public function test_remove_filter_with_another_at_different_priority()
{
$callback_one = '__return_null';
$callback_two = '__return_false';
$hook = new WP_Hook();
$tag = rand_str();
$priority = rand(1, 100);
$accepted_args = rand(1, 100);
$hook->add_filter($tag, $callback_one, $priority, $accepted_args);
$hook->add_filter($tag, $callback_two, $priority + 1, $accepted_args);
$hook->remove_filter($tag, $callback_one, $priority);
$this->assertFalse(isset($hook->callbacks[$priority]));
$this->assertCount(1, $hook->callbacks[$priority + 1]);
}
public function test_remove_all_filters_with_priority()
{
$callback_one = '__return_null';
$callback_two = '__return_false';
$hook = new WP_Hook();
$tag = rand_str();
$priority = rand(1, 100);
$accepted_args = rand(1, 100);
$hook->add_filter($tag, $callback_one, $priority, $accepted_args);
$hook->add_filter($tag, $callback_two, $priority + 1, $accepted_args);
$hook->remove_all_filters($priority);
$this->assertFalse($hook->has_filter($tag, $callback_one));
$this->assertTrue($hook->has_filters());
$this->assertEquals($priority + 1, $hook->has_filter($tag, $callback_two));
}
public function test_has_filter_with_wrong_callback()
{
$callback = '__return_null';
$hook = new WP_Hook();
$tag = __FUNCTION__;
$priority = rand(1, 100);
$accepted_args = rand(1, 100);
$hook->add_filter($tag, $callback, $priority, $accepted_args);
$this->assertFalse($hook->has_filter($tag, '__return_false'));
}
public function test_foreach()
{
$callback_one = '__return_null';
$callback_two = '__return_false';
$hook = new WP_Hook();
$tag = __FUNCTION__;
$priority = rand(1, 100);
$accepted_args = rand(1, 100);
$hook->add_filter($tag, $callback_one, $priority, $accepted_args);
$hook->add_filter($tag, $callback_two, $priority + 1, $accepted_args);
$functions = array();
$priorities = array();
foreach ($hook as $key => $callbacks) {
$priorities[] = $key;
foreach ($callbacks as $function_index => $the_) {
$functions[] = $the_['function'];
}
}
$this->assertEqualSets(array($priority, $priority + 1), $priorities);
$this->assertEqualSets(array($callback_one, $callback_two), $functions);
}
public function test_not_has_filter_with_directly_removed_callback()
{
$callback = '__return_null';
$hook = new WP_Hook();
$tag = __FUNCTION__;
$priority = rand(1, 100);
$accepted_args = rand(1, 100);
$hook->add_filter($tag, $callback, $priority, $accepted_args);
$function_key = _wp_filter_build_unique_id($tag, $callback, $priority);
unset($hook->callbacks[$priority][$function_key]);
$this->assertFalse($hook->has_filters());
}
public function test_do_all_hook_with_multiple_calls()
{
$a = new MockAction();
$callback = array($a, 'action');
$hook = new WP_Hook();
$tag = 'all';
$priority = rand(1, 100);
$accepted_args = rand(1, 100);
$arg = rand_str();
$hook->add_filter($tag, $callback, $priority, $accepted_args);
$args = array($arg);
$hook->do_all_hook($args);
$hook->do_all_hook($args);
$this->assertEquals(2, $a->get_call_count());
}
public function test_apply_filters_with_multiple_calls()
{
$a = new MockAction();
$callback = array($a, 'filter');
$hook = new WP_Hook();
$tag = rand_str();
$priority = rand(1, 100);
$accepted_args = rand(1, 100);
$arg = rand_str();
$hook->add_filter($tag, $callback, $priority, $accepted_args);
$returned_one = $hook->apply_filters($arg, array($arg));
$returned_two = $hook->apply_filters($returned_one, array($returned_one));
$this->assertEquals($returned_two, $arg);
$this->assertEquals(2, $a->get_call_count());
}
/**
* Normalizes filters set up before WordPress has initialized to WP_Hook objects.
*
* @since 4.7.0
* @access public
* @static
*
* @param array $filters Filters to normalize.
* @return WP_Hook[] Array of normalized filters.
*/
public static function build_preinitialized_hooks($filters)
{
/** @var WP_Hook[] $normalized */
$normalized = array();
foreach ($filters as $tag => $callback_groups) {
if (is_object($callback_groups) && $callback_groups instanceof WP_Hook) {
$normalized[$tag] = $callback_groups;
continue;
}
$hook = new WP_Hook();
// Loop through callback groups.
foreach ($callback_groups as $priority => $callbacks) {
// Loop through callbacks.
foreach ($callbacks as $cb) {
$hook->add_filter($tag, $cb['function'], $priority, $cb['accepted_args']);
}
}
$normalized[$tag] = $hook;
}
return $normalized;
}
public function test_do_action_with_more_accepted_args()
{
$callback = array($this, '_action_callback');
$hook = new WP_Hook();
$tag = __FUNCTION__;
$priority = rand(1, 100);
$accepted_args = 1000;
$arg = __FUNCTION__ . '_arg';
$hook->add_filter($tag, $callback, $priority, $accepted_args);
$hook->do_action(array($arg));
$this->assertCount(1, $this->events[0]['args']);
}
public function test_sort_after_add_filter()
{
$a = new MockAction();
$b = new MockAction();
$c = new MockAction();
$hook = new WP_Hook();
$tag = rand_str();
$hook->add_filter($tag, array($a, 'action'), 10, 1);
$hook->add_filter($tag, array($b, 'action'), 5, 1);
$hook->add_filter($tag, array($c, 'action'), 8, 1);
$this->assertEquals(array(5, 8, 10), array_keys($hook->callbacks));
}
