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The biggest tradeoff that was made in the implementation of Block Hooks was that they were limited to layouts (i.e. templates, template parts, and patterns) that ''didn't have any user modifications'' (see #59313 for the reason). This changeset is a preparatory step to remove this limitation, so they’ll eventually also work with user-modified layouts. The crucial problem to solve is how to acknowledge that a user has opted to remove or persist a hooked block, so that the auto-insertion mechanism won't run again and inject an extraneous hooked block on the frontend when none is solicited. This is achieved by storing all known blocks hooked to a given anchor block in the `metadata` attribute on that anchor block; specifically in a field called `ignoredHookedBlocks` inside of the `metadata`. Hooked blocks are only rendered on the frontend if they're absent from that field; OTOH, they're injected into that field (via the REST API) when first loaded in the editor. This simple logic guarantees that once a user modifies a given layout, those changes are respected on the frontend; yet if a plugin that includes a hooked block is activated after those modifications have taken place, the hooked block will be rendered on the frontend. This new technique supplants the one previously used (i.e. rendering hooked blocks on the frontend only if a layout doesn't have any modifications) in a rather direct way. Note that this changeset only introduces the new metadata field and relevant logic; it does not yet enable hooked block insertion into modified layouts. That will be done in a subsequent step (see #59646). Props gziolo. Closes #60008. git-svn-id: https://develop.svn.wordpress.org/trunk@57157 602fd350-edb4-49c9-b593-d223f7449a82 |
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The short version:
1. Create a clean MySQL database and user. DO NOT USE AN EXISTING DATABASE or you will lose data, guaranteed.
2. Copy wp-tests-config-sample.php to wp-tests-config.php, edit it and include your database name/user/password.
3. $ svn up
4. Run the tests from the "trunk" directory:
To execute a particular test:
$ phpunit tests/phpunit/tests/test_case.php
To execute all tests:
$ phpunit
Notes:
Test cases live in the 'tests' subdirectory. All files in that directory will be included by default. Extend the WP_UnitTestCase class to ensure your test is run.
phpunit will initialize and install a (more or less) complete running copy of WordPress each time it is run. This makes it possible to run functional interface and module tests against a fully working database and codebase, as opposed to pure unit tests with mock objects and stubs. Pure unit tests may be used also, of course.
Changes to the test database will be rolled back as tests are finished, to ensure a clean start next time the tests are run.
phpunit is intended to run at the command line, not via a web server.