Issue #3273017: Create a validator service for Extension update to confirm they were installed via Composer

automatic_updates_extensions/tests/src/Kernel/AutomaticUpdatesExtensionsKernelTestBase.php

@@ -2,7 +2,11 @@
 
 namespace Drupal\Tests\automatic_updates_extensions\Kernel;
 
+use Drupal\automatic_updates_extensions\ExtensionUpdater;
+use Drupal\Core\Extension\ExtensionVersion;
+use Drupal\package_manager\Exception\StageValidationException;
 use Drupal\Tests\automatic_updates\Kernel\AutomaticUpdatesKernelTestBase;
+use Drupal\Tests\package_manager\Kernel\TestStage;
 
 abstract class AutomaticUpdatesExtensionsKernelTestBase extends AutomaticUpdatesKernelTestBase {
 
@@ -16,4+20,4 @@
   /**
    * {@inheritdoc}
    */
   protected function setUp(): void {
     parent::setUp();
   }
 
+  /**
+   * Creates a stage object for testing purposes.
+   *
+   * @return \Drupal\automatic_updates_extensions\ExtensionUpdater
+   *   A stage object, with test-only modifications.
+   */
+  protected function createUpdater(): ExtensionUpdater {
+    // @todo Do we need a TestsExtensionUpdater like the other base tests?
+    return new ExtensionUpdater(
+      $this->container->get('config.factory'),
+      $this->container->get('package_manager.path_locator'),
+      $this->container->get('package_manager.beginner'),
+      $this->container->get('package_manager.stager'),
+      $this->container->get('package_manager.committer'),
+      $this->container->get('file_system'),
+      $this->container->get('event_dispatcher'),
+      $this->container->get('tempstore.shared'),
+      $this->container->get('datetime.time')
+    );
+  }
+
+  /**
+   * Asserts validation results are returned from a stage life cycle event.
+   *
+   * @todo Not sure if this is the correct way or we will need to do something like
+   *     \Drupal\Tests\automatic_updates\Kernel\ReadinessValidation\StagedProjectsValidatorTest::validate()
+   *     which basically sets up a test where
+   *     $active = $stage->getActiveComposer();
+  $stage = $stage->getStageComposer();
+   *    will both point to our fixture directories and not to real directories.
+   *
+   * @param string[] $packages
+   *   As passed to require().
+   * @param \Drupal\package_manager\ValidationResult[] $expected_results
+   *   The expected validation results.
+   * @param string|null $event_class
+   *   (optional) The class of the event which should return the results. Must
+   *   be passed if $expected_results is not empty.
+   */
+  protected function assertUpdateResults(array $packages, array $expected_results, string $event_class = NULL): void {
+    $updater = $this->createUpdater();
+
+    try {
+      $updater->begin($packages);
+      $updater->stage();
+      $updater->apply();
+      $updater->destroy();
+
+      // If we did not get an exception, ensure we didn't expect any results.
+      $this->assertEmpty($expected_results);
+    }
+    catch (StageValidationException $e) {
+      $this->assertNotEmpty($expected_results);
+      $this->assertValidationResultsEqual($expected_results, $e->getResults());
+      // TestStage::dispatch() attaches the event object to the exception so
+      // that we can analyze it.
+      $this->assertNotEmpty($event_class);
+      $this->assertInstanceOf($event_class, $e->event);
+    }
+  }
+
 }