FrontPageLinkDependenciesTest.php

<?php

namespace Drupal\Tests\testing_example\Functional;

use Drupal\Tests\BrowserTestBase;

/**
 * Tests core menu behavior.
 *
 * This test uses BrowserTestBase to set up a fixture site so that we can test
 * for the existence of the 'Add content' link normally provided by the Standard
 * profile.
 *
 * The 'bonus points' are a reward for the effort to explicitly build up the
 * dependencies, rather than simply using the Standard profile.
 *
 * This test is meant to support a Drupalize.me tutorial.
 *
 * @group testing_example
 *
 * @see \Drupal\Tests\testing_example\Functional\FrontPageLinkTest
 */
class FrontPageLinkDependenciesTest extends BrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'node',
        'block',
        'user',
    ];
    
    /**
     * Our node type.
     *
     * @var \Drupal\node\Entity\NodeType
     */
    protected $contentType;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        // Always call the parent setUp().
        parent::setUp();
        // Add the Tools menu block, as provided by the Block module.
        $this->placeBlock('system_menu_block:tools');
        // Add a content type.
        $this->contentType = $this->createContentType();
    }
    
    /**
     * Tests for the existence of a default menu item on the home page.
     *
     * We'll open the home page and look for the Tools menu link called 'Add
     * content.'
     */
    public function testAddContentMenuItem() {
        // Step 1: Log in a user who can add content.
        $this->drupalLogin($this->createUser([
            'create ' . $this->contentType
                ->id() . ' content',
        ]));
        // Step 2: Visit the home path.
        $this->drupalGet($this->buildUrl(''));
        // Step 3: Look on the page for the 'Add content' link.
        $this->assertSession()
            ->linkExists('Add content');
    }

}