Will consider direct parent for all content's locations.
public function testOnContentCacheClear()
{
$contentId = 123;
$contentInfo = new ContentInfo(['id' => $contentId]);
$event = new ContentCacheClearEvent($contentInfo);
$parentLocationId1 = 456;
$parentLocationId2 = 789;
$parentLocationId3 = 234;
$parentLocationId4 = 567;
$locations = [new Location(['parentLocationId' => $parentLocationId1]), new Location(['parentLocationId' => $parentLocationId2]), new Location(['parentLocationId' => $parentLocationId3]), new Location(['parentLocationId' => $parentLocationId4])];
$this->locationService->expects($this->once())->method('loadLocations')->with($contentInfo)->will($this->returnValue($locations));
$parentLocation1 = new Location(['id' => $parentLocationId1]);
$parentLocation2 = new Location(['id' => $parentLocationId2]);
$parentLocation3 = new Location(['id' => $parentLocationId3]);
$parentLocation4 = new Location(['id' => $parentLocationId4]);
$parentLocations = [$parentLocation1, $parentLocation2, $parentLocation3, $parentLocation4];
$this->locationService->expects($this->exactly(count($parentLocations)))->method('loadLocation')->will($this->returnValueMap([[$parentLocationId1, $parentLocation1], [$parentLocationId2, $parentLocation2], [$parentLocationId3, $parentLocation3], [$parentLocationId4, $parentLocation4]]));
$this->listener->onContentCacheClear($event);
$this->assertSame($parentLocations, $event->getLocationsToClear());
}
