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A bug was discovered where where the parser wasn't returning to the start of the affected tag after making some updates. In few words, the Tag Processor has not been treating its own internal pointer `bytes_already_parsed` the same way it treats its bookmarks. That is, when updates are applied to the input document and then `get_updated_html()` is called, the internal pointer transfers to the newly-updated content as if no updates had been applied since the previous call to `get_updated_html()`. In this patch we're creating a new "shift accumulator" to account for all of the updates that accrue before calling `get_updated_html()`. This accumulated shift will be applied when swapping the input document with the output buffer, which should result in the pointer pointing to the same logical spot in the document it did before the udpate. In effect this patch adds a single workaround for treating the internal pointer like a bookmark, plus a temporary pointer which points to the beginning of the current tag when calling `get_updated_html()`. This will preserve the assumption that updating a document doesn't move that pointer, or shift which tag is currently matched. Props dmsnell, zieladam. Fixes #58179. git-svn-id: https://develop.svn.wordpress.org/trunk@55706 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.