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From "Pavel Moravec" <pmora...@redhat.com>
Subject Review Request 22864: [Python client] Report error when encountering unrecognized connection option
Date Mon, 23 Jun 2014 14:35:34 GMT

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Review request for qpid, Alan Conway, Kenneth Giusti, Darryl Pierce, and Rafael Schloming.

Bugs: QPID-5836

Repository: qpid


options need to be iterated to identify possible unknown options. Default values (even None,
otherwise Python complains it does not know them) have to be set before the loop that overwrites
the defaults.

This is in my eyes better option than adding an extra check like:

for key in options.keys():
  if key not in ["reconnect", "transport", "port", .. ]:
    raise error

As this check would have to be maintained and there is a risk one forgets to add a new connection
option there while handling it otherwise.

The code change is more than reasonable but several automated tests failed - some of them
(like ha_tests.RecoveryTests.test_queue_hold) due to connection option protocol:amqp1.0. While
that option should be present _only_ for swig client that does not call endpoints.py and Connection
class. Other test failures are not directly related to that "missing" option but I guess it
would be the indirect reason (some connection supposed to provision something failed due to
that option, so the provisioning was missing etc.).

Any idea where & why _native_ client sets protocol:amqp1.0 ? (I even added the possibility
protocol:amqp0-10 but that didnt help, obviously). Automated tests results added.


  /trunk/qpid/python/qpid/messaging/endpoints.py 1604713 

Diff: https://reviews.apache.org/r/22864/diff/


Automated tests passed.

Manual test with connection option {'a':'b'} raises error:

Traceback (most recent call last):
  File "get_queue_arguments.py", line 17, in <module>
    connection = Connection(brokerurl, **parms)
  File "/usr/lib/python2.6/site-packages/qpid/messaging/endpoints.py", line 195, in __init__
    raise ConnectionError("Unknown connection option " + key + " with value " + value)
qpid.messaging.exceptions.ConnectionError: None(Unknown connection option a with value b)

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automated tests results


Pavel Moravec

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