function ModuleImplementsAlterTest::testModuleImplementsAlterNonExistingImplementation in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/system/src/Tests/Module/ModuleImplementsAlterTest.php \Drupal\system\Tests\Module\ModuleImplementsAlterTest::testModuleImplementsAlterNonExistingImplementation()

Tests what happens if hook_module_implements_alter() adds a non-existing function to the implementations.

See also

\Drupal\Core\Extension\ModuleHandler::buildImplementationInfo()

module_test_module_implements_alter()

File

core/modules/system/src/Tests/Module/ModuleImplementsAlterTest.php, line 76

Contains \Drupal\system\Tests\Module\ModuleImplementsAlterTest.

Class

ModuleImplementsAlterTest

Tests hook_module_implements_alter().

Namespace

Drupal\system\Tests\Module

Code

function testModuleImplementsAlterNonExistingImplementation() {

  // Install the module_test module.
  \Drupal::service('module_installer')
    ->install(array(
    'module_test',
  ));
  try {

    // Trigger hook discovery.
    \Drupal::moduleHandler()
      ->getImplementations('unimplemented_test_hook');
    $this
      ->fail('An exception should be thrown for the non-existing implementation.');
  } catch (\RuntimeException $e) {
    $this
      ->pass('An exception should be thrown for the non-existing implementation.');
    $this
      ->assertEqual($e
      ->getMessage(), 'An invalid implementation module_test_unimplemented_test_hook was added by hook_module_implements_alter()');
  }
}