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This changeset introduces `$post` parameters to `get_the_content()` and `wp_trim_excerpt()`. When a `$post` object is passed to one of these functions, the functions will operate on the data from that object, rather than from the post globals (`$authordata`, `$page`, etc). This ensures that the functions work in a predictable manner when used outside of the regular post loop. The global-mismatch problem is surfaced in cases where `get_the_excerpt()` is called outside of the post loop, on posts that don't have a defined excerpt. In these cases, the post globals - used to generate a fallback excerpt - may refer to the incorrect object, resulting in PHP notices or other unpredictable behavior. See #36934 for a related issue. Props spacedmonkey, kraftbj, Shital Patel. Fixes #42814. git-svn-id: https://develop.svn.wordpress.org/trunk@44941 602fd350-edb4-49c9-b593-d223f7449a82
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.