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Options, Meta APIs: Prevent unnecessary database updates caused by strict comparisons in update_network_option.

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Previously, in the update_network_option function, strict comparisons between old and new values could erroneously trigger updates in cases where there was no actual change in values. Building upon the groundwork laid in #22192, this commit introduces the use of the _is_equal_database_value function to accurately compare values before initiating any database updates. This change ensures consistency between the behaviors of `update_option` and `update_network_option`.

Furthermore, we have incorporated similar workarounds that were previously implemented in [56717]. These changes ensure that the raw version of network option values is considered in the comparisons, enhancing the overall reliability of the update process.

Props mukesh27, flixos90, joemcgill, costdev, spacedmonkey.
Fixes #59360.

git-svn-id: https://develop.svn.wordpress.org/trunk@56814 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Jonny Harris
2023-10-10 09:35:09 +00:00
parent c300c89f54
commit 94d2f4e68b
2 changed files with 236 additions and 25 deletions
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187
tests/phpunit/tests/option/networkOption.php
View File

@@ -399,7 +399,7 @@ class Tests_Option_NetworkOption extends WP_UnitTestCase {
* @param mixed $old_value The old value.
* @param mixed $new_value The new value to try to set.
*/
public function test_update_option_should_not_update_some_values_from_cache( $old_value, $new_value ) {
public function test_update_network_option_should_not_update_some_values_from_cache( $old_value, $new_value ) {
add_network_option( null, 'foo', $old_value );
$num_queries = get_num_queries();
@@ -407,9 +407,7 @@ class Tests_Option_NetworkOption extends WP_UnitTestCase {
// Comparison will happen against value cached during add_option() above.
$updated = update_network_option( null, 'foo', $new_value );
$expected_queries = $old_value === $new_value || ! is_multisite() ? 0 : 1;
$this->assertSame( $expected_queries, get_num_queries() - $num_queries, "The number of queries should have increased by $expected_queries." );
$this->assertSame( $num_queries, get_num_queries(), 'No additional queries should have run.' );
$this->assertFalse( $updated, 'update_network_option() should have returned false.' );
}
@@ -441,14 +439,7 @@ class Tests_Option_NetworkOption extends WP_UnitTestCase {
$updated = update_network_option( null, 'foo', $new_value );
// Mimic the behavior of the database by casting the old value to string.
if ( is_scalar( $old_value ) ) {
$old_value = (string) $old_value;
}
$expected_queries = $old_value === $new_value || ! is_multisite() ? 1 : 2;
$this->assertSame( $expected_queries, get_num_queries() - $num_queries, "The number of queries should have increased by $expected_queries." );
$this->assertSame( 1, get_num_queries() - $num_queries, 'One additional query should have run to update the value.' );
$this->assertFalse( $updated, 'update_network_option() should have returned false.' );
}
@@ -480,9 +471,7 @@ class Tests_Option_NetworkOption extends WP_UnitTestCase {
* Strictly equal old and new values will cause an early return
* with no additional queries.
*/
$expected_queries = $old_value === $new_value || ! is_multisite() ? 0 : 1;
$this->assertSame( $expected_queries, get_num_queries() - $num_queries, "The number of queries should have increased by $expected_queries." );
$this->assertSame( $num_queries, get_num_queries(), 'No additional queries should have run.' );
$this->assertFalse( $updated, 'update_network_option() should have returned false.' );
}
@@ -574,7 +563,7 @@ class Tests_Option_NetworkOption extends WP_UnitTestCase {
*
* @covers ::update_network_option
*/
public function test_update_option_should_handle_a_null_new_value_from_cache() {
public function test_update_network_option_should_handle_a_null_new_value_from_cache() {
add_network_option( null, 'foo', '' );
$num_queries = get_num_queries();
@@ -606,7 +595,7 @@ class Tests_Option_NetworkOption extends WP_UnitTestCase {
*
* @covers ::update_network_option
*/
public function test_update_option_should_handle_a_null_new_value_from_db() {
public function test_update_network_option_should_handle_a_null_new_value_from_db() {
add_network_option( null, 'foo', '' );
$num_queries = get_num_queries();
@@ -642,7 +631,7 @@ class Tests_Option_NetworkOption extends WP_UnitTestCase {
*
* @covers ::update_network_option
*/
public function test_update_option_should_handle_a_null_new_value_from_refreshed_cache() {
public function test_update_network_option_should_handle_a_null_new_value_from_refreshed_cache() {
add_network_option( null, 'foo', '' );
// Delete and refresh cache from DB.
@@ -699,4 +688,166 @@ class Tests_Option_NetworkOption extends WP_UnitTestCase {
'null' => array( null ),
);
}
/**
* Tests that a non-existent option is added even when its pre filter returns a value.
