diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 00000000..88f62cd4
--- /dev/null
+++ b/tests/__init__.py
@@ -0,0 +1,62 @@
+# -*- coding: utf-8 -*-
+#
+# This file is part of Radicale Server - Calendar Server
+# Copyright © 2012 Guillaume Ayoub
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Radicale.  If not, see <http://www.gnu.org/licenses/>.
+
+"""
+Tests for Radicale.
+
+"""
+
+import os
+import sys
+
+sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
+
+import radicale
+
+
+class BaseTest(object):
+    """Base class for tests."""
+
+    def setup(self):
+        """Setup function for each test."""
+        self.application = radicale.Application()
+
+    def teardown(self):
+        """Teardown function for each test."""
+
+    def request(self, method, path, **args):
+        """Send a request."""
+        self.application._status = None
+        self.application._headers = None
+        self.application._answer = None
+
+        for key in args:
+            args[key.upper()] = args[key]
+        args["REQUEST_METHOD"] = method.upper()
+        args["PATH_INFO"] = path
+        self.application._answer = self.application(args, self.start_response)
+
+        return (
+            int(self.application._status.split()[0]),
+            dict(self.application._headers),
+            self.application._answer[0].decode("utf-8"))
+
+    def start_response(self, status, headers):
+        """Put the response values into the current application."""
+        self.application._status = status
+        self.application._headers = headers
diff --git a/tests/test_base.py b/tests/test_base.py
new file mode 100644
index 00000000..10adbd58
--- /dev/null
+++ b/tests/test_base.py
@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+#
+# This file is part of Radicale Server - Calendar Server
+# Copyright © 2012 Guillaume Ayoub
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Radicale.  If not, see <http://www.gnu.org/licenses/>.
+
+"""
+Radicale tests with simple requests.
+
+"""
+
+from . import BaseTest
+
+
+class TestBaseRequests(BaseTest):
+    """Tests with simple requests."""
+
+    def test_root(self):
+        """Test a GET request at "/"."""
+        status, headers, answer = self.request("GET", "/")
+        assert status == 200
+        assert "Radicale works!" in answer