[wp-trac] [WordPress Trac] #46149: PHPUnit 8.x support

[WordPress Trac]

#46149: PHPUnit 8.x support
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 Reporter:  SergeyBiryukov                       |       Owner:  netweb
     Type:  task (blessed)                       |      Status:  assigned
 Priority:  high                                 |   Milestone:  5.9
Component:  Build/Test Tools                     |     Version:
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch has-unit-tests early php8  |     Focuses:
  needs-dev-note                                 |
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Comment (by SergeyBiryukov):

 In [changeset:"51560" 51560]:
 {{{
 #!CommitTicketReference repository="" revision="51560"
 Build/Test Tools: Unify the PHPUnit adapter TestCases.

 This commit:
 * Removes the PHPUnit 7 specific `TestCase`.
 * Removes all existing polyfills from the PHPUnit 5.x `TestCase`.
 * Imports all polyfill traits from the PHPUnit Polyfills package into the
 `WP_UnitTestCase` class and updates the DocBlock to reflect the actual
 function of the class.
  * Note: The list of polyfills needs to be verified and updated after each
 new release of the PHPUnit Polyfills package. Alternatively (recommended),
 one of the built-in `TestCase` classes from the PHPUnit Polyfills package
 can be used instead.

 * Moves the `require` for the WP `abstract-testcase.php` to the
 `bootstrap.php` file.
 * Adds a `require_once` for the PHPUnit Polyfills autoloader to the
 `bootstrap.php` file.
  * Note: while this isn't _strictly_ necessary when the tests are run via
 Composer, having the include in the bootstrap allows for the tests to also
 be run via a PHPUnit Phar, providing contributors with more flexibility.

 Follow-up to [51559].

 Props jrf, hellofromTonya, johnbillion, netweb, SergeyBiryukov.
 See #46149.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/46149#comment:64>
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