Move file writes and reads to separate thread

src/Test/TestThreadPool.py

@@ -0,0 +1,29 @@
+import gevent
+
+from util import ThreadPool
+
+
+class TestThreadPool:
+    def testExecutionOrder(self):
+        pool = ThreadPool.ThreadPool(4)
+
+        events = []
+
+        @pool.wrap
+        def blocker():
+            events.append("S")
+            out = 0
+            for i in range(1000000):
+                out += 1
+            events.append("D")
+            return out
+
+        threads = []
+        for i in range(4):
+            threads.append(gevent.spawn(blocker))
+        gevent.joinall(threads)
+
+        assert events == ["S"] * 4 + ["D"] * 4, events
+
+        res = blocker()
+        assert res == 1000000