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<?php |
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|
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/** Run only through wp eval-file against the local wp-env installation. */ |
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function sa_assert($condition, string $message): void |
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{ |
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if (! $condition) throw new RuntimeException($message); |
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} |
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|
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function sa_with_isolated_options(callable $test): void |
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{ |
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global $wpdb, $wp_object_cache; |
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|
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sa_assert(! wp_using_ext_object_cache(), 'Regression tests require the default object cache.'); |
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$originalTable = $wpdb->options; |
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$originalCache = $wp_object_cache; |
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$table = 'sa_regression_options'; |
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$guard = static function ($sql) use ($table) { |
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if (! preg_match('/^\s*(SELECT|SHOW|DESCRIBE|EXPLAIN)\b/i', $sql) && strpos($sql, $table) === false) { |
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throw new RuntimeException('Refusing a write outside the temporary test table.'); |
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} |
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return $sql; |
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}; |
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add_filter('query', $guard, 9999); |
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|
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try { |
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sa_assert($wpdb->query("CREATE TEMPORARY TABLE $table LIKE $originalTable") !== false, $wpdb->last_error); |
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sa_assert($wpdb->query("INSERT INTO $table SELECT * FROM $originalTable") !== false, $wpdb->last_error); |
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$wpdb->options = $table; |
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$wp_object_cache = new WP_Object_Cache(); |
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wp_cache_switch_to_blog(get_current_blog_id()); |
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$test(); |
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echo "Regression checks passed\n"; |
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} finally { |
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$wpdb->options = $originalTable; |
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$wp_object_cache = $originalCache; |
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remove_filter('query', $guard, 9999); |
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} |
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// The database connection automatically drops the temporary table on exit. |
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} |
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|
