pubsub test added to examples folder

examples/pubsub.py

@@ -0,0 +1,42 @@
+#!/usr/bin/env python3
+# a very ugly hack
+import asyncio
+import asyncio_mongo as mongodb
+import datetime
+import sys
+
+@asyncio.coroutine
+def testfunc():
+    mongo = yield from mongodb.Connection.create('localhost', 27017)
+
+    db = mongo.test
+    c = yield from db.create_collection("pubsub", {"capped":True, "size":100000, "autoIndexId":False})
+
+@asyncio.coroutine
+def insert_some_doc():
+    mongo = yield from mongodb.Connection.create("localhost", 27017)
+
+    c = mongo.test.pubsub
+    for x in range(3):
+        r = yield from c.insert({"message": "nr: {}".format(x),
+                                    "datetime": datetime.datetime.now(),})
+        print(r)
+
+@asyncio.coroutine
+def sub_test():
+    mongo = yield from mongodb.Connection.create()
+    c = mongo.test.pubsub
+    cursor, docs = yield from c.find(tailable=True, await_data=True)
+    while True:
+        for x in docs:
+            print(x)
+        cursor, docs = yield from cursor
+        #yield from asyncio.sleep(1)
+
+
+if __name__ == '__main__':
+    f = sub_test()
+    if "push" in sys.argv:
+        f = insert_some_doc()
+    asyncio.get_event_loop().run_until_complete(f)
+