[wp-trac] [WordPress Trac] #29827: Leftover taxonomies break later tests

[WordPress Trac]

#29827: Leftover taxonomies break later tests
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 Reporter:  boonebgorges      |       Owner:  boonebgorges
     Type:  defect (bug)      |      Status:  reopened
 Priority:  normal            |   Milestone:  4.1
Component:  Build/Test Tools  |     Version:
 Severity:  normal            |  Resolution:
 Keywords:  2nd-opinion       |     Focuses:
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Comment (by danielbachhuber):

 > Can you share a specific example so I can have a closer look?

 My immediate example is from a private client repo, so I've emailed you a
 screenshot.

 Essentially, the configuration is this:

 1. Repo comprises a custom theme.
 1. Bootstrap file uses a filter on `pre_option_stylesheet` and
 `pre_option_template` to load the theme.
 1. Tests extend `WP_UnitTestCase`.
 1. Theme defines post types and taxonomies on `init`.
 1. Theme also loads Co-Authors Plus, which defines a taxonomy and post
 type.
 1. First test passes because the `init` hook fired and registers
 everything. Subsequent tests failboat in basically every way they can
 because the custom post types and taxonomies are no longer registered.

 Re-registering everything in `setUp()` (well, calling the methods that do)
 fixes things cleanly, but it's a bit tedious.

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Ticket URL: <https://core.trac.wordpress.org/ticket/29827#comment:10>
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