class ViewStorageTest

class ViewStorageTest extends ViewsKernelTestBase {
    
    /**
     * Properties that should be stored in the configuration.
     *
     * @var array
     */
    protected $configProperties = [
        'status',
        'module',
        'id',
        'description',
        'tag',
        'base_table',
        'label',
        'display',
    ];
    
    /**
     * The entity type definition.
     *
     * @var \Drupal\Core\Entity\EntityTypeInterface
     */
    protected $entityType;
    
    /**
     * The configuration entity storage.
     *
     * @var \Drupal\Core\Config\Entity\ConfigEntityStorage
     */
    protected $controller;
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_view_storage',
    ];
    
    /**
     * Tests CRUD operations.
     */
    public function testConfigurationEntityCRUD() : void {
        // Get the configuration entity type and controller.
        $this->entityType = \Drupal::entityTypeManager()->getDefinition('view');
        $this->controller = $this->container
            ->get('entity_type.manager')
            ->getStorage('view');
        // Confirm that an info array has been returned.
        $this->assertInstanceOf(EntityTypeInterface::class, $this->entityType);
        // CRUD tests.
        $this->loadTests();
        $this->createTests();
        $this->displayTests();
        // Helper method tests
        $this->displayMethodTests();
    }
    
    /**
     * Tests loading configuration entities.
     */
    protected function loadTests() {
        $view = View::load('test_view_storage');
        $data = $this->config('views.view.test_view_storage')
            ->get();
        // Confirm that an actual view object is loaded and that it returns all of
        // expected properties.
        $this->assertInstanceOf(View::class, $view);
        foreach ($this->configProperties as $property) {
            $this->assertNotNull($view->get($property), "Property: {$property} loaded onto View.");
        }
        // Check the displays have been loaded correctly from config display data.
        $expected_displays = [
            'default',
            'block_1',
            'page_1',
        ];
        $this->assertEquals($expected_displays, array_keys($view->get('display')), 'The correct display names are present.');
        // Check each ViewDisplay object and confirm that it has the correct key and
        // property values.
        foreach ($view->get('display') as $key => $display) {
            $this->assertEquals($key, $display['id'], 'The display has the correct ID assigned.');
            // Get original display data and confirm that the display options array
            // exists.
            $original_options = $data['display'][$key];
            foreach ($original_options as $orig_key => $value) {
                $this->assertSame($display[$orig_key], $value, "{$key} is identical to saved data");
            }
        }
        // Make sure that loaded default views get a UUID.
        $view = Views::getView('test_view_storage');
        $this->assertNotEmpty($view->storage
            ->uuid());
    }
    
    /**
     * Tests creating configuration entities.
     */
    protected function createTests() {
        // Create a new View instance with empty values.
        $created = $this->controller
            ->create([]);
        $this->assertInstanceOf(View::class, $created);
        // Check that the View contains all of the properties.
        foreach ($this->configProperties as $property) {
            $this->assertTrue(property_exists($created, $property), "Property: {$property} created on View.");
        }
        // Create a new View instance with config values.
        $values = $this->config('views.view.test_view_storage')
            ->get();
        $values['id'] = 'test_view_storage_new';
        unset($values['uuid']);
        $created = $this->controller
            ->create($values);
        $this->assertInstanceOf(View::class, $created);
        // Check that the View contains all of the properties.
        $properties = $this->configProperties;
        // Remove display from list.
        array_pop($properties);
        // Test all properties except displays.
        foreach ($properties as $property) {
            $this->assertNotNull($created->get($property), "Property: {$property} created on View.");
            $this->assertSame($values[$property], $created->get($property), "Property value: {$property} matches configuration value.");
        }
        // Check the UUID of the loaded View.
        $created->save();
        $created_loaded = View::load('test_view_storage_new');
        $this->assertSame($created->uuid(), $created_loaded->uuid(), 'The created UUID has been saved correctly.');
    }
    
    /**
     * Tests adding, saving, and loading displays on configuration entities.
     */
    protected function displayTests() {
        // Check whether a display can be added and saved to a View.
        $view = View::load('test_view_storage_new');
        $new_id = $view->addDisplay('page', 'Test', 'test');
        $display = $view->get('display');
        // Ensure the right display_plugin is created/instantiated.
        $this->assertEquals('page', $display[$new_id]['display_plugin'], 'New page display "test" uses the right display plugin.');
        $executable = $view->getExecutable();
        $executable->initDisplay();
        $this->assertInstanceOf(Page::class, $executable->displayHandlers
            ->get($new_id));
        // To save this with a new ID, we should use createDuplicate().
        $view = $view->createDuplicate();
        $view->set('id', 'test_view_storage_new_new2');
        $view->save();
        $values = $this->config('views.view.test_view_storage_new_new2')
            ->get();
        // Verify that the display was saved by ensuring it contains an array of
        // values in the view data.
        $this->assertIsArray($values['display']['test']);
    }
    
