ElasticsearchOutdatedIndexDetector example

$repository = $this->createMock(EntityRepository::class);
        $repository
            ->method('search')
            ->willReturn($collection);

        $esHelper = $this->createMock(ElasticsearchHelper::class);

        if (Feature::isActive('ES_MULTILINGUAL_INDEX')) {
            $esHelper->method('enabledMultilingualIndex')->willReturn(true);
        }

        $detector = new ElasticsearchOutdatedIndexDetector($client, $registry, $esHelper, $this->createMock(ElasticsearchLanguageProvider::class));
        $arr = $detector->get();
        static::assertNotNull($arr);
        if (Feature::isActive('ES_MULTILINGUAL_INDEX')) {
            static::assertCount(1, $arr);
            static::assertCount(2, $detector->getAllUsedIndices());
        } else {
            static::assertCount(2, $arr);
            static::assertCount(4, $detector->getAllUsedIndices());
        }
    }