ShapeItemTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\field\Kernel;

use Drupal\Core\Field\FieldItemInterface;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\entity_test\Entity\EntityTest;
use Drupal\field\Entity\FieldConfig;
use Drupal\field\Entity\FieldStorageConfig;

/**
 * Tests the new entity API for the shape field type.
 *
 * @group field
 */
class ShapeItemTest extends FieldKernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'field_test',
    ];
    
    /**
     * The name of the field to use in this test.
     *
     * @var string
     */
    protected $fieldName = 'field_shape';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Create a 'shape' field and storage for validation.
        FieldStorageConfig::create([
            'field_name' => $this->fieldName,
            'entity_type' => 'entity_test',
            'type' => 'shape',
        ])
            ->save();
        FieldConfig::create([
            'entity_type' => 'entity_test',
            'field_name' => $this->fieldName,
            'bundle' => 'entity_test',
        ])
            ->save();
    }
    
    /**
     * Tests using entity fields of the shape field type.
     */
    public function testShapeItem() : void {
        // Verify entity creation.
        $entity = EntityTest::create();
        $shape = 'cube';
        $color = 'blue';
        $entity->{$this->fieldName}->shape = $shape;
        $entity->{$this->fieldName}->color = $color;
        $entity->name->value = $this->randomMachineName();
        $entity->save();
        // Verify entity has been created properly.
        $id = $entity->id();
        $entity = EntityTest::load($id);
        $this->assertInstanceOf(FieldItemListInterface::class, $entity->{$this->fieldName});
        $this->assertInstanceOf(FieldItemInterface::class, $entity->{$this->fieldName}[0]);
        $this->assertEquals($shape, $entity->{$this->fieldName}->shape);
        $this->assertEquals($color, $entity->{$this->fieldName}->color);
        $this->assertEquals($shape, $entity->{$this->fieldName}[0]->shape);
        $this->assertEquals($color, $entity->{$this->fieldName}[0]->color);
        // Verify changing the field value.
        $new_shape = 'circle';
        $new_color = 'red';
        $entity->{$this->fieldName}->shape = $new_shape;
        $entity->{$this->fieldName}->color = $new_color;
        $this->assertEquals($new_shape, $entity->{$this->fieldName}->shape);
        $this->assertEquals($new_color, $entity->{$this->fieldName}->color);
        // Read changed entity and assert changed values.
        $entity->save();
        $entity = EntityTest::load($id);
        $this->assertEquals($new_shape, $entity->{$this->fieldName}->shape);
        $this->assertEquals($new_color, $entity->{$this->fieldName}->color);
    }

}