"""Test days module."""
 from unittest import TestCase
+from threading import Thread
+from http.client import HTTPConnection
 from datetime import datetime
 from os import remove as remove_file
+from plomtask.http import TaskHandler, TaskServer
 from plomtask.days import Day
 from plomtask.misc import HandledException
 from plomtask.db import DatabaseFile, DatabaseConnection
         d2.save(self.db_conn)
         day_retrieved = Day.by_date(self.db_conn, d2.date)
         self.assertEqual(day_retrieved.comment, 'foo')
+
+
+class TestsWithServer(TestsWithDB):
+    """Tests against our HTTP server/handler (and database)."""
+
+    def setUp(self):
+        super().setUp()
+        self.httpd = TaskServer(self.db_file, ('localhost', 0), TaskHandler)
+        self.server_thread = Thread(target=self.httpd.serve_forever)
+        self.server_thread.daemon = True
+        self.server_thread.start()
+
+    def test_do_GET_day(self):
+        """Test /day response."""
+        conn = HTTPConnection(*self.httpd.server_address)
+        conn.request('GET', '/day')
+        response = conn.getresponse()
+        self.assertEqual(response.status, 200)
+
+    def tearDown(self):
+        self.httpd.shutdown()
+        self.httpd.server_close()
+        self.server_thread.join()
+        super().tearDown()