public function testWarmupDoesCallWarmupOnOptionalWarmersWhenEnableOptionalWarmersIsEnabled() {
$warmer = $this
->getCacheWarmerMock();
$warmer
->expects($this
->never())
->method('isOptional');
$warmer
->expects($this
->once())
->method('warmUp');
$aggregate = new CacheWarmerAggregate(array(
$warmer,
));
$aggregate
->enableOptionalWarmers();
$aggregate
->warmUp(self::$cacheDir);
}