/**
* Detect any changes to the resource.
*
* @return array
*/
public function detectChanges()
{
$events = parent::detectChanges();
// When a descendant file is created or deleted a modified event is fired on the
// directory. This is the only way a directory will receive a modified event and
// will thus result in two events being fired for a single descendant modification
// within the directory. This will clear the events if we got a modified event.
if (!empty($events) && $events[0]->getCode() == Event::RESOURCE_MODIFIED) {
$events = [];
}
foreach ($this->descendants as $key => $descendant) {
$descendantEvents = $descendant->detectChanges();
foreach ($descendantEvents as $event) {
if ($event instanceof Event && $event->getCode() == Event::RESOURCE_DELETED) {
unset($this->descendants[$key]);
}
}
$events = array_merge($events, $descendantEvents);
}
// If this directory still exists we'll check the directories descendants again for any
// new descendants.
if ($this->exists) {
foreach ($this->detectDirectoryDescendants() as $key => $descendant) {
if (!isset($this->descendants[$key])) {
$this->descendants[$key] = $descendant;
$events[] = new Event($descendant, Event::RESOURCE_CREATED);
}
}
}
return $events;
}
public function testDetectingOfResourceDeleted()
{
$files = m::mock('Illuminate\\Filesystem\\Filesystem');
$files->shouldReceive('exists')->once()->andReturn(true);
$files->shouldReceive('exists')->once()->andReturn(false);
$files->shouldReceive('lastModified')->once()->andReturn(time());
$resource = new FileResource(new SplFileInfo(__FILE__), $files);
$events = $resource->detectChanges();
$this->assertInstanceOf('JasonLewis\\ResourceWatcher\\Event', $event = array_pop($events));
$this->assertEquals(Event::RESOURCE_DELETED, $event->getCode());
}
