class FieldAccessTest

class FieldAccessTest extends KernelTestBase {
    
    /**
     * Modules to load code from.
     *
     * @var array
     */
    protected static $modules = [
        'entity_test',
        'field',
        'system',
        'text',
        'filter',
        'user',
    ];
    
    /**
     * Holds the currently active global user ID that initiated the test run.
     *
     * The user ID gets replaced during the test and needs to be kept here so that
     * it can be restored at the end of the test run.
     *
     * @var int
     */
    protected $activeUid;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Install field configuration.
        $this->installConfig([
            'field',
        ]);
        $this->installEntitySchema('entity_test');
        $this->installEntitySchema('entity_test_mul');
        $this->installEntitySchema('entity_test_mul_langcode_key');
        $this->installEntitySchema('entity_test_mul_changed');
        $this->installEntitySchema('entity_test_rev');
        $this->installEntitySchema('entity_test_mulrev');
        $this->installEntitySchema('entity_test_mulrev_changed');
        // The users table is needed for creating dummy user accounts.
        $this->installEntitySchema('user');
        // Register entity_test text field.
        $this->container
            ->get('module_handler')
            ->loadInclude('entity_test', 'install');
        entity_test_install();
    }
    
    /**
     * Tests hook_entity_field_access() and hook_entity_field_access_alter().
     *
     * @see entity_test_entity_field_access()
     * @see entity_test_entity_field_access_alter()
     */
    public function testFieldAccess() {
        $values = [
            'name' => $this->randomMachineName(),
            'user_id' => 1,
            'field_test_text' => [
                'value' => 'no access value',
                'format' => 'full_html',
            ],
        ];
        $entity = EntityTest::create($values);
        // Create a dummy user account for testing access with.
        $values = [
            'name' => 'test',
        ];
        $account = User::create($values);
        $this->assertFalse($entity->field_test_text
            ->access('view', $account), 'Access to the field was denied.');
        $expected = AccessResult::forbidden()->addCacheableDependency($entity);
        $this->assertEquals($expected, $entity->field_test_text
            ->access('view', $account, TRUE), 'Access to the field was denied.');
        $entity->field_test_text = 'access alter value';
        $this->assertFalse($entity->field_test_text
            ->access('view', $account), 'Access to the field was denied.');
        $this->assertEquals($expected, $entity->field_test_text
            ->access('view', $account, TRUE), 'Access to the field was denied.');
        $entity->field_test_text = 'standard value';
        $this->assertTrue($entity->field_test_text
            ->access('view', $account), 'Access to the field was granted.');
        $this->assertEquals(AccessResult::allowed(), $entity->field_test_text
            ->access('view', $account, TRUE), 'Access to the field was granted.');
    }

}