Define the buffered socket can_read method.

Author: Lukasa

hyper/http20/bufsocket.py

@@ -61,6 +61,20 @@ def _buffer_end(self):
         """
         return self._index + self._bytes_in_buffer
 
+    @property
+    def can_read(self):
+        """
+        Whether or not there is more data to read from the socket.
+        """
+        if self._bytes_in_buffer:
+            return True
+
+        read = select.select([self._sck], [], [], 0)[0]
+        if read:
+            return True
+
+        return False
+
     def recv(self, amt):
         """
         Read some data from the socket.

test/test_hyper.py

@@ -2029,6 +2029,7 @@ class DummySocket(object):
     def __init__(self):
         self.queue = []
         self.buffer = BytesIO()
+        self.can_read = False
 
     def send(self, data):
         self.queue.append(data)