
+    router2.wait_on_futures(futures)
+    
+    assert True
+
+def test_chain_router_submission():
+    events = [
+        Event(endpoint='endpoint_proxy', name='file1'),
+        Event(endpoint='endpoint_proxy', name='file2'),
+        Event(endpoint='endpoint_proxy', name='file3'),
+    ]
+    futures = chain_router.submit(events)
+    chain_router.wait_on_futures(futures)
+
+    assert True
+