Neos\Flow\Tests\Unit\Cache\CacheManagerTest::flushCachesByTagCallsTheFlushByTagMethodOfAllRegisteredCaches PHP Method

    public function flushCachesByTagCallsTheFlushByTagMethodOfAllRegisteredCaches()
    {
        $cache1 = $this->getMockBuilder(Cache\Frontend\AbstractFrontend::class)->disableOriginalConstructor()->getMock();
        $cache1->expects($this->atLeastOnce())->method('getIdentifier')->will($this->returnValue('cache1'));
        $cache1->expects($this->once())->method('flushByTag')->with($this->equalTo('theTag'));
        $this->cacheManager->registerCache($cache1);
        $cache2 = $this->getMockBuilder(Cache\Frontend\AbstractFrontend::class)->disableOriginalConstructor()->getMock();
        $cache2->expects($this->atLeastOnce())->method('getIdentifier')->will($this->returnValue('cache2'));
        $cache2->expects($this->once())->method('flushByTag')->with($this->equalTo('theTag'));
        $this->cacheManager->registerCache($cache2);
        $persistentCache = $this->getMockBuilder(Cache\Frontend\AbstractFrontend::class)->disableOriginalConstructor()->getMock();
        $persistentCache->expects($this->atLeastOnce())->method('getIdentifier')->will($this->returnValue('persistentCache'));
        $persistentCache->expects($this->never())->method('flushByTag')->with($this->equalTo('theTag'));
        $this->cacheManager->registerCache($persistentCache, true);
        $this->cacheManager->flushCachesByTag('theTag');
    }