ElasticSearcher\Managers\IndicesManager::registerIndices PHP Method

    public function registerIndices(array $indices)
    {
        foreach ($indices as $index) {
            $this->register($index);
        }
    }

 public function testRegister()
 {
     // New instance so we have an empty register.
     $indicesManager = new IndicesManager($this->getElasticSearcher());
     $moviesIndex = new MoviesIndex();
     // Single registration.
     $indicesManager->register($moviesIndex);
     $this->assertEquals(true, $indicesManager->isRegistered('movies'));
     $this->assertArrayHasKey('movies', $indicesManager->registeredIndices());
     $this->assertInstanceOf(MoviesIndex::class, $indicesManager->getRegistered('movies'));
     // Removing from register.
     $indicesManager->unregister('movies');
     $this->assertEquals(false, $indicesManager->isRegistered('movies'));
     $this->assertArrayNotHasKey('movies', $indicesManager->registeredIndices());
     // Bulk registering.
     $indicesManager->registerIndices([$moviesIndex]);
     $this->assertEquals(true, $indicesManager->isRegistered('movies'));
 }