FieldTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\views\Unit\Plugin\field;

use Drupal\Core\Entity\EntityFieldManagerInterface;
use Drupal\Core\Entity\EntityRepositoryInterface;
use Drupal\Core\Entity\EntityTypeBundleInfoInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Field\FieldStorageDefinitionInterface;
use Drupal\Tests\UnitTestCase;
use Drupal\Tests\views\Unit\Plugin\HandlerTestTrait;
use Drupal\views\Plugin\views\field\EntityField;
use Drupal\views\ResultRow;
use PHPUnit\Framework\Attributes\CoversClass;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\Attributes\Group;
use Symfony\Component\DependencyInjection\ContainerBuilder;

/**
 * Tests Drupal\views\Plugin\views\field\EntityField.
 */
class FieldTest extends UnitTestCase {
  use HandlerTestTrait;
  
  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $entityTypeManager;
  
  /**
   * The entity field manager.
   *
   * @var \Drupal\Core\Entity\EntityFieldManagerInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $entityFieldManager;
  
  /**
   * The entity repository.
   *
   * @var \Drupal\Core\Entity\EntityRepositoryInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $entityRepository;
  
  /**
   * The mocked formatter plugin manager.
   *
   * @var \Drupal\Core\Field\FormatterPluginManager|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $formatterPluginManager;
  
  /**
   * The mocked language manager.
   *
   * @var \Drupal\Core\Language\LanguageManagerInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $languageManager;
  
  /**
   * The mocked field type plugin manager.
   *
   * @var \Drupal\Core\Field\FieldTypePluginManagerInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $fieldTypePluginManager;
  
  /**
   * The entity type bundle info service.
   *
   * @var \Drupal\Core\Entity\EntityTypeBundleInfoInterface
   */
  protected $entityTypeBundleInfo;
  
  /**
   * The renderer.
   *
   * @var \Drupal\Core\Render\RendererInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $renderer;
  
  /**
   * The container.
   *
   * @var \Drupal\Core\DependencyInjection\Container
   */
  protected $container;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->entityTypeManager = $this->createMock(EntityTypeManagerInterface::class);
    $this->entityFieldManager = $this->createMock(EntityFieldManagerInterface::class);
    $this->entityTypeBundleInfo = $this->createMock(EntityTypeBundleInfoInterface::class);
    $this->entityRepository = $this->createMock(EntityRepositoryInterface::class);
    $this->formatterPluginManager = $this->getMockBuilder('Drupal\\Core\\Field\\FormatterPluginManager')
      ->disableOriginalConstructor()
      ->getMock();
    $this->fieldTypePluginManager = $this->createMock('Drupal\\Core\\Field\\FieldTypePluginManagerInterface');
    $this->fieldTypePluginManager
      ->expects($this->any())
      ->method('getDefaultStorageSettings')
      ->willReturn([]);
    $this->fieldTypePluginManager
      ->expects($this->any())
      ->method('getDefaultFieldSettings')
      ->willReturn([]);
    $this->languageManager = $this->createMock('Drupal\\Core\\Language\\LanguageManagerInterface');
    $this->renderer = $this->createMock('Drupal\\Core\\Render\\RendererInterface');
    $this->setupExecutableAndView();
    $this->setupViewsData();
    $this->display = $this->getMockBuilder('Drupal\\views\\Plugin\\views\\display\\DisplayPluginBase')
      ->disableOriginalConstructor()
      ->getMock();
    $this->container = new ContainerBuilder();
    $this->container
      ->set('plugin.manager.field.field_type', $this->fieldTypePluginManager);
    \Drupal::setContainer($this->container);
  }
  
  /**
   * Tests construct.
   *
   * @legacy-covers ::__construct
   */
  public function testConstruct() : void {
    $definition = [
      'entity_type' => 'test_entity',
      // Just provide 'entity field' as definition. This is how EntityViewsData
      // provides it.
'entity field' => 'title',
    ];
    $handler = new EntityField([], 'field', $definition, $this->entityTypeManager, $this->formatterPluginManager, $this->fieldTypePluginManager, $this->languageManager, $this->renderer, $this->entityRepository, $this->entityFieldManager, $this->entityTypeBundleInfo);
    $this->assertEquals('title', $handler->definition['field_name']);
  }
  
