/**
* Test whether this filter chain contains given callback
*
* @param callable $callback
* @return bool
*/
public function containsCallback(callable $callback)
{
// Normalize the callback
$pc = new ProgrammableCallback($callback);
$callback = $pc->getCallback();
foreach ($this->items as $filter) {
if ($callback === $filter->getCallback()) {
return true;
}
}
return false;
}
protected function getProgrammableCallback()
{
$args = func_get_args();
$programmableCallback = new ProgrammableCallback(array_shift($args));
foreach ($args as $value) {
$programmableCallback->addParameterByValue($value);
}
return $programmableCallback;
}
/**
* @testdox executeFilter() passes NULL to the callback if a variable is missing
*/
public function testExecuteFilterMissingVar()
{
$filter = new ProgrammableCallback(function () {
return func_get_args();
});
$filter->addParameterByValue('foo');
$filter->addParameterByName('foo');
$filter->addParameterByValue(42);
$this->assertSame(['foo', null, 42], FilterProcessingDummy::__executeFilter($filter->asConfig(), ['logger' => new Logger()]));
}
/**
* @testdox asConfig() preserves NULL values and empty arrays in the callback's parameters
*/
public function testAsConfigPreserve()
{
$pc = new ProgrammableCallback(function () {
});
$pc->addParameterByValue(null);
$pc->addParameterByValue([]);
$config = $pc->asConfig();
$this->assertSame([null, []], $config['params']);
}