Examples with FolderItem org.nuxeo.drive.adapter.FolderItem used on opensource projects

Example 41 with FolderItem

use of org.nuxeo.drive.adapter.FolderItem in project nuxeo-drive-server by nuxeo.

the class NuxeoDriveCreateFolder method run.

@OperationMethod
public Blob run() throws IOException {
    FileSystemItemManager fileSystemItemManager = Framework.getService(FileSystemItemManager.class);
    FolderItem folderItem = fileSystemItemManager.createFolder(parentId, name, ctx.getPrincipal(), overwrite);
    return Blobs.createJSONBlobFromValue(folderItem);
}

Example 42 with FolderItem

use of org.nuxeo.drive.adapter.FolderItem in project nuxeo-drive-server by nuxeo.

the class TestPermissionHierarchy method testClientSideUser1.

@Test
public void testClientSideUser1() throws Exception {
    // ---------------------------------------------
    // Check active factories
    // ---------------------------------------------
    TopLevelFolderItemFactory topLevelFolderItemFactory = fileSystemItemAdapterService.getTopLevelFolderItemFactory();
    assertEquals("org.nuxeo.drive.hierarchy.permission.factory.PermissionTopLevelFactory", topLevelFolderItemFactory.getName());
    Set<String> activeFactories = fileSystemItemAdapterService.getActiveFileSystemItemFactories();
    assertEquals(5, activeFactories.size());
    assertTrue(activeFactories.contains("collectionSyncRootFolderItemFactory"));
    assertTrue(activeFactories.contains("defaultFileSystemItemFactory"));
    assertTrue(activeFactories.contains("userSyncRootParentFactory"));
    assertTrue(activeFactories.contains("permissionSyncRootFactory"));
    assertTrue(activeFactories.contains("sharedSyncRootParentFactory"));
    // ---------------------------------------------
    // Check top level folder: "Nuxeo Drive"
    // ---------------------------------------------
    Blob topLevelFolderJSON = (Blob) clientSession1.newRequest(NuxeoDriveGetTopLevelFolder.ID).execute();
    assertNotNull(topLevelFolderJSON);
    PermissionTopLevelFolderItem topLevelFolder = mapper.readValue(topLevelFolderJSON.getStream(), PermissionTopLevelFolderItem.class);
    assertNotNull(topLevelFolder);
    assertEquals(TOP_LEVEL_ID, topLevelFolder.getId());
    assertNull(topLevelFolder.getParentId());
    assertEquals("/" + TOP_LEVEL_ID, topLevelFolder.getPath());
    assertEquals("Nuxeo Drive", topLevelFolder.getName());
    assertTrue(topLevelFolder.isFolder());
    assertEquals("system", topLevelFolder.getCreator());
    assertEquals("system", topLevelFolder.getLastContributor());
    assertFalse(topLevelFolder.getCanRename());
    assertFalse(topLevelFolder.getCanDelete());
    assertFalse(topLevelFolder.getCanCreateChild());
    /**
     * <pre>
     * ===================================================
     * User workspace registered as a synchronization root
     * ===================================================
     * => Expected client side for user1:
     *
     * Nuxeo Drive
     *   |-- My Docs
     *   |     |-- user1File2
     *   |     |-- user1Folder1
     *   |     |     |-- user1File1
     *   |     |     |-- user1Folder2
     *   |     |-- user1Folder3
     *   |     |      |-- user1File3
     *   |     |-- user1Folder4
     *   |
     *   |-- Other Docs
     *   |     |-- user2Folder1
     *   |     |     |-- user2File1
     *   |     |     |-- user2Folder2
     *   |     |-- user2Folder3
     *   |     |     |-- user2File3
     * </pre>
     */
    TransactionHelper.commitOrRollbackTransaction();
    TransactionHelper.startTransaction();
    nuxeoDriveManager.registerSynchronizationRoot(session1.getPrincipal(), userWorkspace1, session1);
    TransactionHelper.commitOrRollbackTransaction();
    TransactionHelper.startTransaction();
    // ---------------------------------------------
    // Check top level folder children
    // ---------------------------------------------
    // Check descendants
    assertFalse(topLevelFolder.getCanScrollDescendants());
    try {
        clientSession1.newRequest(NuxeoDriveScrollDescendants.ID).set("id", topLevelFolder.getId()).set("batchSize", 10).execute();
        fail("Scrolling through the descendants of the permission top level folder item should be unsupported.");
    } catch (Exception e) {
        assertEquals("Failed to invoke operation: NuxeoDrive.ScrollDescendants", e.getMessage());