  /**
   * Tests define options with no options.
   *
   * @legacy-covers ::defineOptions
   */
  public function testDefineOptionsWithNoOptions() : void {
    $definition = [
      'entity_type' => 'test_entity',
      'field_name' => 'title',
    ];
    $handler = new EntityField([], 'field', $definition, $this->entityTypeManager, $this->formatterPluginManager, $this->fieldTypePluginManager, $this->languageManager, $this->renderer, $this->entityRepository, $this->entityFieldManager, $this->entityTypeBundleInfo);
    // Setup the entity field manager to allow fetching the storage definitions.
    $title_storage = $this->getBaseFieldStorage();
    $this->entityFieldManager
      ->expects($this->atLeastOnce())
      ->method('getFieldStorageDefinitions')
      ->with('test_entity')
      ->willReturn([
      'title' => $title_storage,
    ]);
    $options = [];
    $handler->init($this->executable, $this->display, $options);
    $this->assertEquals('value', $handler->options['group_column']);
    $this->assertEquals(0, $handler->options['delta_limit']);
  }
  
  /**
   * Tests define options with default formatter on field definition.
   *
   * @legacy-covers ::defineOptions
   */
  public function testDefineOptionsWithDefaultFormatterOnFieldDefinition() : void {
    $definition = [
      'entity_type' => 'test_entity',
      'field_name' => 'title',
      'default_formatter' => 'test_example',
      'default_formatter_settings' => [
        'link_to_entity' => TRUE,
      ],
    ];
    $handler = new EntityField([], 'field', $definition, $this->entityTypeManager, $this->formatterPluginManager, $this->fieldTypePluginManager, $this->languageManager, $this->renderer, $this->entityRepository, $this->entityFieldManager, $this->entityTypeBundleInfo);
    // Setup the entity field manager to allow fetching the storage definitions.
    $title_storage = $this->getBaseFieldStorage();
    $this->entityFieldManager
      ->expects($this->atLeastOnce())
      ->method('getFieldStorageDefinitions')
      ->with('test_entity')
      ->willReturn([
      'title' => $title_storage,
    ]);
    $options = [];
    $handler->init($this->executable, $this->display, $options);
    $this->assertEquals('test_example', $handler->options['type']);
  }
  
  /**
   * Tests define options with default formatter on field type.
   *
   * @legacy-covers ::defineOptions
   */
  public function testDefineOptionsWithDefaultFormatterOnFieldType() : void {
    $definition = [
      'entity_type' => 'test_entity',
      'field_name' => 'title',
      'default_formatter_settings' => [
        'link_to_entity' => TRUE,
      ],
    ];
    $handler = new EntityField([], 'field', $definition, $this->entityTypeManager, $this->formatterPluginManager, $this->fieldTypePluginManager, $this->languageManager, $this->renderer, $this->entityRepository, $this->entityFieldManager, $this->entityTypeBundleInfo);
    // Setup the entity field manager to allow fetching the storage definitions.
    $title_storage = $this->getBaseFieldStorage();
    $this->entityFieldManager
      ->expects($this->atLeastOnce())
      ->method('getFieldStorageDefinitions')
      ->with('test_entity')
      ->willReturn([
      'title' => $title_storage,
    ]);
    $options = [];
    $handler->init($this->executable, $this->display, $options);
    $this->assertEquals([
      'link_to_entity' => TRUE,
    ], $handler->options['settings']);
  }
  
  /**
   * Tests calculate dependencies with base field.
   *
   * @legacy-covers ::calculateDependencies
   */
  public function testCalculateDependenciesWithBaseField() : void {
    $definition = [
      'entity_type' => 'test_entity',
      'field_name' => 'title',
    ];
    $handler = new EntityField([], 'field', $definition, $this->entityTypeManager, $this->formatterPluginManager, $this->fieldTypePluginManager, $this->languageManager, $this->renderer, $this->entityRepository, $this->entityFieldManager, $this->entityTypeBundleInfo);
    $title_storage = $this->getBaseFieldStorage();
    $this->entityFieldManager
      ->expects($this->atLeastOnce())
      ->method('getFieldStorageDefinitions')
      ->with('test_entity')
      ->willReturn([
      'title' => $title_storage,
    ]);
    $dependencies = $handler->calculateDependencies();
    $this->assertEmpty($dependencies);
  }
  
