function 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/tests/Drupal/KernelTests/Core/Extension/ModuleImplementsAlterTest.php, line 75

Class

ModuleImplementsAlterTest

Tests <a href="/api/drupal/core%21lib%21Drupal%21Core%21Extension%21module.api.php/function/hook_module_implements_alter/8.9.x" title="Alter the registry of modules implementing a hook." class="local">hook_module_implements_alter</a>().

Namespace

Code

public function testModuleImplementsAlterNonExistingImplementation() {
    // 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()->getImplementations('unimplemented_test_hook');
}