[wp-trac] [WordPress Trac] #20767: tax_query clobbers tag and category

[WordPress Trac]

#20767: tax_query clobbers tag and category
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 Reporter:  wonderboymusic    |       Owner:
     Type:  defect (bug)      |      Status:  new
 Priority:  normal            |   Milestone:  3.8
Component:  Query             |     Version:  3.1
 Severity:  major             |  Resolution:
 Keywords:  has-patch commit  |
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Comment (by wonderboymusic):

 In [changeset:"26006"]:
 {{{
 #!CommitTicketReference repository="" revision="26006"
 `WP_UnitTestCase::go_to()` tried its best to clean up global space, but
 ultimately fell short. Because it was blowing away `WP` every time it was
 called, it was dropping all the query vars that were registered for custom
 taxonomies and custom post types (ouch).

 Introduces `_cleanup_query_vars()`. This is a prerequisite for the unit
 tests on #20767. All unit tests pass with this change.

 See #20767.
 Fixes #25818.
 }}}

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Ticket URL: <http://core.trac.wordpress.org/ticket/20767#comment:12>
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