  /**
   * Tests calculate dependencies with configured field.
   *
   * @legacy-covers ::calculateDependencies
   */
  public function testCalculateDependenciesWithConfiguredField() : void {
    $definition = [
      'entity_type' => 'test_entity',
      'field_name' => 'body',
    ];
    $handler = new EntityField([], 'field', $definition, $this->entityTypeManager, $this->formatterPluginManager, $this->fieldTypePluginManager, $this->languageManager, $this->renderer, $this->entityRepository, $this->entityFieldManager, $this->entityTypeBundleInfo);
    $body_storage = $this->getConfigFieldStorage();
    $this->entityFieldManager
      ->expects($this->atLeastOnce())
      ->method('getFieldStorageDefinitions')
      ->with('test_entity')
      ->willReturn([
      'body' => $body_storage,
    ]);
    $body_storage->expects($this->atLeastOnce())
      ->method('getConfigDependencyName')
      ->willReturn('field.field_storage_config.body');
    $dependencies = $handler->calculateDependencies();
    $this->assertEquals([
      'config' => [
        'field.field_storage_config.body',
      ],
    ], $dependencies);
  }
  
  /**
   * Tests access.
   *
   * @legacy-covers ::access
   */
  public function testAccess() : void {
    $definition = [
      'entity_type' => 'test_entity',
      'field_name' => 'title',
    ];
    $handler = new EntityField([], 'field', $definition, $this->entityTypeManager, $this->formatterPluginManager, $this->fieldTypePluginManager, $this->languageManager, $this->renderer, $this->entityRepository, $this->entityFieldManager, $this->entityTypeBundleInfo);
    $handler->view = $this->executable;
    $handler->setViewsData($this->viewsData);
    $this->view
      ->expects($this->atLeastOnce())
      ->method('get')
      ->with('base_table')
      ->willReturn('test_entity_table');
    $this->viewsData
      ->expects($this->atLeastOnce())
      ->method('get')
      ->with('test_entity_table')
      ->willReturn([
      'table' => [
        'entity type' => 'test_entity',
      ],
    ]);
    $access_control_handler = $this->createMock('Drupal\\Core\\Entity\\EntityAccessControlHandlerInterface');
    $this->entityTypeManager
      ->expects($this->atLeastOnce())
      ->method('getAccessControlHandler')
      ->with('test_entity')
      ->willReturn($access_control_handler);
    $title_storage = $this->getBaseFieldStorage();
    $this->entityFieldManager
      ->expects($this->atLeastOnce())
      ->method('getFieldStorageDefinitions')
      ->with('test_entity')
      ->willReturn([
      'title' => $title_storage,
    ]);
    $account = $this->createMock('Drupal\\Core\\Session\\AccountInterface');
    $access_control_handler->expects($this->atLeastOnce())
      ->method('fieldAccess')
      ->with('view', $this->anything(), $account, NULL, $this->anything())
      ->willReturn(TRUE);
    $this->assertTrue($handler->access($account));
  }
  
  /**
   * Tests the click sort order.
   *
   * @param string $order
   *   The sort order.
   */
  public function testClickSortWithOutConfiguredColumn($order) : void {
    $definition = [
      'entity_type' => 'test_entity',
      'field_name' => 'title',
    ];
    $handler = new EntityField([], 'field', $definition, $this->entityTypeManager, $this->formatterPluginManager, $this->fieldTypePluginManager, $this->languageManager, $this->renderer, $this->entityRepository, $this->entityFieldManager, $this->entityTypeBundleInfo);
    $handler->view = $this->executable;
    $this->entityFieldManager
      ->expects($this->never())
      ->method('getFieldStorageDefinitions');
    $handler->clickSort($order);
  }
  
