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      This is an automatically generated e-mail. To reply, visit:
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    <a href="https://reviewboard.asterisk.org/r/4352/diff/1/?file=70711#file70711line68" style="color: black; font-weight: bold; text-decoration: underline;">/asterisk/trunk/tests/channels/pjsip/transfers/asterisk/endpoint/refer/sipp/alice.xml</a>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">          [last_To:];tag=[call_number]</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I don't know what this is causing in Asterisk, if anything, but the to-tag that you are using here is incorrect. You should be able to just use [last_To:] here since the REFER that the SIPp scenario receives should have a to-tag already.</pre>
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    <a href="https://reviewboard.asterisk.org/r/4352/diff/1/?file=70711#file70711line88" style="color: black; font-weight: bold; text-decoration: underline;">/asterisk/trunk/tests/channels/pjsip/transfers/asterisk/endpoint/refer/sipp/alice.xml</a>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">          [last_To:];tag=[call_number]</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Same finding here: remove the tag.</pre>
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    <a href="https://reviewboard.asterisk.org/r/4352/diff/1/?file=70721#file70721line68" style="color: black; font-weight: bold; text-decoration: underline;">/asterisk/trunk/tests/channels/pjsip/transfers/asterisk/uri/refer/sipp/alice.xml</a>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">          [last_To:];tag=[call_number]</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Remove the tag.</pre>
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    <a href="https://reviewboard.asterisk.org/r/4352/diff/1/?file=70721#file70721line88" style="color: black; font-weight: bold; text-decoration: underline;">/asterisk/trunk/tests/channels/pjsip/transfers/asterisk/uri/refer/sipp/alice.xml</a>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">          [last_To:];tag=[call_number]</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Remove the tag.</pre>
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    <a href="https://reviewboard.asterisk.org/r/4352/diff/1/?file=70737#file70737line33" style="color: black; font-weight: bold; text-decoration: underline;">/asterisk/trunk/tests/rest_api/channels/redirect/nominal/run-test</a>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">    def __init__(self, test_object):</pre></td>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        Keyword Arguments:</pre></td>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        test_object -- our TestCase instance</pre></td>
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    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">39</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        self.test_object = test_object</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Like my criticism of hangup_channels() below, I'm not sure why this exists. This sets self.test_object to the incoming test_object, but both subclasses do this as well, so there's no real point to this.

Either this can be removed, or the subclasses can just not set self.test_object = test_object on themselves.</pre>
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    <a href="https://reviewboard.asterisk.org/r/4352/diff/1/?file=70737#file70737line48" style="color: black; font-weight: bold; text-decoration: underline;">/asterisk/trunk/tests/rest_api/channels/redirect/nominal/run-test</a>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        callback = getattr(self, 'handle_{0}'.format(msg_type.lower()), None)</pre></td>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        if callback:</pre></td>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">            callback(message)</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">python is cool.

Any particular reason you've gone with the None default here rather than something like:

try:
    callback = getattr(self, 'handle_{0}'.format(msg_type.lower()))
except AttributeError:
    pass
else:
    callback(message)

?

Just curious since there's technically nothing wrong with this approach.</pre>
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    <a href="https://reviewboard.asterisk.org/r/4352/diff/1/?file=70737#file70737line70" style="color: black; font-weight: bold; text-decoration: underline;">/asterisk/trunk/tests/rest_api/channels/redirect/nominal/run-test</a>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">    def hangup_channels(self):</pre></td>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        """Hangup all tracked channels"""</pre></td>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        pass</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Maybe this is just a philosophical thing, but why have this method? The only reason I could think of is if you had a subclass of BaseReceiver that did not define hangup_channels and you did not want to have an AttributeError thrown when subclass_instance.hangup_channels() was called. But in this case, the two subclasses have hangup_channels() defined on them. So why have a method on the base class that doesn't do anything?</pre>
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    <a href="https://reviewboard.asterisk.org/r/4352/diff/1/?file=70737#file70737line142" style="color: black; font-weight: bold; text-decoration: underline;">/asterisk/trunk/tests/rest_api/channels/redirect/nominal/run-test</a>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">142</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        # - ast2 or ast3 if we should redirect the channel there</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Comment says "ast2 or ast3" but the code checks for ast3 and ast4.</pre>
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    <a href="https://reviewboard.asterisk.org/r/4352/diff/1/?file=70737#file70737line144" style="color: black; font-weight: bold; text-decoration: underline;">/asterisk/trunk/tests/rest_api/channels/redirect/nominal/run-test</a>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">144</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        #   forward being erceived</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">s/erceived/received/</pre>
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    <a href="https://reviewboard.asterisk.org/r/4352/diff/1/?file=70737#file70737line147" style="color: black; font-weight: bold; text-decoration: underline;">/asterisk/trunk/tests/rest_api/channels/redirect/nominal/run-test</a>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">147</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        elif 'ast3' in args or 'ast4' in args:</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">A bit pedantic, but shouldn't you use "==" instead of "in" ?</pre>
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    <a href="https://reviewboard.asterisk.org/r/4352/diff/1/?file=70737#file70737line157" style="color: black; font-weight: bold; text-decoration: underline;">/asterisk/trunk/tests/rest_api/channels/redirect/nominal/run-test</a>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">157</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        elif 'redirected' in args:</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Same finding here, use "==" instead of "in"</pre>
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    <a href="https://reviewboard.asterisk.org/r/4352/diff/1/?file=70737#file70737line238" style="color: black; font-weight: bold; text-decoration: underline;">/asterisk/trunk/tests/rest_api/channels/redirect/nominal/run-test</a>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">238</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        aggregate = [chan_list for server, chan_list in self.channels</pre></td>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">239</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                     if len(chan_list) != 0]</pre></td>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">240</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        if not aggregate:</pre></td>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">241</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">            LOGGER.info('All channels hung up')</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This is probably fine, but it took me a sec to figure out exactly what was going on.

