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Multisite: More specific caching for get_dirsize.

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Instead of one cache entry for all upload folders for a site on multisite, this now caches for each folder and invalidates that cache based on context. In multisite, this should speed up `get_dirsize` calls since older directories that are much less likely to change will no longer have the size recalculated.

Props janthiel, A5hleyRich, batmoo.
Fixes #19879.


git-svn-id: https://develop.svn.wordpress.org/trunk@49212 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Helen Hou-Sandi
2020-10-19 21:49:58 +00:00
parent 052ac08385
commit 80329c379a
4 changed files with 337 additions and 34 deletions
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tests/phpunit/tests/multisite/dirsizeCache.php
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<?php
if ( is_multisite() ) :
/**
* Tests specific to the dirsize caching in multisites
*
* @group multisite
*/
class Tests_Multisite_Dirsize_Cache extends WP_UnitTestCase {
protected $suppress = false;
function setUp() {
global $wpdb;
parent::setUp();
$this->suppress = $wpdb->suppress_errors();
}
function tearDown() {
global $wpdb;
$wpdb->suppress_errors( $this->suppress );
parent::tearDown();
}
/*
* Test whether the values from the dirsize_cache will be used correctly using a more complex dirsize cache mock
*/
function test_get_dirsize_cache_in_recurse_dirsize_mock() {
$blog_id = self::factory()->blog->create();
switch_to_blog( $blog_id );
// Our comparison of space relies on an initial value of 0. If a previous test has failed or if the
// src directory already contains a content directory with site content, then the initial expectation
// will be polluted. We create sites until an empty one is available.
while ( 0 !== get_space_used() ) {
restore_current_blog();
$blog_id = self::factory()->blog->create();
switch_to_blog( $blog_id );
}
// Clear the dirsize_cache
delete_transient( 'dirsize_cache' );
// Set the dirsize cache to our mock
set_transient( 'dirsize_cache', $this->_get_mock_dirsize_cache_for_site( $blog_id ) );
$upload_dir = wp_upload_dir();
// Check recurse_dirsize against the mock. The cache should match
$this->assertSame( 21, recurse_dirsize( $upload_dir['basedir'] . '/2/1' ) );
$this->assertSame( 22, recurse_dirsize( $upload_dir['basedir'] . '/2/2' ) );
$this->assertSame( 2, recurse_dirsize( $upload_dir['basedir'] . '/2' ) );
$this->assertSame( 11, recurse_dirsize( $upload_dir['basedir'] . '/1/1' ) );
$this->assertSame( 12, recurse_dirsize( $upload_dir['basedir'] . '/1/2' ) );
$this->assertSame( 13, recurse_dirsize( $upload_dir['basedir'] . '/1/3' ) );
$this->assertSame( 1, recurse_dirsize( $upload_dir['basedir'] . '/1' ) );
$this->assertSame( 42, recurse_dirsize( $upload_dir['basedir'] . '/custom_directory' ) );
// No cache match, upload folder should be empty and return 0
$this->assertSame( 0, recurse_dirsize( $upload_dir['basedir'] ) );
// No cache match on non existing folder should return false
$this->assertSame( false, recurse_dirsize( $upload_dir['basedir'] . '/does_not_exist' ) );
// Cleanup
$this->remove_added_uploads();
restore_current_blog();
}
/*
* Test whether the invalidation of the dirsize_cache works
* Given a file path as input
*/
function test_invalidate_dirsize_cache_file_input_mock() {
$blog_id = self::factory()->blog->create();
switch_to_blog( $blog_id );
// Our comparison of space relies on an initial value of 0. If a previous test has failed or if the
// src directory already contains a content directory with site content, then the initial expectation
// will be polluted. We create sites until an empty one is available.
while ( 0 !== get_space_used() ) {
restore_current_blog();
$blog_id = self::factory()->blog->create();
switch_to_blog( $blog_id );
}
$upload_dir = wp_upload_dir();
$cache_key_prefix = normalize_dirsize_cache_path( $upload_dir['basedir'] );
// Clear the dirsize_cache
delete_transient( 'dirsize_cache' );
// Set the dirsize cache to our mock
set_transient( 'dirsize_cache', $this->_get_mock_dirsize_cache_for_site( $blog_id ) );
$this->assertSame( true, array_key_exists( $cache_key_prefix . '/1/1', get_transient( 'dirsize_cache' ) ) );
$this->assertSame( true, array_key_exists( $cache_key_prefix . '/2/1', get_transient( 'dirsize_cache' ) ) );
$this->assertSame( true, array_key_exists( $cache_key_prefix . '/2', get_transient( 'dirsize_cache' ) ) );
// Invalidation should also respect the directory tree up
// Should work fine with path to folder OR file
invalidate_dirsize_cache( $upload_dir['basedir'] . '/2/1/file.dummy' );
$this->assertSame( false, array_key_exists( $cache_key_prefix . '/2/1', get_transient( 'dirsize_cache' ) ) );
