480 lines
12 KiB
PHP
480 lines
12 KiB
PHP
<?php
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// misc help functions and utilities
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function rand_str($len=32) {
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return substr(md5(uniqid(rand())), 0, $len);
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}
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function rand_long_str( $length ) {
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$chars = 'abcdefghijklmnopqrstuvwxyz';
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$string = '';
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for ( $i = 0; $i < $length; $i++ ) {
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$rand = rand( 0, strlen( $chars ) - 1 );
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$string .= substr( $chars, $rand, 1 );
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}
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return $string;
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}
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// strip leading and trailing whitespace from each line in the string
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function strip_ws($txt) {
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$lines = explode("\n", $txt);
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$result = array();
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foreach ($lines as $line)
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if (trim($line))
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$result[] = trim($line);
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return trim(join("\n", $result));
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}
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// helper class for testing code that involves actions and filters
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// typical use:
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// $ma = new MockAction();
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// add_action('foo', array(&$ma, 'action'));
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class MockAction {
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var $events;
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var $debug;
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/**
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* PHP5 constructor.
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*/
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function __construct( $debug = 0 ) {
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$this->reset();
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$this->debug = $debug;
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}
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function reset() {
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$this->events = array();
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}
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function current_filter() {
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if (is_callable('current_filter'))
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return current_filter();
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global $wp_actions;
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return end($wp_actions);
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}
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function action($arg) {
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if ($this->debug) dmp(__FUNCTION__, $this->current_filter());
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$args = func_get_args();
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$this->events[] = array('action' => __FUNCTION__, 'tag'=>$this->current_filter(), 'args'=>$args);
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return $arg;
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}
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function action2($arg) {
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if ($this->debug) dmp(__FUNCTION__, $this->current_filter());
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$args = func_get_args();
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$this->events[] = array('action' => __FUNCTION__, 'tag'=>$this->current_filter(), 'args'=>$args);
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return $arg;
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}
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function filter($arg) {
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if ($this->debug) dmp(__FUNCTION__, $this->current_filter());
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$args = func_get_args();
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$this->events[] = array('filter' => __FUNCTION__, 'tag'=>$this->current_filter(), 'args'=>$args);
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return $arg;
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}
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function filter2($arg) {
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if ($this->debug) dmp(__FUNCTION__, $this->current_filter());
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$args = func_get_args();
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$this->events[] = array('filter' => __FUNCTION__, 'tag'=>$this->current_filter(), 'args'=>$args);
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return $arg;
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}
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function filter_append($arg) {
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if ($this->debug) dmp(__FUNCTION__, $this->current_filter());
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$args = func_get_args();
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$this->events[] = array('filter' => __FUNCTION__, 'tag'=>$this->current_filter(), 'args'=>$args);
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return $arg . '_append';
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}
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function filterall($tag, $arg=NULL) {
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// this one doesn't return the result, so it's safe to use with the new 'all' filter
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if ($this->debug) dmp(__FUNCTION__, $this->current_filter());
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$args = func_get_args();
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$this->events[] = array('filter' => __FUNCTION__, 'tag'=>$tag, 'args'=>array_slice($args, 1));
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}
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// return a list of all the actions, tags and args
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function get_events() {
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return $this->events;
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}
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// return a count of the number of times the action was called since the last reset
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function get_call_count($tag='') {
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if ($tag) {
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$count = 0;
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foreach ($this->events as $e)
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if ($e['action'] == $tag)
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++$count;
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return $count;
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}
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return count($this->events);
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}
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// return an array of the tags that triggered calls to this action
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function get_tags() {
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$out = array();
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foreach ($this->events as $e) {
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$out[] = $e['tag'];
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}
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return $out;
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}
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// return an array of args passed in calls to this action
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function get_args() {
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$out = array();
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foreach ($this->events as $e)
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$out[] = $e['args'];
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return $out;
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}
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}
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// convert valid xml to an array tree structure
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// kinda lame but it works with a default php 4 install
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class testXMLParser {
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var $xml;
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var $data = array();
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/**
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* PHP5 constructor.