What about:

if sum(len(chan_list) for _, chan_list in self.channels) == 0:
    LOGGER.info('All channels hung up')

It's a matter of whether you favor a generator expression over a list comprehension, I guess.

Even if you don't want to switch to using sum(), I suggest changing to "_" instead of "server" since server is not actually being used in the comprehension and "_" is a commonplace indicator of an unused variable.

Edit: After suggesting down below that possibly self.channels would be better served as a dictionary, my suggested change here now becomes:

if sum(len(chan_list) for chan_list in self.channels.itervalues()) == 0:
    LOGGER.info('All channels hung up')</pre>
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    <a href="https://reviewboard.asterisk.org/r/4352/diff/1/?file=70737#file70737line266" style="color: black; font-weight: bold; text-decoration: underline;">/asterisk/trunk/tests/rest_api/channels/redirect/nominal/run-test</a>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">266</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        channels = [chan_list for server, chan_list in self.channels</pre></td>
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    <th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">267</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                    if server == instance][0]</pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This list comprehension is really strange. To me, this just screams that self.channels is the wrong type of data structure and that a dictionary would fit better. If self.channels were a dictionary, this just becomes:

channels = self.channels[instance].</pre>
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    <a href="https://reviewboard.asterisk.org/r/4352/diff/1/?file=70741#file70741line2" style="color: black; font-weight: bold; text-decoration: underline;">/asterisk/trunk/tests/rest_api/channels/redirect/off-nominal/redirect_off_nominal.py</a>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="sd">Copyright (C) 2013-2015, Digium, Inc.</span></pre></td>
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    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">3</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="sd">Joshua Colp <jcolp@digium.com></span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">It's 2015 and Josh didn't write this :)</pre>
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<p>- Mark Michelson</p>


<br />
<p>On January 19th, 2015, 3:31 a.m. UTC, Matt Jordan wrote:</p>








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<div>Review request for Asterisk Developers.</div>
<div>By Matt Jordan.</div>


<p style="color: grey;"><i>Updated Jan. 19, 2015, 3:31 a.m.</i></p>







<div style="margin-top: 1.5em;">
 <b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>


 <a href="https://issues.asterisk.org/jira/browse/ASTERISK-24015">ASTERISK-24015</a>, 

 <a href="https://issues.asterisk.org/jira/browse/ASTERISK-24703">ASTERISK-24703</a>


</div>



<div style="margin-top: 1.5em;">
 <b style="color: #575012; font-size: 10pt;">Repository: </b>
testsuite
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
 <table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" style="border: 1px solid #b8b5a0">
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   <pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This patch adds tests for https://reviewboard.asterisk.org/r/4316/, which includes both tests for PJSIP's .transfer channel callback and the ARI /channels/[id]/redirect operation.

*PJSIP Tests*
 - Test transferring an unanswered channel to a PJSIP endpoint, which responds to the initial INVITE request with a 302
 - Test transferring an answered channel to a PJSIP endpoint, which sends a REFER request to the target
 - Test transferring an unanswered channel to a SIP URI via PJSIP, which responds to the initial INVITE request with a 302
 - Test transferring an answered channel to a SIP URI via PJSIP, which sends a REFER request to the target

*ARI Tests*
 - Off-nominal testing of the new operation, verifying that the various off nominal error response codes are returned as expected
 - Nominal testing of the operation. For fun, this spawns four Asterisk instances (one call generator, one load balancer, and two destinations) - and proceeds to load balance 'calls' between the two destination instances.

As a pre-emptive note:
(1) The off-nominal test makes use of the ARI event matcher, as it requires a PJSIP channel and tests off nominal error response codes. Along with needing to originate a second channel, the Python callback for this is relatively self contained and limited, both of which remove most of the benefit of driving the whole thing in YAML.
(2) The nominal test is written in "old style" - a single run-test. I can't really see how anyone would re-use portions of it, but it was a fun test to write to show the power of the new operation - plus it does exercise the operation quite a lot.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
<ul style="margin-left: 3em; padding-left: 0;">

 <li>/asterisk/trunk/tests/rest_api/channels/tests.yaml <span style="color: grey">(6302)</span></li>

 <li>/asterisk/trunk/tests/rest_api/channels/redirect/tests.yaml <span style="color: grey">(PRE-CREATION)</span></li>

 <li>/asterisk/trunk/tests/rest_api/channels/redirect/off-nominal/test-config.yaml <span style="color: grey">(PRE-CREATION)</span></li>

 <li>/asterisk/trunk/tests/rest_api/channels/redirect/off-nominal/redirect_off_nominal.py <span style="color: grey">(PRE-CREATION)</span></li>

 <li>/asterisk/trunk/tests/rest_api/channels/redirect/off-nominal/configs/ast1/pjsip.conf <span style="color: grey">(PRE-CREATION)</span></li>

 <li>/asterisk/trunk/tests/rest_api/channels/redirect/off-nominal/configs/ast1/extensions.conf <span style="color: grey">(PRE-CREATION)</span></li>

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</ul>

<p><a href="https://reviewboard.asterisk.org/r/4352/diff/" style="margin-left: 3em;">View Diff</a></p>







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