Initial test refactoring

tests/utils/tcpserver.py

@@ -0,0 +1,31 @@
+from multiprocessing import Process
+import socket
+
+class TcpServer:
+    def __init__(self,port):
+        def _startServer(port):
+            sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+            sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+            sock.bind(('127.0.0.1', port))
+            sock.listen(8)
+            while True:  
+                connection,address = sock.accept()  
+                buf = connection.recv(4096)  
+                connection.send(buf)    		
+                connection.close()
+        self.port = port
+        self.server = Process(target=_startServer,args=[port])
+
+    def start(self):
+        self.server.start()
+    
+    def stop(self):
+        self.server.terminate()
+
+    def sendCheckData(self,data):
+        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        s.connect(('localhost', self.port))
+        s.sendall(data)
+        received_data = s.recv(4096)
+        s.close()
+        return received_data == data