  /**
   * Tests click sort with base field.
   *
   * @param string $order
   *   The sort order.
   *
   * @legacy-covers ::clickSort
   */
  public function testClickSortWithBaseField($order) : void {
    $definition = [
      'entity_type' => 'test_entity',
      'field_name' => 'title',
    ];
    $handler = new EntityField([], 'field', $definition, $this->entityTypeManager, $this->formatterPluginManager, $this->fieldTypePluginManager, $this->languageManager, $this->renderer, $this->entityRepository, $this->entityFieldManager, $this->entityTypeBundleInfo);
    $handler->view = $this->executable;
    $field_storage = $this->getBaseFieldStorage();
    $this->entityFieldManager
      ->expects($this->atLeastOnce())
      ->method('getFieldStorageDefinitions')
      ->with('test_entity')
      ->willReturn([
      'title' => $field_storage,
    ]);
    $table_mapping = $this->createMock('Drupal\\Core\\Entity\\Sql\\TableMappingInterface');
    $table_mapping->expects($this->atLeastOnce())
      ->method('getFieldColumnName')
      ->with($field_storage, 'value')
      ->willReturn('title');
    $entity_storage = $this->createMock('Drupal\\Core\\Entity\\Sql\\SqlEntityStorageInterface');
    $entity_storage->expects($this->atLeastOnce())
      ->method('getTableMapping')
      ->willReturn($table_mapping);
    $this->entityTypeManager
      ->expects($this->atLeastOnce())
      ->method('getStorage')
      ->with('test_entity')
      ->willReturn($entity_storage);
    // Setup a click sort configuration.
    $options = [
      'click_sort_column' => 'value',
      'table' => 'test_entity',
    ];
    $handler->init($this->executable, $this->display, $options);
    $handler->query = $this->getMockBuilder('Drupal\\views\\Plugin\\views\\query\\Sql')
      ->disableOriginalConstructor()
      ->getMock();
    $handler->query
      ->expects($this->atLeastOnce())
      ->method('ensureTable')
      ->with('test_entity', NULL)
      ->willReturn('test_entity');
    $handler->query
      ->expects($this->atLeastOnce())
      ->method('addOrderBy')
      ->with(NULL, NULL, $order, 'test_entity.title', []);
    $handler->clickSort($order);
  }
  
  /**
   * Tests click sort with configured field.
   *
   * @param string $order
   *   The sort order.
   *
   * @legacy-covers ::clickSort
   */
  public function testClickSortWithConfiguredField($order) : void {
    $definition = [
      'entity_type' => 'test_entity',
      'field_name' => 'body',
    ];
    $handler = new EntityField([], 'field', $definition, $this->entityTypeManager, $this->formatterPluginManager, $this->fieldTypePluginManager, $this->languageManager, $this->renderer, $this->entityRepository, $this->entityFieldManager, $this->entityTypeBundleInfo);
    $handler->view = $this->executable;
    $field_storage = $this->getConfigFieldStorage();
    $this->entityFieldManager
      ->expects($this->atLeastOnce())
      ->method('getFieldStorageDefinitions')
      ->with('test_entity')
      ->willReturn([
      'body' => $field_storage,
    ]);
    $table_mapping = $this->createMock('Drupal\\Core\\Entity\\Sql\\TableMappingInterface');
    $table_mapping->expects($this->atLeastOnce())
      ->method('getFieldColumnName')
      ->with($field_storage, 'value')
      ->willReturn('body_value');
    $entity_storage = $this->createMock('Drupal\\Core\\Entity\\Sql\\SqlEntityStorageInterface');
    $entity_storage->expects($this->atLeastOnce())
      ->method('getTableMapping')
      ->willReturn($table_mapping);
    $this->entityTypeManager
      ->expects($this->atLeastOnce())
      ->method('getStorage')
      ->with('test_entity')
      ->willReturn($entity_storage);
    // Setup a click sort configuration.
    $options = [
      'click_sort_column' => 'value',
      'table' => 'test_entity__body',
    ];
    $handler->init($this->executable, $this->display, $options);
    $handler->query = $this->getMockBuilder('Drupal\\views\\Plugin\\views\\query\\Sql')
      ->disableOriginalConstructor()
      ->getMock();
    $handler->query
      ->expects($this->atLeastOnce())
      ->method('ensureTable')
      ->with('test_entity__body', NULL)
      ->willReturn('test_entity__body_alias');
    $handler->query
      ->expects($this->atLeastOnce())
      ->method('addOrderBy')
      ->with(NULL, NULL, $order, 'test_entity__body_alias.body_value', []);
    $handler->clickSort($order);
  }
  
