Add working tests, can shutdown conn and pool

tests/base.py

@@ -0,0 +1,48 @@
+import inspect
+import unittest
+from asyncio import coroutine
+import asyncio
+import asyncio_mongo
+
+mongo_host = "localhost"
+mongo_port = 27017
+
+
+def yields(value):
+    return isinstance(value, asyncio.futures.Future) or inspect.isgenerator(value)
+
+
+@coroutine
+def call_maybe_yield(func, *args, **kwargs):
+    rv = func(*args, **kwargs)
+    if yields(rv):
+        rv = yield from rv
+    return rv
+
+
+def run_now(func, *args, **kwargs):
+    loop = asyncio.get_event_loop()
+    return loop.run_until_complete(
+        asyncio.Task(call_maybe_yield(func, *args, **kwargs))
+    )
+
+
+def async(func):
+    def inner(*args, **kwargs):
+        run_now(func, *args, **kwargs)
+    return inner
+
+
+class MongoTest(unittest.TestCase):
+
+    @async
+    def setUp(self):
+        self.conn = yield from asyncio_mongo.Connection.create(mongo_host, mongo_port)
+        self.db = self.conn.mydb
+        self.coll = self.db.mycol
+        yield from self.coll.drop()
+
+    @async
+    def tearDown(self):
+        yield from self.coll.drop()
+        self.conn.disconnect()