class NodePostSettingsTest

class NodePostSettingsTest extends NodeTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $web_user = $this->drupalCreateUser([
      'create page content',
      'administer content types',
      'access user profiles',
    ]);
    $this->drupalLogin($web_user);
  }
  
  /**
   * Confirms "Basic page" content type and post information is on a new node.
   */
  public function testPagePostInfo() {
    // Set "Basic page" content type to display post information.
    $edit = [];
    $edit['display_submitted'] = TRUE;
    $this->drupalGet('admin/structure/types/manage/page');
    $this->submitForm($edit, 'Save content type');
    // Create a node.
    $edit = [];
    $edit['title[0][value]'] = $this->randomMachineName(8);
    $edit['body[0][value]'] = $this->randomMachineName(16);
    $this->drupalGet('node/add/page');
    $this->submitForm($edit, 'Save');
    // Check that the post information is displayed.
    $node = $this->drupalGetNodeByTitle($edit['title[0][value]']);
    $this->assertSession()
      ->pageTextContainsOnce('Submitted by');
    $node->delete();
    // Set "Basic page" content type to display post information.
    $edit = [];
    $edit['display_submitted'] = FALSE;
    $this->drupalGet('admin/structure/types/manage/page');
    $this->submitForm($edit, 'Save content type');
    // Create a node.
    $edit = [];
    $edit['title[0][value]'] = $this->randomMachineName(8);
    $edit['body[0][value]'] = $this->randomMachineName(16);
    $this->drupalGet('node/add/page');
    $this->submitForm($edit, 'Save');
    // Check that the post information is not displayed.
    $this->assertSession()
      ->pageTextNotContains('Submitted by');
  }

}