  /**
   * Tests query with group by for base field.
   *
   * @legacy-covers ::query
   */
  public function testQueryWithGroupByForBaseField() : void {
    $definition = [
      'entity_type' => 'test_entity',
      'field_name' => 'title',
    ];
    $handler = new EntityField([], 'field', $definition, $this->entityTypeManager, $this->formatterPluginManager, $this->fieldTypePluginManager, $this->languageManager, $this->renderer, $this->entityRepository, $this->entityFieldManager, $this->entityTypeBundleInfo);
    $handler->view = $this->executable;
    $handler->view->field = [
      $handler,
    ];
    $this->setupLanguageRenderer($handler, $definition);
    $field_storage = $this->getBaseFieldStorage();
    $this->entityFieldManager
      ->expects($this->any())
      ->method('getFieldStorageDefinitions')
      ->with('test_entity')
      ->willReturn([
      'title' => $field_storage,
    ]);
    $table_mapping = $this->createMock('Drupal\\Core\\Entity\\Sql\\TableMappingInterface');
    $table_mapping->expects($this->any())
      ->method('getFieldColumnName')
      ->with($field_storage, 'value')
      ->willReturn('title');
    $entity_storage = $this->createMock('Drupal\\Core\\Entity\\Sql\\SqlEntityStorageInterface');
    $entity_storage->expects($this->any())
      ->method('getTableMapping')
      ->willReturn($table_mapping);
    $this->entityTypeManager
      ->expects($this->any())
      ->method('getStorage')
      ->with('test_entity')
      ->willReturn($entity_storage);
    $options = [
      'group_column' => 'value',
      'group_columns' => [],
      'table' => 'test_entity_table',
    ];
    $handler->init($this->executable, $this->display, $options);
    $query = $this->getMockBuilder('Drupal\\views\\Plugin\\views\\query\\Sql')
      ->disableOriginalConstructor()
      ->getMock();
    $query->expects($this->once())
      ->method('ensureTable')
      ->with('test_entity_table', NULL)
      ->willReturn('test_entity_table');
    // Ensure that we add the title field to the query, if we group by some
    // other field in the view.
    $query->expects($this->once())
      ->method('addField')
      ->with('test_entity_table', 'title');
    $this->executable->query = $query;
    $handler->query(TRUE);
  }
  
  /**
   * Tests query with group by for config field.
   *
   * @legacy-covers ::query
   */
  public function testQueryWithGroupByForConfigField() : void {
    $definition = [
      'entity_type' => 'test_entity',
      'field_name' => 'body',
    ];
    $handler = new EntityField([], 'field', $definition, $this->entityTypeManager, $this->formatterPluginManager, $this->fieldTypePluginManager, $this->languageManager, $this->renderer, $this->entityRepository, $this->entityFieldManager, $this->entityTypeBundleInfo);
    $handler->view = $this->executable;
    $handler->view->field = [
      $handler,
    ];
    $this->setupLanguageRenderer($handler, $definition);
    $field_storage = $this->getConfigFieldStorage();
    $this->entityFieldManager
      ->expects($this->any())
      ->method('getFieldStorageDefinitions')
      ->with('test_entity')
      ->willReturn([
      'body' => $field_storage,
    ]);
    $table_mapping = $this->createMock('Drupal\\Core\\Entity\\Sql\\TableMappingInterface');
    $table_mapping->expects($this->any())
      ->method('getFieldColumnName')
      ->with($field_storage, 'value')
      ->willReturn('body_value');
    $entity_storage = $this->createMock('Drupal\\Core\\Entity\\Sql\\SqlEntityStorageInterface');
    $entity_storage->expects($this->any())
      ->method('getTableMapping')
      ->willReturn($table_mapping);
    $this->entityTypeManager
      ->expects($this->any())
      ->method('getStorage')
      ->with('test_entity')
      ->willReturn($entity_storage);
    $options = [
      'group_column' => 'value',
      'group_columns' => [],
      'table' => 'test_entity__body',
    ];
    $handler->init($this->executable, $this->display, $options);
    $query = $this->getMockBuilder('Drupal\\views\\Plugin\\views\\query\\Sql')
      ->disableOriginalConstructor()
      ->getMock();
    $query->expects($this->once())
      ->method('ensureTable')
      ->with('test_entity__body', NULL)
      ->willReturn('test_entity__body');
    // Ensure that we add the title field to the query, if we group by some
    // other field in the view.
    $query->expects($this->once())
      ->method('addField')
      ->with('test_entity__body', 'body_value');
    $this->executable->query = $query;
    $handler->query(TRUE);
  }
  
