class FilterEntityReferenceTest

class FilterEntityReferenceTest extends ViewsKernelTestBase {
    use ContentTypeCreationTrait;
    use EntityReferenceFieldCreationTrait;
    use NodeCreationTrait;
    use UserCreationTrait;
    
    /**
     * {@inheritdoc}
     */
    public static $testViews = [
        'test_filter_entity_reference',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'system',
        'node',
        'user',
        'field',
        'text',
        'filter',
        'views',
        'views_test_entity_reference',
    ];
    
    /**
     * Test host nodes containing the entity reference.
     *
     * @var \Drupal\node\NodeInterface[]
     */
    protected array $hostNodes;
    
    /**
     * Test target nodes referenced by the entity reference.
     *
     * @var \Drupal\node\NodeInterface[]
     */
    protected array $targetNodes;
    
    /**
     * First test user as node author.
     *
     * @var \Drupal\user\UserInterface
     */
    protected UserInterface $user1;
    
    /**
     * Second test user as node author.
     *
     * @var \Drupal\user\UserInterface
     */
    protected UserInterface $user2;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp($import_test_views = TRUE) : void {
        parent::setUp(FALSE);
        $this->installEntitySchema('node');
        $this->installEntitySchema('user');
        $this->installConfig([
            'node',
            'user',
            'filter',
        ]);
        ViewTestData::createTestViews(static::class, [
            'views_test_config',
        ]);
        // Create two node types.
        $this->createContentType([
            'type' => 'page',
        ]);
        $this->createContentType([
            'type' => 'article',
        ]);
        // Add an entity reference field to the page type referencing the article
        // type.
        $selection_handler_settings = [
            'target_bundles' => [
                'article' => 'article',
            ],
        ];
        $this->createEntityReferenceField('node', 'page', 'field_test', 'Test reference', 'node', $selection_handler = 'default', $selection_handler_settings, FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);
        // Create user 1.
        $this->user1 = $this->createUser();
        $this->user2 = $this->createUser();
        // Create target nodes to be referenced.
        foreach (range(0, 5) as $count) {
            $this->targetNodes[$count] = $this->createNode([
                'type' => 'article',
                'title' => 'Article ' . $count,
                'status' => 1,
                'uid' => $this->user1,
            ]);
        }
        // Create a page referencing Article 0 and Article 1.
        $this->hostNodes[0] = $this->createNode([
            'type' => 'page',
            'title' => 'Page 0',
            'status' => 1,
            'created' => time(),
            'field_test' => [
                $this->targetNodes[0]
                    ->id(),
                $this->targetNodes[1]
                    ->id(),
            ],
            'uid' => $this->user2,
        ]);
        // Create a page referencing Article 1, Article 2, and Article 3.
        $this->hostNodes[1] = $this->createNode([
            'type' => 'page',
            'title' => 'Page 1',
            'status' => 1,
            'created' => time() - 100,
            'field_test' => [
                $this->targetNodes[1]
                    ->id(),
                $this->targetNodes[2]
                    ->id(),
                $this->targetNodes[3]
                    ->id(),
            ],
            'uid' => $this->user2,
        ]);
        // Create a page referencing nothing.
        $this->hostNodes[2] = $this->createNode([
            'type' => 'page',
            'title' => 'Page 2',
            'status' => 1,
            'created' => time() - 200,
            'uid' => $this->user2,
        ]);
    }
    
    /**
     * Tests that results are successfully filtered by the select list widget.
     */
    public function testViewEntityReferenceAsSelectList() : void {
        $view = Views::getView('test_filter_entity_reference');
        $view->setDisplay();
        $view->preExecute([]);
        $view->setExposedInput([
            'field_test_target_id' => [
                $this->targetNodes[0]
                    ->id(),
            ],
        ]);
        $this->executeView($view);
        // Expect to have only Page 0, with Article 0 referenced.
        $expected = [
            [
                'title' => 'Page 0',
            ],
        ];
        $this->assertIdenticalResultset($view, $expected, [
            'title' => 'title',
        ]);
        // Change to both Article 0 and Article 3.
        $view = Views::getView('test_filter_entity_reference');
        $view->setDisplay();
        $view->setExposedInput([
            'field_test_target_id' => [
                $this->targetNodes[0]
                    ->id(),
                $this->targetNodes[3]
                    ->id(),
            ],
        ]);
        $this->executeView($view);
        // Expect to have Page 0 and 1, with Article 0 and 3 referenced.
        $expected = [
            [
                'title' => 'Page 0',
            ],
            [
                'title' => 'Page 1',
            ],
        ];
        $this->assertIdenticalResultset($view, $expected, [
            'title' => 'title',
        ]);
    }
    
    /**
     * Tests that results are successfully filtered by the autocomplete widget.
     */
    public function testViewEntityReferenceAsAutocomplete() : void {
        // Change the widget to autocomplete.
        $view = Views::getView('test_filter_entity_reference');
        $view->setDisplay();
        $filters = $view->displayHandlers
            ->get('default')
            ->getOption('filters');
        $filters['field_test_target_id']['widget'] = EntityReference::WIDGET_AUTOCOMPLETE;
        $view->displayHandlers
            ->get('default')
            ->overrideOption('filters', $filters);
        $view->setExposedInput([
            'field_test_target_id' => [
                [
                    'target_id' => $this->targetNodes[0]
                        ->id(),
                ],
                [
                    'target_id' => $this->targetNodes[3]
                        ->id(),
                ],
            ],
        ]);
        $this->executeView($view);
        // Expect to have Page 0 and 1, with Article 0 and 3 referenced.
        $expected = [
            [
                'title' => 'Page 0',
            ],
            [
                'title' => 'Page 1',
            ],
        ];
        $this->assertIdenticalResultset($view, $expected, [
            'title' => 'title',
        ]);
    }
    
    /**
     * Tests that content dependencies are added to the view.
     */
    public function testViewContentDependencies() : void {
        $view = Views::getView('test_filter_entity_reference');
        $value = [
            $this->targetNodes[0]
                ->id(),
            $this->targetNodes[3]
                ->id(),
        ];
        $view->setHandlerOption('default', 'filter', 'field_test_target_id', 'value', $value);
        // Dependencies are sorted.
        $content_dependencies = [
            $this->targetNodes[0]
                ->getConfigDependencyName(),
            $this->targetNodes[3]
                ->getConfigDependencyName(),
        ];
        sort($content_dependencies);
        $this->assertEquals([
            'config' => [
                'node.type.page',
            ],
            'content' => $content_dependencies,
            'module' => [
                'node',
                'user',
            ],
        ], $view->getDependencies());
    }

}