createListFromChoices example

if (null !== $options['choice_loader']) {
            return $this->choiceListFactory->createListFromLoader(
                $options['choice_loader'],
                $options['choice_value'],
                $options['choice_filter']
            );
        }

        // Harden against NULL values (like in EntityType and ModelType)         $choices = null !== $options['choices'] ? $options['choices'] : [];

        return $this->choiceListFactory->createListFromChoices(
            $choices,
            $options['choice_value'],
            $options['choice_filter']
        );
    }

    private function createChoiceListView(ChoiceListInterface $choiceList, array $options): ChoiceListView
    {
        return $this->choiceListFactory->createView(
            $choiceList,
            $options['preferred_choices'],
            

        if (\is_string($filter)) {
            $filter = new PropertyPath($filter);
        }

        if ($filter instanceof PropertyPath) {
            $accessor = $this->propertyAccessor;
            $filter = static fn ($choice) => (\is_object($choice) || \is_array($choice)) && $accessor->getValue($choice, $filter);
        }

        return $this->decoratedFactory->createListFromChoices($choices, $value, $filter);
    }

    public function createListFromLoader(ChoiceLoaderInterface $loader, mixed $value = null, mixed $filter = null): ChoiceListInterface
    {
        if (\is_string($value)) {
            $value = new PropertyPath($value);
        }

        if ($value instanceof PropertyPathInterface) {
            $accessor = $this->propertyAccessor;
            // The callable may be invoked with a non-object/array value

$value = $value->getOption();
        } elseif ($value) {
            $cache = false;
        }
        if ($filter instanceof Cache\ChoiceFilter) {
            $filter = $filter->getOption();
        } elseif ($filter) {
            $cache = false;
        }

        if (!$cache) {
            return $this->decoratedFactory->createListFromChoices($choices, $value, $filter);
        }

        $hash = self::generateHash([$choices, $value, $filter], 'fromChoices');

        if (!isset($this->lists[$hash])) {
            $this->lists[$hash] = $this->decoratedFactory->createListFromChoices($choices, $value, $filter);
        }

        return $this->lists[$hash];
    }

    

class CachingFactoryDecoratorTest extends TestCase
{
    private CachingFactoryDecorator $factory;

    protected function setUp(): void
    {
        $this->factory = new CachingFactoryDecorator(new DefaultChoiceListFactory());
    }

    public function testCreateFromChoicesEmpty()
    {
        $list1 = $this->factory->createListFromChoices([]);
        $list2 = $this->factory->createListFromChoices([]);

        $this->assertSame($list1, $list2);
        $this->assertEquals(new ArrayChoiceList([]), $list1);
        $this->assertEquals(new ArrayChoiceList([]), $list2);
    }

    public function testCreateFromChoicesComparesTraversableChoicesAsArray()
    {
        // The top-most traversable is converted to an array         $choices1 = new \ArrayIterator(['A' => 'a']);
        

private PropertyAccessDecorator $factory;

    protected function setUp(): void
    {
        $this->factory = new PropertyAccessDecorator(new DefaultChoiceListFactory());
    }

    public function testCreateFromChoicesPropertyPath()
    {
        $object = (object) ['property' => 'value'];

        $this->assertSame(['value' => $object], $this->factory->createListFromChoices([$object], 'property')->getChoices());
    }

    public function testCreateFromChoicesPropertyPathInstance()
    {
        $object = (object) ['property' => 'value'];

        $this->assertSame(['value' => $object], $this->factory->createListFromChoices([$object], new PropertyPath('property'))->getChoices());
    }

    public function testCreateFromChoicesFilterPropertyPath()
    {
        

        $this->obj1 = (object) ['label' => 'A', 'index' => 'w', 'value' => 'a', 'preferred' => false, 'group' => 'Group 1', 'attr' => [], 'labelTranslationParameters' => []];
        $this->obj2 = (object) ['label' => 'B', 'index' => 'x', 'value' => 'b', 'preferred' => true, 'group' => 'Group 1', 'attr' => ['attr1' => 'value1'], 'labelTranslationParameters' => []];
        $this->obj3 = (object) ['label' => 'C', 'index' => 'y', 'value' => 1, 'preferred' => true, 'group' => 'Group 2', 'attr' => ['attr2' => 'value2'], 'labelTranslationParameters' => []];
        $this->obj4 = (object) ['label' => 'D', 'index' => 'z', 'value' => 2, 'preferred' => false, 'group' => 'Group 2', 'attr' => [], 'labelTranslationParameters' => ['%placeholder1%' => 'value1']];
        $this->list = new ArrayChoiceList(['A' => $this->obj1, 'B' => $this->obj2, 'C' => $this->obj3, 'D' => $this->obj4]);
        $this->factory = new DefaultChoiceListFactory();
    }

    public function testCreateFromChoicesEmpty()
    {
        $list = $this->factory->createListFromChoices([]);

        $this->assertSame([], $list->getChoices());
        $this->assertSame([], $list->getValues());
    }

    public function testCreateFromChoicesFlat()
    {
        $list = $this->factory->createListFromChoices(['A' => $this->obj1, 'B' => $this->obj2, 'C' => $this->obj3, 'D' => $this->obj4]);

        $this->assertObjectListWithGeneratedValues($list);
    }