Set default attributes on WebRequest (#406)

daphne/http_protocol.py

@@ -50,6 +50,8 @@ class WebRequest(http.Request):
     )  # Shorten it a bit, bytes wise
 
     def __init__(self, *args, **kwargs):
+        self.client_addr = None
+        self.server_addr = None
         try:
             http.Request.__init__(self, *args, **kwargs)
             # Easy server link
@@ -77,9 +79,6 @@ class WebRequest(http.Request):
                 # requires unicode string.
                 self.client_addr = [str(self.client.host), self.client.port]
                 self.server_addr = [str(self.host.host), self.host.port]
-            else:
-                self.client_addr = None
-                self.server_addr = None
 
             self.client_scheme = "https" if self.isSecure() else "http"
 

tests/test_http_protocol.py

@@ -0,0 +1,49 @@
+import unittest
+
+from daphne.http_protocol import WebRequest
+
+
+class MockServer:
+    """
+    Mock server object for testing.
+    """
+
+    def protocol_connected(self, *args, **kwargs):
+        pass
+
+
+class MockFactory:
+    """
+    Mock factory object for testing.
+    """
+
+    def __init__(self):
+        self.server = MockServer()
+
+
+class MockChannel:
+    """
+    Mock channel object for testing.
+    """
+
+    def __init__(self):
+        self.factory = MockFactory()
+        self.transport = None
+
+    def getPeer(self, *args, **kwargs):
+        return "peer"
+
+    def getHost(self, *args, **kwargs):
+        return "host"
+
+
+class TestHTTPProtocol(unittest.TestCase):
+    """
+    Tests the HTTP protocol classes.
+    """
+
+    def test_web_request_initialisation(self):
+        channel = MockChannel()
+        request = WebRequest(channel)
+        self.assertIsNone(request.client_addr)
+        self.assertIsNone(request.server_addr)