diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..4524d75
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,13 @@
+sudo: required
+language: python
+services:
+    - docker
+before_install:
+    - sudo mkdir -p /data/log
+    - pip install requests
+script:
+    - docker pull qduoj/judge_server
+    - cp docker-compose.example.yml docker-compose.yml
+    - docker-compose up -d
+    - docker ps -a
+    - python tests/tests.py
\ No newline at end of file
diff --git a/client/__init__.py b/client/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/docker-compose.example.yml b/docker-compose.example.yml
index 619aff8..37a3502 100644
--- a/docker-compose.example.yml
+++ b/docker-compose.example.yml
@@ -1,7 +1,7 @@
 version: "2"
 services:
     judge_server:
-        image: judge_server
+        image: qduoj/judge_server
         cpu_quota: 90000
         read_only: true
         cap_drop:
diff --git a/tests/tests.py b/tests/tests.py
new file mode 100644
index 0000000..fc6f7c8
--- /dev/null
+++ b/tests/tests.py
@@ -0,0 +1,47 @@
+# coding=utf-8
+from __future__ import unicode_literals
+from os import sys, path
+sys.path.append(path.dirname(path.dirname(path.abspath(__file__))))
+
+import json
+import unittest
+import requests
+
+
+from client.Python.client import JudgeServerClient, JudgeServerClientError
+
+
+class JudgeServerClientForTokenHeaderTest(JudgeServerClient):
+    def _request(self, url, data=None):
+        kwargs = {"headers": {"Content-Type": "application/json"}}
+        if data:
+            kwargs["data"] = json.dumps(data)
+        try:
+            return requests.post(url, **kwargs).json()
+        except Exception as e:
+            raise JudgeServerClientError(e.message)
+
+
+class JudgeServerTest(unittest.TestCase):
+    def setUp(self):
+        self.token = "token"
+        self.server_base_url = "http://127.0.0.1:12358"
+        self.client = JudgeServerClient(token=self.token, server_base_url=self.server_base_url)
+
+    def test_success(self):
+        data = self.client.ping()
+        self.assertEqual(data["err"], None)
+        self.assertEqual(data["data"]["action"], "pong")
+
+    def test_invalid_token(self):
+        client = JudgeServerClient(token="wrong token", server_base_url=self.server_base_url)
+        data = client.ping()
+        self.assertEqual(data["err"], "TokenVerificationFailed")
+
+    def test_no_token_header(self):
+        client = JudgeServerClientForTokenHeaderTest(token="wrong token", server_base_url=self.server_base_url)
+        data = client.ping()
+        self.assertEqual(data["err"], "TokenVerificationFailed")
+
+if __name__ == '__main__':
+    unittest.main()
\ No newline at end of file