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[Chris Dent <cdent+lp@xxxxxxxxxxxxx>]

It is, yes. I think the duplicate was created during one of those times
when launchpad was doing timeouts and I didn't notice that I created it
twice.

** Changed in: nova
       Status: Triaged => Fix Released

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https://bugs.launchpad.net/bugs/1747000

Title:
  Use of parse.urlencode with dict in
  nova/tests/unit/scheduler/client/test_report.py can result in
  unpredictable query strings and thus unreliable tests

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  In nova/tests/unit/scheduler/client/test_report.py there are several
  tests which confirm the URLs that get passed to the placement service.
  These create query strings by using code like:

          expected_url = '/allocation_candidates?%s' % parse.urlencode(
              {'resources': 'MEMORY_MB:1024,VCPU:1',
               'required': 'CUSTOM_TRAIT1',
               'limit': 1000})

  This results in a query string that will have an unpredictable order.
  Similarly, the code which is doing the actual query string creation is
  using the same form.

  Most of the time the results are the same, and the tests pass, but
  sometimes they do not.

  There are at least two potential ways to work around this:

  * build the query strings using a sequence of tuples and set the 'doseq' param to urlencode to True. This will preserve order.
  * Parse the expected_url's query params in the tests back to a dict and compare dicts

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