[wp-trac] [WordPress Trac] #37446: Introduce a filter for `self_admin_url()`

[WordPress Trac]

#37446: Introduce a filter for `self_admin_url()`
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 Reporter:  flixos90                  |       Owner:  flixos90
     Type:  enhancement               |      Status:  assigned
 Priority:  normal                    |   Milestone:  4.9
Component:  Administration            |     Version:  3.1
 Severity:  normal                    |  Resolution:
 Keywords:  has-patch has-unit-tests  |     Focuses:  multisite
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Changes (by flixos90):

 * keywords:  has-patch => has-patch has-unit-tests
 * owner:   => flixos90
 * status:  new => assigned
 * milestone:  Future Release => 4.9


Comment:

 In [attachment:37446.3.diff] I added a few unit tests for
 `self_admin_url()`.

 It's currently not possible to test the function further without hacking
 ''a lot'', since there is no way to influence function outcomes from e.g.
 `is_network_admin()`, since `WP_Screen` is final and cannot be mocked. The
 few tests that are there now at least perform the most basic checks and
 ensure the filter works.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37446#comment:6>
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