FrontPageTest.php

<?php

namespace Drupal\Tests\system\Functional\System;

use Drupal\Tests\BrowserTestBase;

/**
 * Tests front page functionality and administration.
 *
 * @group system
 */
class FrontPageTest extends BrowserTestBase {
  
  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'node',
    'system_test',
    'views',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * The path to a node that is created for testing.
   *
   * @var string
   */
  protected $nodePath;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    // Create admin user, log in admin user, and create one node.
    $this->drupalLogin($this->drupalCreateUser([
      'access content',
      'administer site configuration',
    ]));
    $this->drupalCreateContentType([
      'type' => 'page',
    ]);
    $this->nodePath = "node/" . $this->drupalCreateNode([
      'promote' => 1,
    ])
      ->id();
    // Configure 'node' as front page.
    $this->config('system.site')
      ->set('page.front', '/node')
      ->save();
    // Enable front page logging in system_test.module.
    \Drupal::state()->set('system_test.front_page_output', 1);
  }
  
  /**
   * Tests front page functionality.
   */
  public function testDrupalFrontPage() {
    // Create a promoted node to test the <title> tag on the front page view.
    $settings = [
      'title' => $this->randomMachineName(8),
      'promote' => 1,
    ];
    $this->drupalCreateNode($settings);
    $this->drupalGet('');
    $this->assertSession()
      ->titleEquals('Home | Drupal');
    // Check that path is the front page.
    $this->assertSession()
      ->pageTextContains('On front page.');
    $this->drupalGet('node');
    $this->assertSession()
      ->pageTextContains('On front page.');
    $this->drupalGet($this->nodePath);
    $this->assertSession()
      ->pageTextNotContains('On front page.');
    // Change the front page to an invalid path.
    $edit = [
      'site_frontpage' => '/kittens',
    ];
    $this->drupalGet('admin/config/system/site-information');
    $this->submitForm($edit, 'Save configuration');
    $this->assertSession()
      ->pageTextContains("Either the path '" . $edit['site_frontpage'] . "' is invalid or you do not have access to it.");
    // Change the front page to a path without a starting slash.
    $edit = [
      'site_frontpage' => $this->nodePath,
    ];
    $this->drupalGet('admin/config/system/site-information');
    $this->submitForm($edit, 'Save configuration');
    $this->assertSession()
      ->pageTextContains("The path '{$edit['site_frontpage']}' has to start with a slash.");
    // Change the front page to a valid path.
    $edit['site_frontpage'] = '/' . $this->nodePath;
    $this->drupalGet('admin/config/system/site-information');
    $this->submitForm($edit, 'Save configuration');
    // Check that the front page path has been saved.
    $this->assertSession()
      ->pageTextContains('The configuration options have been saved.');
    // Check that path is the front page.
    $this->drupalGet('');
    $this->assertSession()
      ->pageTextContains('On front page.');
    $this->drupalGet('node');
    $this->assertSession()
      ->pageTextNotContains('On front page.');
    $this->drupalGet($this->nodePath);
    $this->assertSession()
      ->pageTextContains('On front page.');
  }

}