    /**
     * Tests the display related functions like getDisplaysList().
     */
    protected function displayMethodTests() {
        $config['display'] = [
            'page_1' => [
                'display_options' => [
                    'path' => 'test',
                ],
                'display_plugin' => 'page',
                'id' => 'page_2',
                'display_title' => 'Page 1',
                'position' => 1,
            ],
            'feed_1' => [
                'display_options' => [
                    'path' => 'test.xml',
                ],
                'display_plugin' => 'feed',
                'id' => 'feed',
                'display_title' => 'Feed',
                'position' => 2,
            ],
            'page_2' => [
                'display_options' => [
                    'path' => 'test/%/extra',
                ],
                'display_plugin' => 'page',
                'id' => 'page_2',
                'display_title' => 'Page 2',
                'position' => 3,
            ],
        ];
        $view = $this->controller
            ->create($config);
        // Tests Drupal\views\Entity\View::addDisplay()
        $view = $this->controller
            ->create([]);
        $random_title = $this->randomMachineName();
        $id = $view->addDisplay('page', $random_title);
        $this->assertEquals('page_1', $id, "Make sure the first display ({$id}) has the expected ID (page_1)");
        $display = $view->get('display');
        $this->assertEquals($random_title, $display[$id]['display_title']);
        $random_title = $this->randomMachineName();
        $id = $view->addDisplay('page', $random_title);
        $display = $view->get('display');
        $this->assertEquals('page_2', $id, "Make sure the second display ({$id}) has the expected ID (page_2)");
        $this->assertEquals($random_title, $display[$id]['display_title']);
        $id = $view->addDisplay('page');
        $display = $view->get('display');
        $this->assertEquals('Page 3', $display[$id]['display_title']);
        // Ensure the 'default' display always has position zero, regardless of when
        // it was set relative to other displays. Even if the 'default' display
        // exists, adding it again will overwrite it, which is asserted with the new
        // title.
        $view->addDisplay('default', $random_title);
        $displays = $view->get('display');
        $this->assertEquals($random_title, $displays['default']['display_title'], 'Default display is defined with the new title');
        $this->assertEquals(0, $displays['default']['position'], 'Default displays are always in position zero');
        // Tests Drupal\views\Entity\View::generateDisplayId(). Since
        // generateDisplayId() is protected, we have to use reflection to unit-test
        // it.
        $view = $this->controller
            ->create([]);
        $ref_generate_display_id = new \ReflectionMethod($view, 'generateDisplayId');
        $this->assertEquals('default', $ref_generate_display_id->invoke($view, 'default'), 'The plugin ID for default is always default.');
        $this->assertEquals('feed_1', $ref_generate_display_id->invoke($view, 'feed'), 'The generated ID for the first instance of a plugin type should have an suffix of _1.');
        $view->addDisplay('feed', 'feed title');
        $this->assertEquals('feed_2', $ref_generate_display_id->invoke($view, 'feed'), 'The generated ID for the first instance of a plugin type should have an suffix of _2.');
        // Tests item related methods().
        $view = $this->controller
            ->create([
            'base_table' => 'views_test_data',
        ]);
        $view->addDisplay('default');
        $view = $view->getExecutable();
        $display_id = 'default';
        $expected_items = [];
        // Tests addHandler with getItem.
        // Therefore add one item without any options and one item with some
        // options.
        $id1 = $view->addHandler($display_id, 'field', 'views_test_data', 'id');
        $item1 = $view->getHandler($display_id, 'field', 'id');
        $expected_items[$id1] = $expected_item = [
            'id' => 'id',
            'table' => 'views_test_data',
            'field' => 'id',
            'plugin_id' => 'numeric',
        ];
        $this->assertEquals($expected_item, $item1);
        $options = [
            'alter' => [
                'text' => $this->randomMachineName(),
            ],
        ];
        $id2 = $view->addHandler($display_id, 'field', 'views_test_data', 'name', $options);
        $item2 = $view->getHandler($display_id, 'field', 'name');
        $expected_items[$id2] = $expected_item = [
            'id' => 'name',
            'table' => 'views_test_data',
            'field' => 'name',
            'plugin_id' => 'standard',
        ] + $options;
        $this->assertEquals($expected_item, $item2);
        // Tests the expected fields from the previous additions.
        $this->assertEquals($expected_items, $view->getHandlers('field', $display_id));
        // Alter an existing item via setItem and check the result via getItem
        // and getItems.
        $item = [
            'alter' => [
                'text' => $this->randomMachineName(),
            ],
        ] + $item1;
        $expected_items[$id1] = $item;
        $view->setHandler($display_id, 'field', $id1, $item);
        $this->assertEquals($item, $view->getHandler($display_id, 'field', 'id'));
        $this->assertEquals($expected_items, $view->getHandlers('field', $display_id));
        // Test removeItem method.
        unset($expected_items[$id2]);
        $view->removeHandler($display_id, 'field', $id2);
        $this->assertEquals($expected_items, $view->getHandlers('field', $display_id));
    }
    
    /**
     * Tests the createDuplicate() View method.
     */
    public function testCreateDuplicate() : void {
        $view = Views::getView('test_view_storage');
        $copy = $view->storage
            ->createDuplicate();
        $this->assertInstanceOf(View::class, $copy);
        // Check that the original view and the copy have different UUIDs.
        $this->assertNotSame($view->storage
            ->uuid(), $copy->uuid(), 'The copied view has a new UUID.');
        // Check the 'name' (ID) is using the View objects default value (NULL) as it
        // gets unset.
        $this->assertNull($copy->id(), 'The ID has been reset.');
        // Check the other properties.
        // @todo Create a reusable property on the base test class for these?
        $config_properties = [
            'disabled',
            'description',
            'tag',
            'base_table',
            'label',
        ];
        foreach ($config_properties as $property) {
            $this->assertSame($view->storage
                ->get($property), $copy->get($property), "{$property} property is identical.");
        }
        // Check the displays are the same.
        $copy_display = $copy->get('display');
        foreach ($view->storage
            ->get('display') as $id => $display) {
            // assertIdentical will not work here.
            $this->assertEquals($copy_display[$id], $display, "The {$id} display has been copied correctly.");
        }
    }

}