BooleanItemTest.php

<?php

namespace Drupal\Tests\field\Kernel\Boolean;

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

/**
 * Tests the new entity API for the boolean field type.
 *
 * @group field
 */
class BooleanItemTest extends FieldKernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Create a boolean field and storage for validation.
        FieldStorageConfig::create([
            'field_name' => 'field_boolean',
            'entity_type' => 'entity_test',
            'type' => 'boolean',
        ])->save();
        FieldConfig::create([
            'entity_type' => 'entity_test',
            'field_name' => 'field_boolean',
            'bundle' => 'entity_test',
        ])->save();
        // Create a form display for the default form mode.
        \Drupal::service('entity_display.repository')->getFormDisplay('entity_test', 'entity_test')
            ->setComponent('field_boolean', [
            'type' => 'boolean_checkbox',
        ])
            ->save();
    }
    
    /**
     * Tests using entity fields of the boolean field type.
     */
    public function testBooleanItem() {
        // Verify entity creation.
        $entity = EntityTest::create();
        $value = '1';
        $entity->field_boolean = $value;
        $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->field_boolean);
        $this->assertInstanceOf(FieldItemInterface::class, $entity->field_boolean[0]);
        $this->assertEquals($value, $entity->field_boolean->value);
        $this->assertEquals($value, $entity->field_boolean[0]->value);
        // Verify changing the boolean value.
        $new_value = 0;
        $entity->field_boolean->value = $new_value;
        $this->assertEquals($new_value, $entity->field_boolean->value);
        // Read changed entity and assert changed values.
        $entity->save();
        $entity = EntityTest::load($id);
        $this->assertEquals($new_value, $entity->field_boolean->value);
        // Test sample item generation.
        $entity = EntityTest::create();
        $entity->field_boolean
            ->generateSampleItems();
        $this->entityValidateAndSave($entity);
    }

}