  /**
   * Tests prepare items by delta.
   *
   * @legacy-covers ::prepareItemsByDelta
   */
  public function testPrepareItemsByDelta(array $options, array $expected_values) : void {
    $definition = [
      'entity_type' => 'test_entity',
      'field_name' => 'integer',
    ];
    $handler = new FieldTestEntityField([], 'field', $definition, $this->entityTypeManager, $this->formatterPluginManager, $this->fieldTypePluginManager, $this->languageManager, $this->renderer, $this->entityRepository, $this->entityFieldManager, $this->entityTypeBundleInfo);
    $handler->view = $this->executable;
    $handler->view->field = [
      $handler,
    ];
    $this->setupLanguageRenderer($handler, $definition);
    $field_storage = $this->getConfigFieldStorage();
    $field_storage->expects($this->any())
      ->method('getCardinality')
      ->willReturn(FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);
    $this->entityFieldManager
      ->expects($this->any())
      ->method('getFieldStorageDefinitions')
      ->with('test_entity')
      ->willReturn([
      'integer' => $field_storage,
    ]);
    $table_mapping = $this->createMock('Drupal\\Core\\Entity\\Sql\\TableMappingInterface');
    $table_mapping->expects($this->any())
      ->method('getFieldColumnName')
      ->with($field_storage, 'value')
      ->willReturn('integer_value');
    $entity_storage = $this->createMock('Drupal\\Core\\Entity\\Sql\\SqlEntityStorageInterface');
    $entity_storage->expects($this->any())
      ->method('getTableMapping')
      ->willReturn($table_mapping);
    $this->entityTypeManager
      ->expects($this->any())
      ->method('getStorage')
      ->with('test_entity')
      ->willReturn($entity_storage);
    $options = [
      'group_column' => 'value',
      'group_columns' => [],
      'table' => 'test_entity__integer',
    ] + $options;
    $handler->init($this->executable, $this->display, $options);
    $this->executable->row_index = 0;
    $this->executable->result = [
      0 => new ResultRow([]),
    ];
    $items = [
      3,
      1,
      4,
      1,
      5,
      9,
    ];
    $this->assertEquals($expected_values, $handler->executePrepareItemsByDelta($items));
  }
  
  /**
   * Provides test data for testPrepareItemsByDelta().
   */
  public static function providerTestPrepareItemsByDelta() {
    $data = [];
    // Let's display all values.
    $data[] = [
      [],
      [
        3,
        1,
        4,
        1,
        5,
        9,
      ],
    ];
    // Test just reversed deltas.
    $data[] = [
      [
        'delta_reversed' => TRUE,
      ],
      [
        9,
        5,
        1,
        4,
        1,
        3,
      ],
    ];
    // Test combinations of delta limit, offset and first_last.
    $data[] = [
      [
        'group_rows' => TRUE,
        'delta_limit' => 3,
      ],
      [
        3,
        1,
        4,
      ],
    ];
    $data[] = [
      [
        'group_rows' => TRUE,
        'delta_limit' => 3,
        'delta_offset' => 2,
      ],
      [
        4,
        1,
        5,
      ],
    ];
    $data[] = [
      [
        'group_rows' => TRUE,
        'delta_reversed' => TRUE,
        'delta_limit' => 3,
        'delta_offset' => 2,
      ],
      [
        1,
        4,
        1,
      ],
    ];
    $data[] = [
      [
        'group_rows' => TRUE,
        'delta_first_last' => TRUE,
      ],
      [
        3,
        9,
      ],
    ];
    $data[] = [
      [
        'group_rows' => TRUE,
        'delta_limit' => 1,
        'delta_first_last' => TRUE,
      ],
      [
        3,
      ],
    ];
    $data[] = [
      [
        'group_rows' => TRUE,
        'delta_offset' => 1,
        'delta_first_last' => TRUE,
      ],
      [
        1,
        9,
      ],
    ];
    // Test with string values where we would expect integers to be provided.
    $data[] = [
      [
        'group_rows' => TRUE,
        'delta_limit' => 'All',
      ],
      [
        3,
        1,
        4,
        1,
        5,
        9,
      ],
    ];
    $data[] = [
      [
        'group_rows' => TRUE,
        'delta_limit' => 'three',
      ],
      [
        3,
        1,
        4,
        1,
        5,
        9,
      ],
    ];
    $data[] = [
      [
        'group_rows' => TRUE,
        'delta_limit' => 'three',
        'delta_offset' => 'two',
      ],
      [
        3,
        1,
        4,
        1,
        5,
        9,
      ],
    ];
    return $data;
  }
  
