class DisplayKernelTest

class DisplayKernelTest extends ViewsKernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'block',
        'node',
        'field',
        'user',
    ];
    
    /**
     * Views plugin types to test.
     *
     * @var array
     */
    protected $pluginTypes = [
        'access',
        'cache',
        'query',
        'exposed_form',
        'pager',
        'style',
        'row',
    ];
    
    /**
     * Views handler types to test.
     *
     * @var array
     */
    protected $handlerTypes = [
        'fields',
        'sorts',
    ];
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_display_defaults',
        'test_view',
    ];
    
    /**
     * Tests the default display options.
     */
    public function testDefaultOptions() : void {
        // Save the view.
        $view = Views::getView('test_display_defaults');
        $view->mergeDefaults();
        $view->save();
        // Reload to get saved storage values.
        $view = Views::getView('test_display_defaults');
        $view->initDisplay();
        $display_data = $view->storage
            ->get('display');
        foreach ($view->displayHandlers as $id => $display) {
            // Test the view plugin options against the storage.
            foreach ($this->pluginTypes as $type) {
                $options = $display->getOption($type);
                $this->assertSame($display_data[$id]['display_options'][$type]['options'], $options['options']);
            }
            // Test the view handler options against the storage.
            foreach ($this->handlerTypes as $type) {
                $options = $display->getOption($type);
                $this->assertSame($display_data[$id]['display_options'][$type], $options);
            }
        }
    }
    
    /**
     * Tests the \Drupal\views\Plugin\views\display\DisplayPluginBase::getPlugin() method.
     */
    public function testGetPlugin() : void {
        $view = Views::getView('test_display_defaults');
        $view->initDisplay();
        $display_handler = $view->display_handler;
        $this->assertInstanceOf(AccessPluginBase::class, $display_handler->getPlugin('access'));
        $this->assertInstanceOf(CachePluginBase::class, $display_handler->getPlugin('cache'));
        $this->assertInstanceOf(ExposedFormPluginInterface::class, $display_handler->getPlugin('exposed_form'));
        $this->assertInstanceOf(PagerPluginBase::class, $display_handler->getPlugin('pager'));
        $this->assertInstanceOf(QueryPluginBase::class, $display_handler->getPlugin('query'));
        $this->assertInstanceOf(RowPluginBase::class, $display_handler->getPlugin('row'));
        $this->assertInstanceOf(StylePluginBase::class, $display_handler->getPlugin('style'));
        // Test that nothing is returned when an invalid type is requested.
        $this->assertNull($display_handler->getPlugin('invalid'), 'NULL was returned for an invalid instance');
        // Test that nothing was returned for an instance with no 'type' in options.
        unset($display_handler->options['access']);
        $this->assertNull($display_handler->getPlugin('access'), 'NULL was returned for a plugin type with no "type" option');
        // Get a plugin twice, and make sure the same instance is returned.
        $view->destroy();
        $view->initDisplay();
        $first = spl_object_hash($display_handler->getPlugin('style'));
        $second = spl_object_hash($display_handler->getPlugin('style'));
        $this->assertSame($first, $second, 'The same plugin instance was returned.');
    }
    
    /**
     * Tests the ::isIdentifierUnique method.
     */
    public function testisIdentifierUnique() : void {
        $view = Views::getView('test_view');
        $view->initDisplay();
        // Add a handler that doesn't have an Identifier when exposed.
        $sorts = [
            'name' => [
                'id' => 'name',
                'field' => 'name',
                'table' => 'views_test_data',
                'plugin_id' => 'standard',
                'order' => 'asc',
                'expose' => [
                    'label' => 'Id',
                    'field_identifier' => 'name',
                ],
                'exposed' => TRUE,
            ],
        ];
        // Add a handler that does have an Identifier when exposed.
        $filters = [
            'id' => [
                'field' => 'id',
                'id' => 'id',
                'table' => 'views_test_data',
                'value' => [],
                'plugin_id' => 'numeric',
                'exposed' => TRUE,
                'expose' => [
                    'operator_id' => '',
                    'label' => 'Id',
                    'description' => '',
                    'identifier' => 'id',
                    'required' => FALSE,
                    'remember' => FALSE,
                    'multiple' => FALSE,
                ],
            ],
        ];
        $view->display_handler
            ->setOption('sorts', $sorts);
        $view->display_handler
            ->setOption('filters', $filters);
        $this->assertTrue($view->display_handler
            ->isIdentifierUnique('some_id', 'some_id'));
        $this->assertFalse($view->display_handler
            ->isIdentifierUnique('some_id', 'id'));
        // Check that an exposed filter is able to use the same identifier as an
        // exposed sort.
        $sorts['name']['expose']['field_identifier'] = 'id';
        $view->display_handler->handlers = [];
        $view->display_handler
            ->setOption('sorts', $sorts);
        $this->assertTrue($view->display_handler
            ->isIdentifierUnique('id', 'id'));
    }

}