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*/
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function __construct( $in ) {
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$this->xml = xml_parser_create();
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xml_set_object($this->xml, $this);
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xml_parser_set_option($this->xml,XML_OPTION_CASE_FOLDING, 0);
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xml_set_element_handler($this->xml, array($this, 'startHandler'), array($this, 'endHandler'));
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xml_set_character_data_handler($this->xml, array($this, 'dataHandler'));
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$this->parse($in);
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}
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function parse($in) {
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$parse = xml_parse($this->xml, $in, sizeof($in));
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if (!$parse) {
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trigger_error(sprintf("XML error: %s at line %d",
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xml_error_string(xml_get_error_code($this->xml)),
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xml_get_current_line_number($this->xml)), E_USER_ERROR);
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xml_parser_free($this->xml);
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}
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return true;
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}
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function startHandler($parser, $name, $attributes) {
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$data['name'] = $name;
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if ($attributes) { $data['attributes'] = $attributes; }
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$this->data[] = $data;
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}
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function dataHandler($parser, $data) {
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$index = count($this->data) - 1;
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@$this->data[$index]['content'] .= $data;
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}
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function endHandler($parser, $name) {
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if (count($this->data) > 1) {
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$data = array_pop($this->data);
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$index = count($this->data) - 1;
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$this->data[$index]['child'][] = $data;
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}
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}
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}
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function xml_to_array($in) {
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$p = new testXMLParser($in);
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return $p->data;
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}
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function xml_find($tree /*, $el1, $el2, $el3, .. */) {
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$a = func_get_args();
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$a = array_slice($a, 1);
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$n = count($a);
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$out = array();
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if ($n < 1)
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return $out;
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for ($i=0; $i<count($tree); $i++) {
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# echo "checking '{$tree[$i][name]}' == '{$a[0]}'\n";
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# var_dump($tree[$i]['name'], $a[0]);
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if ($tree[$i]['name'] == $a[0]) {
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# echo "n == {$n}\n";
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if ($n == 1)
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$out[] = $tree[$i];
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else {
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$subtree =& $tree[$i]['child'];
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$call_args = array($subtree);
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$call_args = array_merge($call_args, array_slice($a, 1));
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$out = array_merge($out, call_user_func_array('xml_find', $call_args));
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}
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}
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}
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return $out;
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}
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function xml_join_atts($atts) {
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$a = array();
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foreach ($atts as $k=>$v)
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$a[] = $k.'="'.$v.'"';
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return join(' ', $a);
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}
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function xml_array_dumbdown(&$data) {
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$out = array();
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foreach (array_keys($data) as $i) {
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$name = $data[$i]['name'];
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if (!empty($data[$i]['attributes']))
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$name .= ' '.xml_join_atts($data[$i]['attributes']);
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if (!empty($data[$i]['child'])) {
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$out[$name][] = xml_array_dumbdown($data[$i]['child']);
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}
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else
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$out[$name] = $data[$i]['content'];
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}
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return $out;
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}
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function dmp() {
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$args = func_get_args();
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foreach ($args as $thing)
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echo (is_scalar($thing) ? strval($thing) : var_export($thing, true)), "\n";
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}
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function dmp_filter($a) {
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dmp($a);
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return $a;
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}
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function get_echo($callable, $args = array()) {
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ob_start();
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call_user_func_array($callable, $args);
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return ob_get_clean();
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}
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// recursively generate some quick assertEquals tests based on an array
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function gen_tests_array($name, $array) {
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$out = array();
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foreach ($array as $k=>$v) {
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if (is_numeric($k))
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$index = strval($k);
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else
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$index = "'".addcslashes($k, "\n\r\t'\\")."'";
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if (is_string($v)) {
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$out[] = '$this->assertEquals( \'' . addcslashes($v, "\n\r\t'\\") . '\', $'.$name.'['.$index.'] );';
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}
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elseif (is_numeric($v)) {
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$out[] = '$this->assertEquals( ' . $v . ', $'.$name.'['.$index.'] );';
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}
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elseif (is_array($v)) {
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$out[] = gen_tests_array("{$name}[{$index}]", $v);
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}
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}
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return join("\n", $out)."\n";
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}
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/**
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* Use to create objects by yourself
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*/
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class MockClass {};
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/**
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* Drops all tables from the WordPress database
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*/
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function drop_tables() {
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global $wpdb;
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$tables = $wpdb->get_col('SHOW TABLES;');
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foreach ($tables as $table)
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$wpdb->query("DROP TABLE IF EXISTS {$table}");
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}
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function print_backtrace() {
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$bt = debug_backtrace();
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echo "Backtrace:\n";
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$i = 0;
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foreach ($bt as $stack) {
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echo ++$i, ": ";
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if ( isset($stack['class']) )
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echo $stack['class'].'::';
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if ( isset($stack['function']) )
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echo $stack['function'].'() ';
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echo "line {$stack[line]} in {$stack[file]}\n";
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}
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echo "\n";
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}
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// mask out any input fields matching the given name
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function mask_input_value($in, $name='_wpnonce') {
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return preg_replace('@<input([^>]*) name="'.preg_quote($name).'"([^>]*) value="[^>]*" />@', '<input$1 name="'.preg_quote($name).'"$2 value="***" />', $in);
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}
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if ( !function_exists( 'str_getcsv' ) ) {
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function str_getcsv( $input, $delimiter = ',', $enclosure = '"', $escape = "\\" ) {
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$fp = fopen( 'php://temp/', 'r+' );
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fputs( $fp, $input );
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rewind( $fp );
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$data = fgetcsv( $fp, strlen( $input ), $delimiter, $enclosure );
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fclose( $fp );
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return $data;
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}
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}
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/**
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* Removes the post type and its taxonomy associations.
