class WorkspaceCRUDTest

class WorkspaceCRUDTest extends KernelTestBase {
    use UserCreationTrait;
    use NodeCreationTrait;
    use ContentTypeCreationTrait;
    use WorkspaceTestTrait;
    
    /**
     * The entity type manager.
     *
     * @var \Drupal\Core\Entity\EntityTypeManagerInterface
     */
    protected $entityTypeManager;
    
    /**
     * The state service.
     *
     * @var \Drupal\Core\State\StateInterface
     */
    protected $state;
    
    /**
     * The workspace replication manager.
     *
     * @var \Drupal\workspaces\WorkspaceManagerInterface
     */
    protected $workspaceManager;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'user',
        'system',
        'workspaces',
        'field',
        'filter',
        'node',
        'text',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->setUpCurrentUser();
        $this->installSchema('node', [
            'node_access',
        ]);
        $this->installEntitySchema('workspace');
        $this->installSchema('workspaces', [
            'workspace_association',
        ]);
        $this->installEntitySchema('node');
        $this->installConfig([
            'filter',
            'node',
            'system',
        ]);
        $this->createContentType([
            'type' => 'page',
        ]);
        $this->entityTypeManager = \Drupal::entityTypeManager();
        $this->state = \Drupal::state();
        $this->workspaceManager = \Drupal::service('workspaces.manager');
    }
    
    /**
     * Tests the deletion of workspaces.
     */
    public function testDeletingWorkspaces() : void {
        $admin = $this->createUser([
            'administer nodes',
            'create workspace',
            'view any workspace',
            'edit any workspace',
            'delete any workspace',
        ]);
        $this->setCurrentUser($admin);
        
        /** @var \Drupal\workspaces\WorkspaceAssociationInterface $workspace_association */
        $workspace_association = \Drupal::service('workspaces.association');
        // Create a workspace with a very small number of associated node revisions.
        $workspace_1 = Workspace::create([
            'id' => 'gibbon',
            'label' => 'Gibbon',
        ]);
        $workspace_1->save();
        $this->workspaceManager
            ->setActiveWorkspace($workspace_1);
        $workspace_1_node_1 = $this->createNode([
            'status' => FALSE,
        ]);
        $workspace_1_node_2 = $this->createNode([
            'status' => FALSE,
        ]);
        // Check that the workspace tracks the initial revisions for both nodes.
        $initial_revisions = $workspace_association->getAssociatedInitialRevisions($workspace_1->id(), 'node');
        $this->assertCount(2, $initial_revisions);
        for ($i = 0; $i < 4; $i++) {
            $workspace_1_node_1->setNewRevision(TRUE);
            $workspace_1_node_1->save();
            $workspace_1_node_2->setNewRevision(TRUE);
            $workspace_1_node_2->save();
        }
        // The workspace should now track 2 nodes.
        $tracked_entities = $workspace_association->getTrackedEntities($workspace_1->id());
        $this->assertCount(2, $tracked_entities['node']);
        // Since all the revisions were created inside a workspace, including the
        // default one, 'workspace_1' should be tracking all 10 revisions.
        $associated_revisions = $workspace_association->getAssociatedRevisions($workspace_1->id(), 'node');
        $this->assertCount(10, $associated_revisions);
        // Check that we are allowed to delete the workspace.
        $this->assertTrue($workspace_1->access('delete', $admin));
        // Delete the workspace and check that all the workspace_association
        // entities and all the node revisions have been deleted as well.
        $workspace_1->delete();
        // There are no more tracked entities in 'workspace_1'.
        $tracked_entities = $workspace_association->getTrackedEntities($workspace_1->id());
        $this->assertEmpty($tracked_entities);
        // There are no more revisions associated with 'workspace_1'.
        $associated_revisions = $workspace_association->getAssociatedRevisions($workspace_1->id(), 'node');
        $this->assertCount(0, $associated_revisions);
        // Create another workspace, this time with a larger number of associated
        // node revisions so we can test the batch purge process.
        $workspace_2 = Workspace::create([
            'id' => 'baboon',
            'label' => 'Baboon',
        ]);
        $workspace_2->save();
        $this->workspaceManager
            ->setActiveWorkspace($workspace_2);
        $workspace_2_node_1 = $this->createNode([
            'status' => FALSE,
        ]);
        for ($i = 0; $i < 59; $i++) {
            $workspace_2_node_1->setNewRevision(TRUE);
            $workspace_2_node_1->save();
        }
        // Now there is one entity tracked in 'workspace_2'.
        $tracked_entities = $workspace_association->getTrackedEntities($workspace_2->id());
        $this->assertCount(1, $tracked_entities['node']);
        // All 60 are associated with 'workspace_2'.
        $associated_revisions = $workspace_association->getAssociatedRevisions($workspace_2->id(), 'node', [
            $workspace_2_node_1->id(),
        ]);
        $this->assertCount(60, $associated_revisions);
        // Delete the workspace and check that we still have 10 revision left to
        // delete.
        $workspace_2->delete();
        $associated_revisions = $workspace_association->getAssociatedRevisions($workspace_2->id(), 'node', [
            $workspace_2_node_1->id(),
        ]);
        $this->assertCount(10, $associated_revisions);
        $workspace_deleted = \Drupal::state()->get('workspace.deleted');
        $this->assertCount(1, $workspace_deleted);
        // Check that we can not create another workspace with the same ID while its
        // data purging is not finished.
        $workspace_3 = Workspace::create([
            'id' => 'baboon',
            'label' => 'Baboon',
        ]);
        $violations = $workspace_3->validate();
        $this->assertCount(1, $violations);
        $this->assertEquals('A workspace with this ID has been deleted but data still exists for it.', $violations[0]->getMessage());
        // Running cron should delete the remaining data as well as the workspace ID
        // from the "workspace.delete" state entry.
        \Drupal::service('cron')->run();
        // Check that the actual node revisions were deleted as well.
        $node_storage = $this->entityTypeManager
            ->getStorage('node');
        $this->assertEmpty($node_storage->loadMultipleRevisions(array_keys($associated_revisions)));
        // 'workspace_2 'is empty now.
        $associated_revisions = $workspace_association->getAssociatedRevisions($workspace_2->id(), 'node', [
            $workspace_2_node_1->id(),
        ]);
        $this->assertCount(0, $associated_revisions);
        $tracked_entities = $workspace_association->getTrackedEntities($workspace_2->id());
        $this->assertCount(0, $tracked_entities);
        $workspace_deleted = \Drupal::state()->get('workspace.deleted');
        $this->assertCount(0, $workspace_deleted);
        // Check that the deleted workspace is no longer active.
        $this->assertFalse($this->workspaceManager
            ->hasActiveWorkspace());
    }
    
