NodeLinksTest.php

<?php

namespace Drupal\Tests\node\Functional;

use Drupal\node\NodeInterface;

/**
 * Tests the output of node links (read more, add new comment, etc).
 *
 * @group node
 */
class NodeLinksTest extends NodeTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'views',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests that the links can be hidden in the view display settings.
     */
    public function testHideLinks() {
        $node = $this->drupalCreateNode([
            'type' => 'article',
            'promote' => NodeInterface::PROMOTED,
        ]);
        // Links are displayed by default.
        $this->drupalGet('node');
        $this->assertText($node->getTitle());
        $this->assertSession()
            ->linkExists('Read more');
        // Hide links.
        \Drupal::service('entity_display.repository')->getViewDisplay('node', 'article', 'teaser')
            ->removeComponent('links')
            ->save();
        $this->drupalGet('node');
        $this->assertText($node->getTitle());
        $this->assertSession()
            ->linkNotExists('Read more');
    }

}