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*/
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function _unregister_post_type( $cpt_name ) {
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unregister_post_type( $cpt_name );
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}
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function _unregister_taxonomy( $taxonomy_name ) {
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unregister_taxonomy( $taxonomy_name );
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}
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/**
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* Unregister a post status.
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*
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* @since 4.2.0
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*
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* @param string $status
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*/
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function _unregister_post_status( $status ) {
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unset( $GLOBALS['wp_post_statuses'][ $status ] );
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}
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function _cleanup_query_vars() {
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// clean out globals to stop them polluting wp and wp_query
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foreach ( $GLOBALS['wp']->public_query_vars as $v )
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unset( $GLOBALS[$v] );
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foreach ( $GLOBALS['wp']->private_query_vars as $v )
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unset( $GLOBALS[$v] );
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foreach ( get_taxonomies( array() , 'objects' ) as $t ) {
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if ( $t->publicly_queryable && ! empty( $t->query_var ) )
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$GLOBALS['wp']->add_query_var( $t->query_var );
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}
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foreach ( get_post_types( array() , 'objects' ) as $t ) {
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if ( is_post_type_viewable( $t ) && ! empty( $t->query_var ) )
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$GLOBALS['wp']->add_query_var( $t->query_var );
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}
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}
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function _clean_term_filters() {
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remove_filter( 'get_terms', array( 'Featured_Content', 'hide_featured_term' ), 10, 2 );
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remove_filter( 'get_the_terms', array( 'Featured_Content', 'hide_the_featured_term' ), 10, 3 );
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}
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/**
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* Special class for exposing protected wpdb methods we need to access
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*/
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class wpdb_exposed_methods_for_testing extends wpdb {
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public function __construct() {
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global $wpdb;
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$this->dbh = $wpdb->dbh;
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$this->use_mysqli = $wpdb->use_mysqli;
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$this->is_mysql = $wpdb->is_mysql;
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$this->ready = true;
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$this->field_types = $wpdb->field_types;
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$this->charset = $wpdb->charset;
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$this->dbuser = $wpdb->dbuser;
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$this->dbpassword = $wpdb->dbpassword;
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$this->dbname = $wpdb->dbname;
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$this->dbhost = $wpdb->dbhost;
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}
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public function __call( $name, $arguments ) {
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return call_user_func_array( array( $this, $name ), $arguments );
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}
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}
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/**
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* Determine approximate backtrack count when running PCRE.
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*
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* @return int The backtrack count.
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*/
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function benchmark_pcre_backtracking( $pattern, $subject, $strategy ) {
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$saved_config = ini_get( 'pcre.backtrack_limit' );
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// Attempt to prevent PHP crashes. Adjust these lower when needed.
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if ( version_compare( phpversion(), '5.4.8', '>' ) ) {
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$limit = 1000000;
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} else {
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$limit = 20000; // 20,000 is a reasonable upper limit, but see also https://core.trac.wordpress.org/ticket/29557#comment:10
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}
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// Start with small numbers, so if a crash is encountered at higher numbers we can still debug the problem.
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for( $i = 4; $i <= $limit; $i *= 2 ) {
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ini_set( 'pcre.backtrack_limit', $i );
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switch( $strategy ) {
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case 'split':
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preg_split( $pattern, $subject );
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break;
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case 'match':
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preg_match( $pattern, $subject );
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break;
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case 'match_all':
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$matches = array();
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preg_match_all( $pattern, $subject, $matches );
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break;
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}
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ini_set( 'pcre.backtrack_limit', $saved_config );
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switch( preg_last_error() ) {
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case PREG_NO_ERROR:
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return $i;
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case PREG_BACKTRACK_LIMIT_ERROR:
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continue;
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case PREG_RECURSION_LIMIT_ERROR:
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trigger_error('PCRE recursion limit encountered before backtrack limit.');
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return;
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case PREG_BAD_UTF8_ERROR:
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trigger_error('UTF-8 error during PCRE benchmark.');
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return;
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case PREG_INTERNAL_ERROR:
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trigger_error('Internal error during PCRE benchmark.');
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return;
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default:
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trigger_error('Unexpected error during PCRE benchmark.');
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return;
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}
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}
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return $i;
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}
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function test_rest_expand_compact_links( $links ) {
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if ( empty( $links['curies'] ) ) {
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return $links;
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}
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foreach ( $links as $rel => $links_array ) {
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if ( ! strpos( $rel, ':' ) ) {
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continue;
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}
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$name = explode( ':', $rel );
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$curie = wp_list_filter( $links['curies'], array( 'name' => $name[0] ) );
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$full_uri = str_replace( '{rel}', $name[1], $curie[0]['href'] );
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$links[ $full_uri ] = $links_array;
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unset( $links[ $rel ] );
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}
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return $links;
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}
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