  /**
   * Returns a mocked base field storage object.
   *
   * @return \Drupal\Core\Field\FieldStorageDefinitionInterface|\PHPUnit\Framework\MockObject\MockObject
   *   The mocked field storage object.
   */
  protected function getBaseFieldStorage() {
    $title_storage = $this->createMock('Drupal\\Core\\Field\\FieldStorageDefinitionInterface');
    $title_storage->expects($this->any())
      ->method('getColumns')
      ->willReturn([
      'value' => [
        'type' => 'varchar',
      ],
    ]);
    $title_storage->expects($this->any())
      ->method('getSettings')
      ->willReturn([]);
    $title_storage->expects($this->any())
      ->method('getConstraints')
      ->willReturn([]);
    return $title_storage;
  }
  
  /**
   * Returns a mocked configurable field storage object.
   *
   * @return \Drupal\field\FieldStorageConfigInterface|\PHPUnit\Framework\MockObject\MockObject
   *   The mocked field storage object.
   */
  protected function getConfigFieldStorage() {
    $title_storage = $this->createMock('Drupal\\field\\FieldStorageConfigInterface');
    $title_storage->expects($this->any())
      ->method('getColumns')
      ->willReturn([
      'value' => [
        'type' => 'varchar',
      ],
    ]);
    $title_storage->expects($this->any())
      ->method('getSettings')
      ->willReturn([]);
    $title_storage->expects($this->any())
      ->method('getConstraints')
      ->willReturn([]);
    return $title_storage;
  }
  
  /**
   * Provides sort orders for clickSort() test methods.
   *
   * @return array
   *   An array of sort orders.
   */
  public static function providerSortOrders() {
    return [
      [
        'asc',
      ],
      [
        'desc',
      ],
      [
        'ASC',
      ],
      [
        'DESC',
      ],
    ];
  }
  
  /**
   * Setup the mock data needed to make language renderers work.
   *
   * @param \Drupal\views\Plugin\views\field\EntityField $handler
   *   The field handler.
   * @param array $definition
   *   An array with entity type definition data.
   */
  protected function setupLanguageRenderer(EntityField $handler, $definition) : void {
    $display_handler = $this->getMockBuilder('\\Drupal\\views\\Plugin\\views\\display\\DisplayPluginBase')
      ->disableOriginalConstructor()
      ->getMock();
    $display_handler->expects($this->any())
      ->method('getOption')
      ->with($this->equalTo('rendering_language'))
      ->willReturn('en');
    $handler->view->display_handler = $display_handler;
    $data['table']['entity type'] = $definition['entity_type'];
    $views_data = $this->getMockBuilder('\\Drupal\\views\\ViewsData')
      ->disableOriginalConstructor()
      ->getMock();
    $views_data->expects($this->any())
      ->method('get')
      ->willReturn($data);
    $this->container
      ->set('views.views_data', $views_data);
    $entity_type = $this->createMock('\\Drupal\\Core\\Entity\\EntityTypeInterface');
    $entity_type->expects($this->any())
      ->method('id')
      ->willReturn($definition['entity_type']);
    $this->entityTypeManager
      ->expects($this->any())
      ->method('getDefinition')
      ->willReturn($entity_type);
  }

}

/**
 * Stub class for testing EntityField methods.
 */
class FieldTestEntityField extends EntityField {
  
  /**
   * {@inheritdoc}
   */
  public function executePrepareItemsByDelta(array $all_values) {
    return $this->prepareItemsByDelta($all_values);
  }

}