    }
    // Get children
    Blob topLevelChildrenJSON = (Blob) clientSession1.newRequest(NuxeoDriveGetChildren.ID).set("id", topLevelFolder.getId()).execute();
    ArrayNode topLevelChildren = mapper.readValue(topLevelChildrenJSON.getStream(), ArrayNode.class);
    assertNotNull(topLevelChildren);
    assertEquals(2, topLevelChildren.size());
    // Check "My Docs"
    UserSyncRootParentFolderItem userSyncRootParent = readValue(topLevelChildren.get(0), UserSyncRootParentFolderItem.class);
    assertEquals(userWorkspace1ItemId, userSyncRootParent.getId());
    assertEquals(TOP_LEVEL_ID, userSyncRootParent.getParentId());
    assertEquals(userWorkspace1ItemPath, userSyncRootParent.getPath());
    assertEquals("My Docs", userSyncRootParent.getName());
    assertTrue(userSyncRootParent.isFolder());
    assertEquals("user1", userSyncRootParent.getCreator());
    assertEquals("user1", userSyncRootParent.getLastContributor());
    assertFalse(userSyncRootParent.getCanRename());
    assertFalse(userSyncRootParent.getCanDelete());
    // Can create a child since "My Docs" is the user workspace
    assertTrue(userSyncRootParent.getCanCreateChild());
    // Check "Other Docs"
    SharedSyncRootParentFolderItem sharedSyncRootParent = readValue(topLevelChildren.get(1), SharedSyncRootParentFolderItem.class);
    assertEquals(SHARED_SYNC_ROOT_PARENT_ID, sharedSyncRootParent.getId());
    assertEquals(TOP_LEVEL_ID, sharedSyncRootParent.getParentId());
    assertEquals("/" + TOP_LEVEL_ID + "/" + SHARED_SYNC_ROOT_PARENT_ID, sharedSyncRootParent.getPath());
    assertEquals("Other Docs", sharedSyncRootParent.getName());
    assertTrue(sharedSyncRootParent.isFolder());
    assertEquals("system", sharedSyncRootParent.getCreator());
    assertEquals("system", sharedSyncRootParent.getLastContributor());
    assertFalse(sharedSyncRootParent.getCanRename());
    assertFalse(sharedSyncRootParent.getCanDelete());
    assertFalse(sharedSyncRootParent.getCanCreateChild());
    // --------------------------------------------
    // Check user synchronization roots
    // --------------------------------------------
    // Check descendants
    assertTrue(userSyncRootParent.getCanScrollDescendants());
    assertTrue(CollectionUtils.isEqualCollection(Arrays.asList(user1File2, user1Folder1, user1File1, user1Folder2, user1Folder3, user1File3, user1Folder4).stream().map(doc -> DEFAULT_FILE_SYSTEM_ITEM_ID_PREFIX + doc.getId()).collect(Collectors.toList()), mapper.readValue(((Blob) clientSession1.newRequest(NuxeoDriveScrollDescendants.ID).set("id", userSyncRootParent.getId()).set("batchSize", 10).execute()).getStream(), JsonNode.class).findValuesAsText("id")));
    // Get children
    Blob userSyncRootsJSON = (Blob) clientSession1.newRequest(NuxeoDriveGetChildren.ID).set("id", userSyncRootParent.getId()).execute();
    ArrayNode userSyncRoots = mapper.readValue(userSyncRootsJSON.getStream(), ArrayNode.class);
    assertNotNull(userSyncRoots);
    assertEquals(4, userSyncRoots.size());
    DocumentBackedFolderItem folderItem;
    DocumentBackedFileItem childFileItem;
    DocumentBackedFileItem fileItem;
    DocumentBackedFolderItem childFolderItem;
    JsonNode[] rootNodes = sortNodeByName(userSyncRoots);
    // user1File2
    fileItem = readValue(rootNodes[0], DocumentBackedFileItem.class);
    checkFileItem(fileItem, DEFAULT_FILE_SYSTEM_ITEM_ID_PREFIX, user1File2, userWorkspace1ItemId, userWorkspace1ItemPath, "user1File2.txt", "user1", "user1");
    // user1Folder1
    folderItem = readValue(rootNodes[1], DocumentBackedFolderItem.class);
    checkFolderItem(folderItem, DEFAULT_FILE_SYSTEM_ITEM_ID_PREFIX, user1Folder1, userWorkspace1ItemId, userWorkspace1ItemPath, "user1Folder1", "user1", "user1");
    Blob folderItemChildrenJSON = (Blob) clientSession1.newRequest(NuxeoDriveGetChildren.ID).set("id", folderItem.getId()).execute();
    ArrayNode folderItemChildren = mapper.readValue(folderItemChildrenJSON.getStream(), ArrayNode.class);
    assertNotNull(folderItemChildren);
    assertEquals(2, folderItemChildren.size());
    {
        JsonNode[] nodes = sortNodeByName(folderItemChildren);
        // user1File1
        childFileItem = readValue(nodes[0], DocumentBackedFileItem.class);
        checkFileItem(childFileItem, DEFAULT_FILE_SYSTEM_ITEM_ID_PREFIX, user1File1, folderItem.getId(), folderItem.getPath(), "user1File1.txt", "user1", "user1");