    /**
     * Tests that deleting a workspace keeps its already published content.
     */
    public function testDeletingPublishedWorkspace() : void {
        $admin = $this->createUser([
            'administer nodes',
            'create workspace',
            'view own workspace',
            'edit own workspace',
            'delete own workspace',
        ]);
        $this->setCurrentUser($admin);
        $live_workspace = Workspace::create([
            'id' => 'live',
            'label' => 'Live',
        ]);
        $live_workspace->save();
        $workspace = Workspace::create([
            'id' => 'stage',
            'label' => 'Stage',
        ]);
        $workspace->save();
        $this->workspaceManager
            ->setActiveWorkspace($workspace);
        // Create a new node in the 'stage' workspace
        $node = $this->createNode([
            'status' => TRUE,
        ]);
        // Create an additional workspace-specific revision for the node.
        $node->setNewRevision(TRUE);
        $node->save();
        // The node should have 3 revisions now: a default and 2 pending ones.
        $revisions = $this->entityTypeManager
            ->getStorage('node')
            ->loadMultipleRevisions([
            1,
            2,
            3,
        ]);
        $this->assertCount(3, $revisions);
        $this->assertTrue($revisions[1]->isDefaultRevision());
        $this->assertFalse($revisions[2]->isDefaultRevision());
        $this->assertFalse($revisions[3]->isDefaultRevision());
        // Publish the workspace, which should mark revision 3 as the default one
        // and keep revision 2 as a 'source' draft revision.
        $workspace->publish();
        $revisions = $this->entityTypeManager
            ->getStorage('node')
            ->loadMultipleRevisions([
            1,
            2,
            3,
        ]);
        $this->assertFalse($revisions[1]->isDefaultRevision());
        $this->assertFalse($revisions[2]->isDefaultRevision());
        $this->assertTrue($revisions[3]->isDefaultRevision());
        // Create two new workspace-revisions for the node.
        $node->setNewRevision(TRUE);
        $node->save();
        $node->setNewRevision(TRUE);
        $node->save();
        // The node should now have 5 revisions.
        $revisions = $this->entityTypeManager
            ->getStorage('node')
            ->loadMultipleRevisions([
            1,
            2,
            3,
            4,
            5,
        ]);
        $this->assertFalse($revisions[1]->isDefaultRevision());
        $this->assertFalse($revisions[2]->isDefaultRevision());
        $this->assertTrue($revisions[3]->isDefaultRevision());
        $this->assertFalse($revisions[4]->isDefaultRevision());
        $this->assertFalse($revisions[5]->isDefaultRevision());
        // Delete the workspace and check that only the two new pending revisions
        // were deleted by the workspace purging process.
        $workspace->delete();
        $revisions = $this->entityTypeManager
            ->getStorage('node')
            ->loadMultipleRevisions([
            1,
            2,
            3,
            4,
            5,
        ]);
        $this->assertCount(3, $revisions);
        $this->assertFalse($revisions[1]->isDefaultRevision());
        $this->assertFalse($revisions[2]->isDefaultRevision());
        $this->assertTrue($revisions[3]->isDefaultRevision());
        $this->assertFalse(isset($revisions[4]));
        $this->assertFalse(isset($revisions[5]));
    }
    
    /**
     * Tests that a workspace with children can not be deleted.
     */
    public function testDeletingWorkspaceWithChildren() : void {
        $stage = Workspace::create([
            'id' => 'stage',
            'label' => 'Stage',
        ]);
        $stage->save();
        $dev = Workspace::create([
            'id' => 'dev',
            'label' => 'Dev',
            'parent' => 'stage',
        ]);
        $dev->save();
        // Check that a workspace which has children can not be deleted.
        try {
            $stage->delete();
            $this->fail('The Stage workspace has children and should not be deletable.');
        } catch (EntityStorageException $e) {
            $this->assertEquals('The Stage workspace can not be deleted because it has child workspaces.', $e->getMessage());
            $this->assertNotNull(Workspace::load('stage'));
        }
        // Check that if we delete its child first, the parent workspace can also be
        // deleted.
        $dev->delete();
        $stage->delete();
        $this->assertNull(Workspace::load('dev'));
        $this->assertNull(Workspace::load('stage'));
    }
    
    /**
     * Tests loading the workspace tree when there are no workspaces available.
     */
    public function testEmptyWorkspaceTree() : void {
        $tree = \Drupal::service('workspaces.repository')->loadTree();
        $this->assertSame([], $tree);
    }

}