class WorkspaceAssociationTest

class WorkspaceAssociationTest extends KernelTestBase {
  use ContentTypeCreationTrait;
  use NodeCreationTrait;
  use UserCreationTrait;
  use WorkspaceTestTrait;
  
  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'field',
    'filter',
    'node',
    'text',
    'user',
    'system',
    'workspaces',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->entityTypeManager = \Drupal::entityTypeManager();
    $this->installEntitySchema('node');
    $this->installEntitySchema('user');
    $this->installEntitySchema('workspace');
    $this->installConfig([
      'filter',
      'node',
      'system',
    ]);
    $this->installSchema('node', [
      'node_access',
    ]);
    $this->installSchema('workspaces', [
      'workspace_association',
    ]);
    $this->createContentType([
      'type' => 'article',
    ]);
    $permissions = array_intersect([
      'administer nodes',
      'create workspace',
      'edit any workspace',
      'view any workspace',
    ], array_keys($this->container
      ->get('user.permissions')
      ->getPermissions()));
    $this->setCurrentUser($this->createUser($permissions));
    $this->workspaces['stage'] = Workspace::create([
      'id' => 'stage',
      'label' => 'Stage',
    ]);
    $this->workspaces['stage']
      ->save();
    $this->workspaces['dev'] = Workspace::create([
      'id' => 'dev',
      'parent' => 'stage',
      'label' => 'Dev',
    ]);
    $this->workspaces['dev']
      ->save();
  }
  
  /**
   * Tests the revisions tracked by a workspace.
   *
   * @covers ::getTrackedEntities
   * @covers ::getAssociatedRevisions
   */
  public function testWorkspaceAssociation() : void {
    $this->createNode([
      'title' => 'Test article 1 - live - unpublished',
      'type' => 'article',
      'status' => 0,
    ]);
    $this->createNode([
      'title' => 'Test article 2 - live - published',
      'type' => 'article',
    ]);
    // Edit one of the existing nodes in 'stage'.
    $this->switchToWorkspace('stage');
    $node = $this->entityTypeManager
      ->getStorage('node')
      ->load(1);
    $node->setTitle('Test article 1 - stage - published');
    $node->setPublished();
    // This creates rev. 3.
    $node->save();
    // Generate content with the following structure:
    // Stage:
    // - Test article 3 - stage - unpublished (rev. 4)
    // - Test article 4 - stage - published (rev. 5 and 6)
    $this->createNode([
      'title' => 'Test article 3 - stage - unpublished',
      'type' => 'article',
      'status' => 0,
    ]);
    $this->createNode([
      'title' => 'Test article 4 - stage - published',
      'type' => 'article',
    ]);
    $expected_latest_revisions = [
      'stage' => [
        3,
        4,
        6,
      ],
    ];
    $expected_all_revisions = [
      'stage' => [
        3,
        4,
        5,
        6,
      ],
    ];
    $expected_initial_revisions = [
      'stage' => [
        4,
        5,
      ],
    ];
    $this->assertWorkspaceAssociations('node', $expected_latest_revisions, $expected_all_revisions, $expected_initial_revisions);
    // Dev:
    // - Test article 1 - stage - published (rev. 3)
    // - Test article 3 - stage - unpublished (rev. 4)
    // - Test article 4 - stage - published (rev. 5 and 6)
    // - Test article 5 - dev - unpublished (rev. 7)
    // - Test article 6 - dev - published (rev. 8 and 9)
    $this->switchToWorkspace('dev');
    $this->createNode([
      'title' => 'Test article 5 - dev - unpublished',
      'type' => 'article',
      'status' => 0,
    ]);
    $this->createNode([
      'title' => 'Test article 6 - dev - published',
      'type' => 'article',
    ]);
    $expected_latest_revisions += [
      'dev' => [
        3,
        4,
        6,
        7,
        9,
      ],
    ];
    // Revisions 3, 4, 5 and 6 that were created in the parent 'stage' workspace
    // are also considered as being part of the child 'dev' workspace.
    $expected_all_revisions += [
      'dev' => [
        3,
        4,
        5,
        6,
        7,
        8,
        9,
      ],
    ];
    $expected_initial_revisions += [
      'dev' => [
        7,
        8,
      ],
    ];
    $this->assertWorkspaceAssociations('node', $expected_latest_revisions, $expected_all_revisions, $expected_initial_revisions);
    // Merge 'dev' into 'stage' and check the workspace associations.
    /** @var \Drupal\workspaces\WorkspaceMergerInterface $workspace_merger */
    $workspace_merger = \Drupal::service('workspaces.operation_factory')->getMerger($this->workspaces['dev'], $this->workspaces['stage']);
    $workspace_merger->merge();
    // The latest revisions from 'dev' are now tracked in 'stage'.
    $expected_latest_revisions['stage'] = $expected_latest_revisions['dev'];
    // Two revisions (8 and 9) were created for 'Test article 6', but only the
    // latest one (9) is being merged into 'stage'.
    $expected_all_revisions['stage'] = [
      3,
      4,
      5,
      6,
      7,
      9,
    ];
    // Revision 7 was both an initial and latest revision in 'dev', so it is now
    // considered an initial revision in 'stage'.
    $expected_initial_revisions['stage'] = [
      4,
      5,
      7,
    ];
    // Which leaves revision 8 as the only remaining initial revision in 'dev'.
    $expected_initial_revisions['dev'] = [
      8,
    ];
    $this->assertWorkspaceAssociations('node', $expected_latest_revisions, $expected_all_revisions, $expected_initial_revisions);
    // Publish 'stage' and check the workspace associations.
    /** @var \Drupal\workspaces\WorkspacePublisherInterface $workspace_publisher */
    $workspace_publisher = \Drupal::service('workspaces.operation_factory')->getPublisher($this->workspaces['stage']);
    $workspace_publisher->publish();
    $expected_revisions['stage'] = $expected_revisions['dev'] = [];
    $this->assertWorkspaceAssociations('node', $expected_revisions, $expected_revisions, $expected_revisions);
  }
  
