DuplicateTest.php

<?php

namespace Drupal\Tests\views_ui\Functional;


/**
 * Tests the UI for view duplicate tool.
 *
 * @group views_ui
 */
class DuplicateTest extends UITestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    protected function setUp($import_test_views = TRUE) {
        parent::setUp($import_test_views);
        $this->placeBlock('page_title_block');
    }
    
    /**
     * Checks if duplicated view exists and has correct label.
     */
    public function testDuplicateView() {
        // Create random view.
        $random_view = $this->randomView();
        // Initialize array for duplicated view.
        $view = [];
        // Generate random label and id for new view.
        $view['label'] = $this->randomMachineName(255);
        $view['id'] = strtolower($this->randomMachineName(128));
        // Duplicate view.
        $this->drupalPostForm('admin/structure/views/view/' . $random_view['id'] . '/duplicate', $view, t('Duplicate'));
        // Assert that the page url is correct.
        $this->assertUrl('admin/structure/views/view/' . $view['id'], [], 'Make sure the view saving was successful and the browser got redirected to the edit page.');
        // Assert that the page title is correctly displayed.
        $this->assertText($view['label']);
    }

}