$this->assertSame( false, array_key_exists( $cache_key_prefix . '/2', get_transient( 'dirsize_cache' ) ) );
// Other cache paths should not be invalidated
$this->assertSame( true, array_key_exists( $cache_key_prefix . '/1/1', get_transient( 'dirsize_cache' ) ) );
// Cleanup
$this->remove_added_uploads();
restore_current_blog();
}
/*
* Test whether the invalidation of the dirsize_cache works
* Given a folder path as input
*/
function test_invalidate_dirsize_cache_folder_input_mock() {
$blog_id = self::factory()->blog->create();
switch_to_blog( $blog_id );
// Our comparison of space relies on an initial value of 0. If a previous test has failed or if the
// src directory already contains a content directory with site content, then the initial expectation
// will be polluted. We create sites until an empty one is available.
while ( 0 !== get_space_used() ) {
restore_current_blog();
$blog_id = self::factory()->blog->create();
switch_to_blog( $blog_id );
}
$upload_dir = wp_upload_dir();
$cache_key_prefix = normalize_dirsize_cache_path( $upload_dir['basedir'] );
// Clear the dirsize_cache
delete_transient( 'dirsize_cache' );
// Set the dirsize cache to our mock
set_transient( 'dirsize_cache', $this->_get_mock_dirsize_cache_for_site( $blog_id ) );
$this->assertSame( true, array_key_exists( $cache_key_prefix . '/1/1', get_transient( 'dirsize_cache' ) ) );
$this->assertSame( true, array_key_exists( $cache_key_prefix . '/2/1', get_transient( 'dirsize_cache' ) ) );
$this->assertSame( true, array_key_exists( $cache_key_prefix . '/2', get_transient( 'dirsize_cache' ) ) );
// Invalidation should also respect the directory tree up
// Should work fine with path to folder OR file
invalidate_dirsize_cache( $upload_dir['basedir'] . '/2/1' );
$this->assertSame( false, array_key_exists( $cache_key_prefix . '/2/1', get_transient( 'dirsize_cache' ) ) );
$this->assertSame( false, array_key_exists( $cache_key_prefix . '/2', get_transient( 'dirsize_cache' ) ) );
// Other cache paths should not be invalidated
$this->assertSame( true, array_key_exists( $cache_key_prefix . '/1/1', get_transient( 'dirsize_cache' ) ) );
// Cleanup
$this->remove_added_uploads();
restore_current_blog();
}
/**
* Test whether the values from the dirsize_cache will be used correctly using a simple real upload
*/
function test_get_dirsize_cache_in_recurse_dirsize_upload() {
$blog_id = self::factory()->blog->create();
switch_to_blog( $blog_id );
// Our comparison of space relies on an initial value of 0. If a previous test has failed or if the
// src directory already contains a content directory with site content, then the initial expectation
// will be polluted. We create sites until an empty one is available.
while ( 0 !== get_space_used() ) {
restore_current_blog();
$blog_id = self::factory()->blog->create();
switch_to_blog( $blog_id );
}
// Clear the dirsize_cache
delete_transient( 'dirsize_cache' );
$upload_dir = wp_upload_dir();
$this->assertSame( 0, recurse_dirsize( $upload_dir['path'] ) );
// Upload a file to the new site using wp_upload_bits.
$filename = __FUNCTION__ . '.jpg';
$contents = __FUNCTION__ . '_contents';
$file = wp_upload_bits( $filename, null, $contents );
$calc_size = recurse_dirsize( $upload_dir['path'] );
$size = filesize( $file['file'] );
$this->assertSame( $size, $calc_size );
// dirsize_cache should now be filled after upload and recurse_dirsize call
$cache_path = normalize_dirsize_cache_path( $upload_dir['path'] );
$this->assertSame( true, is_array( get_transient( 'dirsize_cache' ) ) );
$this->assertSame( $size, get_transient( 'dirsize_cache' )[ $cache_path ] );
// Cleanup
$this->remove_added_uploads();
restore_current_blog();
}
/*
* Test whether the filter to calculate space for an existing directory works as expected
*/
function test_recurse_dirsize_calculate_current_dirsize_filter() {
add_filter( 'calculate_current_dirsize', array( $this, '_filter_calculate_current_dirsize' ) );
$upload_dir = wp_upload_dir();
$this->assertSame( 1042, recurse_dirsize( $upload_dir['path'] ) );
remove_filter( 'calculate_current_dirsize', array( $this, '_filter_calculate_current_dirsize' ) );
}
function _filter_calculate_current_dirsize() {
return 1042;
}
function _get_mock_dirsize_cache_for_site( $site_id ) {
return array(
"wp-content/uploads/sites/$site_id/2/2" => 22,
"wp-content/uploads/sites/$site_id/2/1" => 21,
"wp-content/uploads/sites/$site_id/2" => 2,
"wp-content/uploads/sites/$site_id/1/3" => 13,
"wp-content/uploads/sites/$site_id/1/2" => 12,
"wp-content/uploads/sites/$site_id/1/1" => 11,
"wp-content/uploads/sites/$site_id/1" => 1,
"wp-content/uploads/sites/$site_id/custom_directory" => 42,
);
}
}
endif;