1 files changed, 139 insertions, 0 deletions
diff --git a/sleekxmpp/test/mocksocket.py b/sleekxmpp/test/mocksocket.py
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+++ b/sleekxmpp/test/mocksocket.py
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+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2010 Nathanael C. Fritz, Lance J.T. Stout
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+import socket
+try:
+    import queue
+except ImportError:
+    import Queue as queue
+
+
+class TestSocket(object):
+
+    """
+    A dummy socket that reads and writes to queues instead
+    of an actual networking socket.
+
+    Methods:
+        next_sent -- Return the next sent stanza.
+        recv_data -- Make a stanza available to read next.
+        recv      -- Read the next stanza from the socket.
+        send      -- Write a stanza to the socket.
+        makefile  -- Dummy call, returns self.
+        read      -- Read the next stanza from the socket.
+    """
+
+    def __init__(self, *args, **kwargs):
+        """
+        Create a new test socket.
+
+        Arguments:
+            Same as arguments for socket.socket
+        """
+        self.socket = socket.socket(*args, **kwargs)
+        self.recv_queue = queue.Queue()
+        self.send_queue = queue.Queue()
+
+    def __getattr__(self, name):
+        """
+        Return attribute values of internal, dummy socket.
+
+        Some attributes and methods are disabled to prevent the
+        socket from connecting to the network.
+
+        Arguments:
+            name -- Name of the attribute requested.
+        """
+
+        def dummy(*args):
+            """Method to do nothing and prevent actual socket connections."""
+            return None
+
+        overrides = {'connect': dummy,
+                     'close': dummy,
+                     'shutdown': dummy}
+
+        return overrides.get(name, getattr(self.socket, name))
+
+    # ------------------------------------------------------------------
+    # Testing Interface
+
+    def next_sent(self, timeout=None):
+        """
+        Get the next stanza that has been 'sent'.
+
+        Arguments:
+            timeout -- Optional timeout for waiting for a new value.
+        """
+        args = {'block': False}
+        if timeout is not None:
+            args = {'block': True, 'timeout': timeout}
+        try:
+            return self.send_queue.get(**args)
+        except:
+            return None
+
+    def recv_data(self, data):
+        """
+        Add data to the receiving queue.
+
+        Arguments:
+            data -- String data to 'write' to the socket to be received
+                    by the XMPP client.
+        """
+        self.recv_queue.put(data)
+
+    # ------------------------------------------------------------------
+    # Socket Interface
+
+    def recv(self, *args, **kwargs):
+        """
+        Read a value from the received queue.
+
+        Arguments:
+            Placeholders. Same as for socket.Socket.recv.
+        """
+        return self.read(block=True)
+
+    def send(self, data):
+        """
+        Send data by placing it in the send queue.
+
+        Arguments:
+            data -- String value to write.
+        """
+        self.send_queue.put(data)
+
+    # ------------------------------------------------------------------
+    # File Socket
+
+    def makefile(self, *args, **kwargs):
+        """
+        File socket version to use with ElementTree.
+
+        Arguments:
+            Placeholders, same as socket.Socket.makefile()
+        """
+        return self
+
+    def read(self, block=True, timeout=None, **kwargs):
+        """
+        Implement the file socket interface.
+
+        Arguments:
+            block   -- Indicate if the read should block until a
+                       value is ready.
+            timeout -- Time in seconds a block should last before
+                       returning None.
+        """
+        if timeout is not None:
+            block = True
+        try:
+            return self.recv_queue.get(block, timeout)
+        except:
+            return None