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 'Test article 1 - live - unpublished',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);
    }
    
    /**
     * 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));
        }
    }

}