FieldTest.php

<?php


/**
 * @file
 * Contains \Drupal\Tests\views\Unit\Plugin\field\FieldTest.
 */
namespace Drupal\Tests\views\Unit\Plugin\field;

use Drupal\Core\Entity\EntityFieldManagerInterface;
use Drupal\Core\Entity\EntityRepositoryInterface;
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 Symfony\Component\DependencyInjection\ContainerBuilder;

/**
 * @coversDefaultClass \Drupal\views\Plugin\views\field\EntityField
 * @group views
 */
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 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() {
        parent::setUp();
        $this->entityTypeManager = $this->createMock(EntityTypeManagerInterface::class);
        $this->entityFieldManager = $this->createMock(EntityFieldManagerInterface::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);
    }
    
    /**
     * @covers ::__construct
     */
    public function testConstruct() {
        $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->assertEquals('title', $handler->definition['field_name']);
    }
    
    /**
     * @covers ::defineOptions
     */
    public function testDefineOptionsWithNoOptions() {
        $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);
        // Setup the entity 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']);
    }
    
    /**
     * @covers ::defineOptions
     */
    public function testDefineOptionsWithDefaultFormatterOnFieldDefinition() {
        $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);
        // Setup the entity 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']);
    }
    
    /**
     * @covers ::defineOptions
     */
    public function testDefineOptionsWithDefaultFormatterOnFieldType() {
        $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);
        // Setup the entity 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']);
    }
    
    /**
     * @covers ::calculateDependencies
     */
    public function testCalculateDependenciesWithBaseField() {
        $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);
        $title_storage = $this->getBaseFieldStorage();
        $this->entityFieldManager
            ->expects($this->atLeastOnce())
            ->method('getFieldStorageDefinitions')
            ->with('test_entity')
            ->willReturn([
            'title' => $title_storage,
        ]);
        $dependencies = $handler->calculateDependencies();
        $this->assertEmpty($dependencies);
    }
    
    /**
     * @covers ::calculateDependencies
     */
    public function testCalculateDependenciesWithConfiguredField() {
        $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);
        $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);
    }
    
    /**
     * @covers ::access
     */
    public function testAccess() {
        $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);
        $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));
    }
    
    /**
     * @dataProvider providerSortOrders
     *
     * @param string $order
     *   The sort order.
     */
    public function testClickSortWithOutConfiguredColumn($order) {
        $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);
        $handler->view = $this->executable;
        $this->entityFieldManager
            ->expects($this->never())
            ->method('getFieldStorageDefinitions');
        $handler->clickSort($order);
    }
    
    /**
     * @dataProvider providerSortOrders
     *
     * @param string $order
     *   The sort order.
     *
     * @covers ::clickSort
     */
    public function testClickSortWithBaseField($order) {
        $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);
        $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);
    }
    
    /**
     * @dataProvider providerSortOrders
     *
     * @param string $order
     *   The sort order.
     *
     * @covers ::clickSort
     */
    public function testClickSortWithConfiguredField($order) {
        $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);
        $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);
    }
    
    /**
     * @covers ::query
     */
    public function testQueryWithGroupByForBaseField() {
        $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);
        $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);
    }
    
    /**
     * @covers ::query
     */
    public function testQueryWithGroupByForConfigField() {
        $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);
        $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);
    }
    
    /**
     * @covers ::prepareItemsByDelta
     *
     * @dataProvider providerTestPrepareItemsByDelta
     */
    public function testPrepareItemsByDelta(array $options, array $expected_values) {
        $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);
        $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 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,
            ],
        ];
        return $data;
    }
    
    /**
     * Returns a mocked base field storage object.
     *
     * @return \Drupal\Core\Field\FieldStorageDefinitionInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    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
     */
    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
     */
    public 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 $definition
     *   An array with entity type definition data.
     */
    protected function setupLanguageRenderer(EntityField $handler, $definition) {
        $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);
    }

}
class FieldTestEntityField extends EntityField {
    public function executePrepareItemsByDelta(array $all_values) {
        return $this->prepareItemsByDelta($all_values);
    }

}