public function ExamplesTest::testExampleToolbar in Examples for Developers 8

Same name and namespace in other branches

1. 3.x tests/src/Functional/ExamplesTest.php \Drupal\Tests\examples\Functional\ExamplesTest::testExampleToolbar()

Verify that the toolbar tab and tray are showing and functioning.

File

tests/src/Functional/ExamplesTest.php, line 32

Class

ExamplesTest

Minimal test case for the examples module.

Namespace

Drupal\Tests\examples\Functional

Code

public function testExampleToolbar() {
  $assert = $this
    ->assertSession();

  // Log in a user who can see the toolbar and all the routes in it.
  $this
    ->drupalLogin($this
    ->drupalCreateUser([
    'access content',
    'access toolbar',
  ]));

  // All this should be on the front page.
  $this
    ->drupalGet('');
  $assert
    ->statusCodeEquals(200);

  // Assert that the toolbar tab registered by examples is present.
  $assert
    ->linkExists('Examples');

  // Assert that the toolbar tab registered by examples is present.
  $this
    ->assertNotEmpty($this
    ->xpath('//nav/div/a[@data-toolbar-tray="toolbar-item-examples-tray"]'));

  // Assert that the toolbar tray registered by examples is present.
  $this
    ->assertNotEmpty($this
    ->xpath('//nav/div/div[@data-toolbar-tray="toolbar-item-examples-tray"]'));

  /* @var $module_installer \Drupal\Core\Extension\ModuleInstallerInterface */
  $module_installer = $this->container
    ->get('module_installer');

  // Loop through all the routes. Check that they are not present in the
  // toolbar, enable the module, and then check that they are present in the
  // toolbar.
  foreach (_examples_toolbar_routes() as $module => $route) {

    // Convert the module name to the HTML class.
    $class = Html::getClass($module);
    $xpath = "//li/a[@class=\"{$class}\"]";

    // Assert that the toolbar link item isn't present.
    $this
      ->assertEmpty($this
      ->xpath($xpath), 'Found li with this class: ' . $class);

    // Install the module.
    $module_installer
      ->install([
      $module,
    ], TRUE);
    $this
      ->resetAll();

    // Load the route.
    $this
      ->drupalGet(Url::fromRoute($route));

    // Assert that the toolbar link is present.
    $this
      ->assertNotEmpty($this
      ->xpath($xpath), 'Unable to find toolbar link for module: ' . $module);

    // Handle some special cases where modules depend on each other so they
    // might have already put the toolbar link in the toolbar.
    if ($module == 'file_example') {
      $module_installer
        ->uninstall([
        'file_example',
        'stream_wrapper_example',
      ]);
    }
  }
}