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diff --git a/osm_ro/http_tools/tests/test_handler.py b/osm_ro/http_tools/tests/test_handler.py
new file mode 100644
index 00000000..af325450
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+++ b/osm_ro/http_tools/tests/test_handler.py
@@ -0,0 +1,95 @@
+# -*- coding: utf-8 -*-
+import unittest
+
+from mock import MagicMock, patch
+from webtest import TestApp
+
+from .. import handler
+from ..handler import BaseHandler, route
+
+
+class TestIntegration(unittest.TestCase):
+    def test_wsgi_app(self):
+        # Given a Handler class that implements a route
+        some_plugin = MagicMock()
+
+        class MyHandler(BaseHandler):
+            url_base = '/42'
+            plugins = [some_plugin]
+
+            @route('get', '/some/path')
+            def callback(self):
+                return 'some content'
+
+        route_mock = MagicMock()
+        with patch(handler.__name__+'.Bottle.route', route_mock):
+            # When we try to access wsgi_app for the first time
+            my_handler = MyHandler()
+            assert my_handler.wsgi_app
+            # then bottle.route should be called with the right arguments
+            route_mock.assert_called_once_with('/42/some/path', method='GET',
+                                               callback=my_handler.callback,
+                                               apply=[some_plugin])
+
+            # When we try to access wsgi_app for the second time
+            assert my_handler.wsgi_app
+            # then the result should be cached
+            # and bottle.route should not be called again
+            self.assertEqual(route_mock.call_count, 1)
+
+    def test_route_created(self):
+        # Given a Handler class, as in the example documentation
+        class MyHandler(BaseHandler):
+            def __init__(self):
+                self.value = 42
+
+            @route('GET', '/some/path/<param>')
+            def callback(self, param):
+                return '{} + {}'.format(self.value, param)
+
+        # when this class is used to generate a webapp
+        app = TestApp(MyHandler().wsgi_app)
+
+        # then the defined URLs should be available
+        response = app.get('/some/path/0')
+        self.assertEqual(response.status_code, 200)
+        # and the callbacks should have access to ``self``
+        response.mustcontain('42 + 0')
+
+    def test_url_base(self):
+        # Given a Handler class that allows url_base customization
+        class MyHandler(BaseHandler):
+            def __init__(self, url_base):
+                self.url_base = url_base
+
+            @route('GET', '/some/path/<param>')
+            def callback(self, param):
+                return param
+
+        # when this class is used to generate a webapp
+        app = TestApp(MyHandler('/prefix').wsgi_app)
+
+        # then the prefixed URLs should be available
+        response = app.get('/prefix/some/path/content')
+        self.assertEqual(response.status_code, 200)
+        response.mustcontain('content')
+
+    def test_starting_param(self):
+        # Given a Handler class with a route beginning with a param
+        class MyHandler(BaseHandler):
+            @route('GET', '/<param>/some/path')
+            def callback(self, param):
+                return '**{}**'.format(param)
+
+        # is used to generate a webapp
+        app = TestApp(MyHandler().wsgi_app)
+
+        # when the defined URLs is accessed
+        response = app.get('/42/some/path')
+        # Then no error should happen
+        self.assertEqual(response.status_code, 200)
+        response.mustcontain('**42**')
+
+
+if __name__ == '__main__':
+    unittest.main()