fix web response repr

Author: fafhrd91

aiohttp/web_reqrep.py

@@ -534,6 +534,7 @@ def __init__(self, *, status=200, reason=None, headers=None):
         self._req = None
         self._resp_impl = None
         self._eof_sent = False
+        self._body_length = 0
 
         if headers is not None:
             # TODO: optimize CIMultiDict extending
@@ -589,7 +590,7 @@ def force_close(self):
 
     @property
     def body_length(self):
-        return self._resp_impl.body_length
+        return self._body_length
 
     @property
     def output_length(self):
@@ -914,11 +915,14 @@ def write_eof(self):
 
         yield from self._resp_impl.write_eof()
         self._eof_sent = True
+        self._body_length = self._resp_impl.body_length
         self._req = None
         self._resp_impl = None
 
     def __repr__(self):
-        if self.started:
+        if self._eof_sent:
+            info = "eof"
+        elif self.started:
             info = "{} {} ".format(self._req.method, self._req.path)
         else:
             info = "not started"

tests/test_web_response.py

@@ -393,7 +393,7 @@ def test_repr_after_eof():
     assert not resp.started
     assert not resp.prepared
     resp_repr = repr(resp)
-    assert resp_repr == '<StreamResponse OK not started>'
+    assert resp_repr == '<StreamResponse OK eof>'
 
 
 @asyncio.coroutine