BIND 10 #1553: b10-resolver basic feature test in lettuce

[BIND 10 Development]

#1553: b10-resolver basic feature test in lettuce
-------------------------------------+-------------------------------------
                   Reporter:  jreed  |                 Owner:  jelte
                       Type:         |                Status:  reviewing
  defect                             |             Milestone:
                   Priority:  major  |  Sprint-20120124
                  Component:         |            Resolution:
  resolver                           |             Sensitive:  0
                   Keywords:         |           Sub-Project:  DNS
            Defect Severity:  N/A    |  Estimated Difficulty:  0
Feature Depending on Ticket:         |           Total Hours:  0.5
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Comment (by jelte):

 The suggestion to set the ACL did give me an idea for an additional test;
 this has been a past regression as well, so I am still convinced we need
 to do a 'real' query and see that NOERROR is returned.

 So I've changed it a bit; initially, the server is started with acl
 REJECT, and it tests to see if REFUSED is the rcode. Then it sets it to
 ACCEPT, queries, checks NOERROR, and on success immediately sets REJECT
 again.

 This not only checks whether acls work, but also reduces the window in
 which is is acting on queries.

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Ticket URL: <http://bind10.isc.org/ticket/1553#comment:12>
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