  /**
   * Checks the workspace associations for a test scenario.
   *
   * @param string $entity_type_id
   *   The ID of the entity type that is being tested.
   * @param array $expected_latest_revisions
   *   An array of expected values for the latest tracked revisions.
   * @param array $expected_all_revisions
   *   An array of expected values for all the tracked revisions.
   * @param array $expected_initial_revisions
   *   An array of expected values for the initial revisions, i.e. for the
   *   entities that were created in the specified workspace.
   */
  protected function assertWorkspaceAssociations($entity_type_id, array $expected_latest_revisions, array $expected_all_revisions, array $expected_initial_revisions) {
    $workspace_association = \Drupal::service('workspaces.association');
    foreach ($expected_latest_revisions as $workspace_id => $expected_tracked_revision_ids) {
      $tracked_entities = $workspace_association->getTrackedEntities($workspace_id, $entity_type_id);
      $tracked_revision_ids = $tracked_entities[$entity_type_id] ?? [];
      $this->assertEquals($expected_tracked_revision_ids, array_keys($tracked_revision_ids));
    }
    foreach ($expected_all_revisions as $workspace_id => $expected_all_revision_ids) {
      $all_associated_revisions = $workspace_association->getAssociatedRevisions($workspace_id, $entity_type_id);
      $this->assertEquals($expected_all_revision_ids, array_keys($all_associated_revisions));
    }
    foreach ($expected_initial_revisions as $workspace_id => $expected_initial_revision_ids) {
      $initial_revisions = $workspace_association->getAssociatedInitialRevisions($workspace_id, $entity_type_id);
      $this->assertEquals($expected_initial_revision_ids, array_keys($initial_revisions));
    }
  }

}