Add /probe tests

These tests cover:
- Correct request
- No json request
- Malformed json request

tests/units/test_0001_probe.py

@@ -0,0 +1,42 @@
+from server import Server
+from client import Client
+import unittest
+
+class TestProbeMethods(unittest.TestCase):
+
+    def test_post(self):
+        msg = 'HTTP/1.0 200 OK\r\nContent-Length:17\r\n' \
+              'Content-Type:application/json\r\n\r\n{"status": "OPG"}'
+        c = Client()
+        s = Server()
+        server_response = s.connect()
+        s.stop()
+        c.stop()
+        self.assertEqual(server_response, msg)
+
+    def test_no_json(self):
+        c = Client()
+        s = Server()
+        s.connect(probe=False)
+        s.send('POST /probe HTTP/1.0\r\nContent-Length:0\r\n\r\n')
+        response = s.recv()
+        s.stop()
+        c.stop()
+        self.assertEqual(response, 'HTTP/1.0 400 Bad Request\r\n\r\n')
+
+    def test_malformed_json(self):
+        json = '{"id": 0, "name": "test_local", "center": 0}'
+        len_json = str(len(json))
+        msg = 'POST /probe HTTP/1.0\r\nContent-Length:' + len_json + \
+              '\r\nContent-Type:application/json\r\n\r\n' + json
+        c = Client()
+        s = Server()
+        s.connect(probe=False)
+        s.send(msg)
+        response = s.recv()
+        s.stop()
+        c.stop()
+        self.assertEqual(response, 'HTTP/1.0 400 Bad Request\r\n\r\n')
+
+if __name__ == '__main__':
+    unittest.main()