def test_subscribe_to_broadcast(mockstomp):
"""Test subscribing to a topic (publish-subscribe) and callback functions."""
mock_cb1 = mock.Mock()
mock_cb2 = mock.Mock()
stomp = StompTransport()
stomp.connect()
mockconn = mockstomp.Connection.return_value
def callback_resolver(cbid):
if cbid == 1:
return mock_cb1
if cbid == 2:
return mock_cb2
raise ValueError("Unknown subscription ID %r" % cbid)
stomp.subscription_callback = callback_resolver
mockconn.set_listener.assert_called_once()
listener = mockconn.set_listener.call_args[0][1]
assert listener is not None
stomp._subscribe_broadcast(
1,
str(mock.sentinel.channel1),
mock_cb1,
)
mockconn.subscribe.assert_called_once()
args, kwargs = mockconn.subscribe.call_args
assert args == ("/topic/" + str(mock.sentinel.channel1), 1)
assert kwargs == {"headers": {}}
stomp._subscribe_broadcast(2,
str(mock.sentinel.channel2),
mock_cb2,
retroactive=True)
assert mockconn.subscribe.call_count == 2
args, kwargs = mockconn.subscribe.call_args
assert args == ("/topic/" + str(mock.sentinel.channel2), 2)
assert kwargs == {"headers": {"activemq.retroactive": "true"}}
assert mock_cb1.call_count == 0
listener.on_message(_frame({"subscription": 1}, mock.sentinel.message1))
mock_cb1.assert_called_once_with({"subscription": 1},
mock.sentinel.message1)
assert mock_cb2.call_count == 0
listener.on_message(_frame({"subscription": 2}, mock.sentinel.message2))
mock_cb2.assert_called_once_with({"subscription": 2},
mock.sentinel.message2)
stomp._unsubscribe(1)
mockconn.unsubscribe.assert_called_once_with(id=1)
stomp._unsubscribe(2)
mockconn.unsubscribe.assert_called_with(id=2)
def test_subscribe_to_queue(mockstomp):
"""Test subscribing to a queue (producer-consumer), callback functions and unsubscribe."""
mock_cb1 = mock.Mock()
mock_cb2 = mock.Mock()
stomp = StompTransport()
stomp.connect()
mockconn = mockstomp.Connection.return_value
def callback_resolver(cbid):
if cbid == 1:
return mock_cb1
if cbid == 2:
return mock_cb2
raise ValueError("Unknown subscription ID %r" % cbid)
stomp.subscription_callback = callback_resolver
mockconn.set_listener.assert_called_once()
listener = mockconn.set_listener.call_args[0][1]
assert listener is not None
stomp._subscribe(
1,
str(mock.sentinel.channel1),
mock_cb1,
)
mockconn.subscribe.assert_called_once()
args, kwargs = mockconn.subscribe.call_args
assert args == ("/queue/" + str(mock.sentinel.channel1), 1)
assert kwargs == {
"headers": {},
"ack": "auto",
}
stomp._subscribe(
2,
str(mock.sentinel.channel2),
mock_cb2,
retroactive=True,
selector=mock.sentinel.selector,
exclusive=True,
priority=42,
)
assert mockconn.subscribe.call_count == 2
args, kwargs = mockconn.subscribe.call_args
assert args == ("/queue/" + str(mock.sentinel.channel2), 2)
assert kwargs == {
"headers": {
"activemq.retroactive": "true",
"selector": mock.sentinel.selector,
"activemq.exclusive": "true",
"activemq.priority": 42,
},
"ack": "auto",
}
assert mock_cb1.call_count == 0
listener.on_message(_frame({"subscription": 1}, mock.sentinel.message1))
mock_cb1.assert_called_once_with({"subscription": 1},
mock.sentinel.message1)
assert mock_cb2.call_count == 0
listener.on_message(_frame({"subscription": 2}, mock.sentinel.message2))
mock_cb2.assert_called_once_with({"subscription": 2},
mock.sentinel.message2)
stomp._subscribe(3,
str(mock.sentinel.channel3),
mock_cb2,
acknowledgement=True)
assert mockconn.subscribe.call_count == 3
args, kwargs = mockconn.subscribe.call_args
assert args == ("/queue/" + str(mock.sentinel.channel3), 3)
assert kwargs == {"headers": {}, "ack": "client-individual"}
stomp._unsubscribe(1)
mockconn.unsubscribe.assert_called_once_with(id=1)
stomp._unsubscribe(2)
mockconn.unsubscribe.assert_called_with(id=2)