[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:  Future
                                                 |  Release
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:"51462" 51462]:
 {{{
 #!CommitTicketReference repository="" revision="51462"
 Tests: Replace `assertContains()` with `assertStringContainsString()` when
 used with strings.

 Using the `assertContains()` and `assertNotContains()` methods with string
 haystacks was deprecated in PHPUnit 8 and removed in PHPUnit 9.

 While WordPress test suite currently only supports PHPUnit up to 7.5.x,
 this allows us to switch to newer assertions ahead of adding full support
 for PHPUnit 8+.

 These methods introduced in PHPUnit 7.5 should be used as an alternative:

 * `assertStringContainsString()`
 * `assertStringContainsStringIgnoringCase`
 * `assertStringNotContainsString()`
 * `assertStringNotContainsStringIgnoringCase`

 As WordPress currently uses PHPUnit 5.7.x to run tests on PHP 5.6,
 polyfills for these methods were added to the `WP_UnitTestCase` class for
 PHPUnit < 7.5.

 Follow-up to [51331], [51451], [51461].

 Props jrf, dd32, SergeyBiryukov.
 See #53363, #46149.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/46149#comment:57>
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