class DisplayCRUDTest

class DisplayCRUDTest extends UITestBase {
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_display',
    ];
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'contextual',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests adding a display.
     */
    public function testAddDisplay() : void {
        // Show the default display.
        $this->config('views.settings')
            ->set('ui.show.default_display', TRUE)
            ->save();
        $settings['page[create]'] = FALSE;
        $view = $this->randomView($settings);
        $path_prefix = 'admin/structure/views/view/' . $view['id'] . '/edit';
        $this->drupalGet($path_prefix);
        // Add a new display.
        $this->submitForm([], 'Add Page');
        $this->assertSession()
            ->linkByHrefExists($path_prefix . '/page_1', 0, 'Make sure after adding a display the new display appears in the UI');
        $this->assertSession()
            ->linkNotExists('Default*', 'Make sure the default display is not marked as changed.');
        $this->assertSession()
            ->linkExists('Page*', 0, 'Make sure the added display is marked as changed.');
        $this->drupalGet("admin/structure/views/nojs/display/{$view['id']}/page_1/path");
        $this->submitForm([
            'path' => 'test/path',
        ], 'Apply');
        $this->submitForm([], 'Save');
    }
    
    /**
     * Tests removing a display.
     */
    public function testRemoveDisplay() : void {
        $view = $this->randomView();
        $path_prefix = 'admin/structure/views/view/' . $view['id'] . '/edit';
        // Make sure there is no delete button on the default display.
        $this->drupalGet($path_prefix . '/default');
        $this->assertSession()
            ->buttonNotExists('edit-displays-settings-settings-content-tab-content-details-top-actions-delete');
        $this->drupalGet($path_prefix . '/page_1');
        $this->assertSession()
            ->buttonExists('edit-displays-settings-settings-content-tab-content-details-top-actions-delete');
        // Delete the page, so we can test the undo process.
        $this->drupalGet($path_prefix . '/page_1');
        $this->submitForm([], 'Delete Page');
        $this->assertSession()
            ->buttonExists('edit-displays-settings-settings-content-tab-content-details-top-actions-undo-delete');
        // Test that the display link is marked as to be deleted.
        $this->assertSession()
            ->elementExists('xpath', "//a[contains(@href, '{$path_prefix}/page_1') and contains(@class, 'views-display-deleted-link')]");
        // Undo the deleting of the display.
        $this->drupalGet($path_prefix . '/page_1');
        $this->submitForm([], 'Undo delete of Page');
        $this->assertSession()
            ->buttonNotExists('edit-displays-settings-settings-content-tab-content-details-top-actions-undo-delete');
        $this->assertSession()
            ->buttonExists('edit-displays-settings-settings-content-tab-content-details-top-actions-delete');
        // Now delete again and save the view.
        $this->drupalGet($path_prefix . '/page_1');
        $this->submitForm([], 'Delete Page');
        $this->submitForm([], 'Save');
        $this->assertSession()
            ->linkByHrefNotExists($path_prefix . '/page_1', 'Make sure there is no display tab for the deleted display.');
        // Test deleting a display that has a modified machine name.
        $view = $this->randomView();
        $machine_name = 'new_machine_name';
        $path_prefix = 'admin/structure/views/view/' . $view['id'] . '/edit';
        $this->drupalGet("admin/structure/views/nojs/display/{$view['id']}/page_1/display_id");
        $this->submitForm([
            'display_id' => $machine_name,
        ], 'Apply');
        $this->submitForm([], 'Delete Page');
        $this->submitForm([], 'Save');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->linkByHrefNotExists($path_prefix . '/new_machine_name', 'Make sure there is no display tab for the deleted display.');
    }
    
    /**
     * Tests that the correct display is loaded by default.
     */
    public function testDefaultDisplay() : void {
        $this->drupalGet('admin/structure/views/view/test_display');
        $this->assertSession()
            ->elementsCount('xpath', '//*[@id="views-page-1-display-title"]', 1);
    }
    
    /**
     * Tests the duplicating of a display.
     */
    public function testDuplicateDisplay() : void {
        $view = $this->randomView();
        $path_prefix = 'admin/structure/views/view/' . $view['id'] . '/edit';
        $path = $view['page[path]'];
        $this->drupalGet($path_prefix);
        $this->submitForm([], 'Duplicate Page');
        // Verify that the user got redirected to the new display.
        $this->assertSession()
            ->linkByHrefExists($path_prefix . '/page_2', 0, 'Make sure after duplicating the new display appears in the UI');
        $this->assertSession()
            ->addressEquals($path_prefix . '/page_2');
        // Set the title and override the css classes.
        $random_title = $this->randomMachineName();
        $random_css = $this->randomMachineName();
        $this->drupalGet("admin/structure/views/nojs/display/{$view['id']}/page_2/title");
        $this->submitForm([
            'title' => $random_title,
        ], 'Apply');
        $this->drupalGet("admin/structure/views/nojs/display/{$view['id']}/page_2/css_class");
        $this->submitForm([
            'override[dropdown]' => 'page_2',
            'css_class' => $random_css,
        ], 'Apply');
        // Duplicate as a different display type.
        $this->submitForm([], 'Duplicate as Block');
        $this->assertSession()
            ->linkByHrefExists($path_prefix . '/block_1', 0, 'Make sure after duplicating the new display appears in the UI');
        $this->assertSession()
            ->addressEquals($path_prefix . '/block_1');
        $this->assertSession()
            ->pageTextContains('Block settings');
        $this->assertSession()
            ->pageTextNotContains('Page settings');
        $this->submitForm([], 'Save');
        $view = Views::getView($view['id']);
        $view->initDisplay();
        $page_2 = $view->displayHandlers
            ->get('page_2');
        $this->assertNotEmpty($page_2, 'The new page display got saved.');
        $this->assertEquals('Page', $page_2->display['display_title']);
        $this->assertEquals($path, $page_2->display['display_options']['path']);
        $block_1 = $view->displayHandlers
            ->get('block_1');
        $this->assertNotEmpty($block_1, 'The new block display got saved.');
        $this->assertEquals('block', $block_1->display['display_plugin']);
        $this->assertEquals('Block', $block_1->display['display_title'], 'The new display title got generated as expected.');
        $this->assertFalse(isset($block_1->display['display_options']['path']));
        $this->assertEquals($random_title, $block_1->getOption('title'), 'The overridden title option from the display got copied into the duplicate');
        $this->assertEquals($random_css, $block_1->getOption('css_class'), 'The overridden css_class option from the display got copied into the duplicate');
        // Test duplicating a display after changing the machine name.
        $view_id = $view->id();
        $this->drupalGet("admin/structure/views/nojs/display/{$view_id}/page_2/display_id");
        $this->submitForm([
            'display_id' => 'page_new',
        ], 'Apply');
        $this->submitForm([], 'Duplicate as Block');
        $this->submitForm([], 'Save');
        $view = Views::getView($view_id);
        $view->initDisplay();
        $this->assertNotNull($view->displayHandlers
            ->get('page_new'), 'The original display is saved with a changed id');
        $this->assertNotNull($view->displayHandlers
            ->get('block_2'), 'The duplicate display is saved with new id');
    }

}