add unit test

Author: James Lee

app/test.py

@@ -0,0 +1,23 @@
+import unittest
+import app
+
+class TestDockerapp(unittest.TestCase):
+
+    def setUp(self):
+        self.app = app.app.test_client()
+
+    def test_save_value(self):
+        response = self.app.post('/', data=dict(submit='save', key='2', cache_value='two'))
+        assert response.status_code == 200
+        assert b'2' in response.data
+        assert b'two' in response.data
+
+    def test_load_value(self):
+        self.app.post('/', data=dict(submit='save', key='2', cache_value='two'))
+        response = self.app.post('/', data=dict(submit='load', key='2'))
+        assert response.status_code == 200
+        assert b'2' in response.data
+        assert b'two' in response.data
+
+if __name__=='__main__':
+    unittest.main()