StockUpdateFilterProvider example

$commands = [new UpdateCommand(
            $definition,
            ['referenced_id' => 'new_referenced_id'],
            $primaryKey,
            $existence,
            $path
        )];

        $stockSubscriber = new StockUpdater(
            $this->getConnectionMock(),
            $this->dispatcher,
            new StockUpdateFilterProvider([]),
        );

        $writeContextMock = $this->getMockBuilder(WriteContext::class)
            ->disableOriginalConstructor()
            ->getMock();

        $event = new PreWriteValidationEvent($writeContextMock, $commands);
        $stockSubscriber->triggerChangeSet($event);

        static::assertFalse($commands[0]->requiresChangeSet());
    }

    

class StockUpdateFilterProviderTest extends TestCase
{
    public function testHandlesFilter(): void
    {
        $ids = ['id1', 'id2', 'id3'];

        $filter = new TestStockUpdateFilter(['id1', 'id2']);

        $provider = new StockUpdateFilterProvider([$filter]);

        static::assertEquals(['id3'], $provider->filterProductIdsForStockUpdates($ids, Context::createDefaultContext()));
    }
}