function ModuleImplementsAlterTest::testModuleImplementsAlterNonExistingImplementation

Tests adding a non-existing function to hook_module_implements_alter().

See also

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

module_test_module_implements_alter()

File

core/tests/Drupal/KernelTests/Core/Extension/ModuleImplementsAlterTest.php, line 74

Class

ModuleImplementsAlterTest

Tests hook_module_implements_alter().

Namespace

Code

public function testModuleImplementsAlterNonExistingImplementation() : void {
    // Install the module_test module.
    \Drupal::service('module_installer')->install([
        'module_test',
    ]);
    // Trigger hook discovery.
    $this->expectException(\RuntimeException::class);
    $this->expectExceptionMessage('An invalid implementation module_test_unimplemented_test_hook was added by hook_module_implements_alter()');
    \Drupal::moduleHandler()->hasImplementations('unimplemented_test_hook');
}