*
* @ticket 59360
*
* @covers ::update_network_option
*/
public function test_update_network_option_with_pre_filter_adds_missing_option() {
$hook_name = is_multisite() ? 'pre_site_option_foo' : 'pre_option_foo';
// Force a return value of integer 0.
add_filter( $hook_name, '__return_zero' );
/*
* This should succeed, since the 'foo' option does not exist in the database.
* The default value is false, so it differs from 0.
*/
$this->assertTrue( update_network_option( null, 'foo', 0 ) );
}
/**
* Tests that an existing option is updated even when its pre filter returns the same value.
*
* @ticket 59360
*
* @covers ::update_network_option
*/
public function test_update_network_option_with_pre_filter_updates_option_with_different_value() {
$hook_name = is_multisite() ? 'pre_site_option_foo' : 'pre_option_foo';
// Add the option with a value of 1 to the database.
update_network_option( null, 'foo', 1 );
// Force a return value of integer 0.
add_filter( $hook_name, '__return_zero' );
/*
* This should succeed, since the 'foo' option has a value of 1 in the database.
* Therefore it differs from 0 and should be updated.
*/
$this->assertTrue( update_network_option( null, 'foo', 0 ) );
}
/**
* Tests that calling update_network_option() does not permanently remove pre filters.
*
* @ticket 59360
*
* @covers ::update_network_option
*/
public function test_update_network_option_maintains_pre_filters() {
$hook_name = is_multisite() ? 'pre_site_option_foo' : 'pre_option_foo';
add_filter( $hook_name, '__return_zero' );
update_network_option( null, 'foo', 0 );
// Assert that the filter is still present.
$this->assertSame( 10, has_filter( $hook_name, '__return_zero' ) );
}
/**
* Tests that update_network_option() conditionally applies
* 'pre_site_option_{$option}' and 'pre_option_{$option}' filters.
*
* @ticket 59360
*
* @covers ::update_network_option
*/
public function test_update_network_option_should_conditionally_apply_pre_site_option_and_pre_option_filters() {
$option = 'foo';
$site_hook = new MockAction();
$option_hook = new MockAction();
add_filter( "pre_site_option_{$option}", array( $site_hook, 'filter' ) );
add_filter( "pre_option_{$option}", array( $option_hook, 'filter' ) );
update_network_option( null, $option, 'false' );
$this->assertSame( 1, $site_hook->get_call_count(), "'pre_site_option_{$option}' filters occurred an unexpected number of times." );
$this->assertSame( is_multisite() ? 0 : 1, $option_hook->get_call_count(), "'pre_option_{$option}' filters occurred an unexpected number of times." );
}
/**
* Tests that update_network_option() conditionally applies
* 'default_site_{$option}' and 'default_option_{$option}' filters.
*
* @ticket 59360
*
* @covers ::update_network_option
*/
public function test_update_network_option_should_conditionally_apply_site_and_option_default_value_filters() {
$option = 'foo';
$site_hook = new MockAction();
$option_hook = new MockAction();
add_filter( "default_site_option_{$option}", array( $site_hook, 'filter' ) );
add_filter( "default_option_{$option}", array( $option_hook, 'filter' ) );
update_network_option( null, $option, 'false' );
$this->assertSame( 2, $site_hook->get_call_count(), "'default_site_option_{$option}' filters occurred an unexpected number of times." );
$this->assertSame( is_multisite() ? 0 : 2, $option_hook->get_call_count(), "'default_option_{$option}' filters occurred an unexpected number of times." );
}
/**
* Tests that update_network_option() adds a non-existent option that uses a filtered default value.
*
* @ticket 59360
*
* @covers ::update_network_option
*/
public function test_update_network_option_should_add_option_with_filtered_default_value() {
global $wpdb;
$option = 'foo';
$default_site_value = 'default-site-value';
$default_option_value = 'default-option-value';
add_filter(
"default_site_option_{$option}",
static function () use ( $default_site_value ) {
return $default_site_value;
}
);
add_filter(
"default_option_{$option}",
static function () use ( $default_option_value ) {
return $default_option_value;
}
);
/*
* For a non existing option with the unfiltered default of false, passing false here wouldn't work.
* Because the default is different than false here though, passing false is expected to result in
* a database update.
*/
$this->assertTrue( update_network_option( null, $option, false ), 'update_network_option() should have returned true.' );
if ( is_multisite() ) {
$actual = $wpdb->get_row(
$wpdb->prepare(
"SELECT meta_value FROM $wpdb->sitemeta WHERE meta_key = %s LIMIT 1",
$option
)
);
} else {
$actual = $wpdb->get_row(
$wpdb->prepare(
"SELECT option_value FROM $wpdb->options WHERE option_name = %s LIMIT 1",
$option
)
);
}
$value_field = is_multisite() ? 'meta_value' : 'option_value';
$this->assertIsObject( $actual, 'The option was not added to the database.' );
$this->assertObjectHasProperty( $value_field, $actual, "The '$value_field' property was not included." );
$this->assertSame( '', $actual->$value_field, 'The new value was not stored in the database.' );
}
}