/**

public function testPluggableFunctionSignaturesMatch( $function ) {

$signatures = $this->getPluggableFunctionSignatures();

$this->assertTrue( function_exists( $function ) );

$this->assertArrayHasKey( $function, $signatures );

$function_ref = new ReflectionFunction( $function );

$param_refs = $function_ref->getParameters();

$this->assertSame( count( $signatures[ $function ] ), count( $param_refs ) );

$i = 0;

foreach ( $signatures[ $function ] as $name => $value ) {

$param_ref = $param_refs[ $i ];

$msg = 'Parameter: ' . $param_ref->getName();

if ( is_numeric( $name ) ) {

$name = $value;

$this->assertFalse( $param_ref->isOptional(), $msg );

} else {

$this->assertTrue( $param_ref->isOptional(), $msg );

$this->assertSame( $value, $param_ref->getDefaultValue(), $msg );

}

$this->assertSame( $name, $param_ref->getName(), $msg );

$i++;

}

}

/**

public function testAllPluggableFunctionsExist() {

$defined = wp_list_pluck( $this->getDefinedPluggableFunctions(), 0 );

$expected = $this->getPluggableFunctionSignatures();

foreach ( $expected as $function => $sig ) {

$msg = 'Function: ' . $function . '()';

$this->assertTrue( function_exists( $function ), $msg );

$this->assertTrue( in_array( $function, $defined, true ), $msg );

}

}

/**

public function getDefinedPluggableFunctions() {

require_once ABSPATH . '/wp-admin/includes/upgrade.php';

$test_functions = array(

'install_network',

'wp_install',

'wp_install_defaults',

'wp_new_blog_notification',

'wp_upgrade',

'install_global_terms',

);

$test_files = array(

'wp-includes/pluggable.php',

);

// Pluggable function signatures are not tested when an external object cache is in use. #31491

if ( ! wp_using_ext_object_cache() ) {

$test_files[] = 'wp-includes/cache.php';

}

$data = array();

foreach ( $test_functions as $function ) {

$data[] = array(

$function

);

}

foreach ( $test_files as $file ) {

preg_match_all( '#^function (\w+)#m', file_get_contents( ABSPATH . '/' . $file ), $functions );

foreach ( $functions[1] as $function ) {

$data[] = array(

$function

);

}

}

return $data;

}

/**

public function getPluggableFunctionSignatures() {

$signatures = array(

// wp-includes/pluggable.php:

'wp_set_current_user' => array( 'id', 'name' => '' ),

'wp_get_current_user' => array(),

'get_userdata' => array( 'user_id' ),

'get_user_by' => array( 'field', 'value' ),

'cache_users' => array( 'user_ids' ),

'wp_mail' => array( 'to', 'subject', 'message', 'headers' => '', 'attachments' => array() ),

'wp_authenticate' => array( 'username', 'password' ),

'wp_logout' => array(),

'wp_validate_auth_cookie' => array( 'cookie' => '', 'scheme' => '' ),

'wp_generate_auth_cookie' => array( 'user_id', 'expiration', 'scheme' => 'auth', 'token' => '' ),

'wp_parse_auth_cookie' => array( 'cookie' => '', 'scheme' => '' ),

'wp_set_auth_cookie' => array( 'user_id', 'remember' => false, 'secure' => '', 'token' => '' ),

'wp_clear_auth_cookie' => array(),

'is_user_logged_in' => array(),

'auth_redirect' => array(),

'check_admin_referer' => array( 'action' => -1, 'query_arg' => '_wpnonce' ),

'check_ajax_referer' => array( 'action' => -1, 'query_arg' => false, 'die' => true ),

'wp_redirect' => array( 'location', 'status' => 302 ),

'wp_sanitize_redirect' => array( 'location' ),

'_wp_sanitize_utf8_in_redirect' => array( 'matches' ),

'wp_safe_redirect' => array( 'location', 'status' => 302 ),

'wp_validate_redirect' => array( 'location', 'default' => '' ),

'wp_notify_postauthor' => array( 'comment_id', 'deprecated' => null ),

'wp_notify_moderator' => array( 'comment_id' ),

'wp_password_change_notification' => array( 'user' ),

'wp_new_user_notification' => array( 'user_id', 'deprecated' => null, 'notify' => '' ),

'wp_nonce_tick' => array(),

'wp_verify_nonce' => array( 'nonce', 'action' => -1 ),

'wp_create_nonce' => array( 'action' => -1 ),

'wp_salt' => array( 'scheme' => 'auth' ),

'wp_hash' => array( 'data', 'scheme' => 'auth' ),

'wp_hash_password' => array( 'password' ),

'wp_check_password' => array( 'password', 'hash', 'user_id' => '' ),

'wp_generate_password' => array( 'length' => 12, 'special_chars' => true, 'extra_special_chars' => false ),

'wp_rand' => array( 'min' => 0, 'max' => 0 ),

'wp_set_password' => array( 'password', 'user_id' ),

'get_avatar' => array( 'id_or_email', 'size' => 96, 'default' => '', 'alt' => '', 'args' => null ),

'wp_text_diff' => array( 'left_string', 'right_string', 'args' => null ),

// wp-admin/includes/schema.php:

'install_network' => array(),

// wp-admin/includes/upgrade.php:

'wp_install' => array( 'blog_title', 'user_name', 'user_email', 'public', 'deprecated' => '', 'user_password' => '', 'language' => '' ),

'wp_install_defaults' => array( 'user_id' ),

'wp_new_blog_notification' => array( 'blog_title', 'blog_url', 'user_id', 'password' ),

'wp_upgrade' => array(),

'install_global_terms' => array(),

);

// Pluggable function signatures are not tested when an external object cache is in use. #31491

if ( ! wp_using_ext_object_cache() ) {

$signatures = array_merge( $signatures, array(

// wp-includes/cache.php:

'wp_cache_add' => array( 'key', 'data', 'group' => '', 'expire' => 0 ),

'wp_cache_close' => array(),

'wp_cache_decr' => array( 'key', 'offset' => 1, 'group' => '' ),

'wp_cache_delete' => array( 'key', 'group' => '' ),

'wp_cache_flush' => array(),

'wp_cache_get' => array( 'key', 'group' => '', 'force' => false, 'found' => null ),

'wp_cache_incr' => array( 'key', 'offset' => 1, 'group' => '' ),

'wp_cache_init' => array(),

'wp_cache_replace' => array( 'key', 'data', 'group' => '', 'expire' => 0 ),

'wp_cache_set' => array( 'key', 'data', 'group' => '', 'expire' => 0 ),

'wp_cache_switch_to_blog' => array( 'blog_id' ),

'wp_cache_add_global_groups' => array( 'groups' ),

'wp_cache_add_non_persistent_groups' => array( 'groups' ),

'wp_cache_reset' => array(),

) );

}

return $signatures;

}