        // user1Folder2
        childFolderItem = readValue(nodes[1], DocumentBackedFolderItem.class);
        checkFolderItem(childFolderItem, DEFAULT_FILE_SYSTEM_ITEM_ID_PREFIX, user1Folder2, folderItem.getId(), folderItem.getPath(), "user1Folder2", "user1", "user1");
    }
    // user1Folder3
    folderItem = readValue(rootNodes[2], DocumentBackedFolderItem.class);
    checkFolderItem(folderItem, DEFAULT_FILE_SYSTEM_ITEM_ID_PREFIX, user1Folder3, userWorkspace1ItemId, userWorkspace1ItemPath, "user1Folder3", "user1", "user1");
    {
        folderItemChildrenJSON = (Blob) clientSession1.newRequest(NuxeoDriveGetChildren.ID).set("id", folderItem.getId()).execute();
        folderItemChildren = mapper.readValue(folderItemChildrenJSON.getStream(), ArrayNode.class);
        assertNotNull(folderItemChildren);
        assertEquals(1, folderItemChildren.size());
        // user1File3
        childFileItem = readValue(folderItemChildren.get(0), DocumentBackedFileItem.class);
        checkFileItem(childFileItem, DEFAULT_FILE_SYSTEM_ITEM_ID_PREFIX, user1File3, folderItem.getId(), folderItem.getPath(), "user1File3.txt", "user1", "user1");
    }
    // user1Folder4
    folderItem = readValue(rootNodes[3], DocumentBackedFolderItem.class);
    checkFolderItem(folderItem, DEFAULT_FILE_SYSTEM_ITEM_ID_PREFIX, user1Folder4, userWorkspace1ItemId, userWorkspace1ItemPath, "user1Folder4", "user1", "user1");
    // ---------------------------------------------
    // Check shared synchronization roots
    // ---------------------------------------------
    // Check descendants
    assertFalse(topLevelFolder.getCanScrollDescendants());
    try {
        clientSession1.newRequest(NuxeoDriveScrollDescendants.ID).set("id", sharedSyncRootParent.getId()).set("batchSize", 10).execute();
        fail("Scrolling through the descendants of the shared sync root parent folder item should be unsupported.");
    } catch (Exception e) {
        assertEquals("Failed to invoke operation: NuxeoDrive.ScrollDescendants", e.getMessage());
    }
    // Get children
    Blob sharedSyncRootsJSON = (Blob) clientSession1.newRequest(NuxeoDriveGetChildren.ID).set("id", sharedSyncRootParent.getId()).execute();
    List<DefaultSyncRootFolderItem> sharedSyncRoots = mapper.readValue(sharedSyncRootsJSON.getStream(), new TypeReference<List<DefaultSyncRootFolderItem>>() {
    });
    Collections.sort(sharedSyncRoots);
    assertNotNull(sharedSyncRoots);
    assertEquals(2, sharedSyncRoots.size());
    // user2Folder1
    DefaultSyncRootFolderItem sharedSyncRoot = sharedSyncRoots.get(0);
    checkFolderItem(sharedSyncRoot, SYNC_ROOT_ID_PREFIX, session1.getDocument(user2Folder1.getRef()), sharedSyncRootParent.getId(), sharedSyncRootParent.getPath(), "user2Folder1", "user2", "user1");
    Blob sharedSyncRootChildrenJSON = (Blob) clientSession1.newRequest(NuxeoDriveGetChildren.ID).set("id", sharedSyncRoot.getId()).execute();
    ArrayNode sharedSyncRootChildren = mapper.readValue(sharedSyncRootChildrenJSON.getStream(), ArrayNode.class);
    assertNotNull(sharedSyncRootChildren);
    assertEquals(2, sharedSyncRootChildren.size());
    DocumentBackedFolderItem sharedSyncRootChildFolderItem;
    DocumentBackedFileItem sharedSyncRootChildFileItem;
    {
        JsonNode[] nodes = sortNodeByName(sharedSyncRootChildren);
        // user2File1
        sharedSyncRootChildFileItem = readValue(nodes[0], DocumentBackedFileItem.class);
        checkFileItem(sharedSyncRootChildFileItem, DEFAULT_FILE_SYSTEM_ITEM_ID_PREFIX, session1.getDocument(user2File1.getRef()), sharedSyncRoot.getId(), sharedSyncRoot.getPath(), "user2File1.txt", "user2", "user2");
        // user2Folder2
        sharedSyncRootChildFolderItem = readValue(nodes[1], DocumentBackedFolderItem.class);
        checkFolderItem(sharedSyncRootChildFolderItem, DEFAULT_FILE_SYSTEM_ITEM_ID_PREFIX, session1.getDocument(user2Folder2.getRef()), sharedSyncRoot.getId(), sharedSyncRoot.getPath(), "user2Folder2", "user2", "user2");
    }
    // user2Folder3
    sharedSyncRoot = sharedSyncRoots.get(1);
    checkFolderItem(sharedSyncRoot, SYNC_ROOT_ID_PREFIX, session1.getDocument(user2Folder3.getRef()), sharedSyncRootParent.getId(), sharedSyncRootParent.getPath(), "user2Folder3", "user2", "user1");
    sharedSyncRootChildrenJSON = (Blob) clientSession1.newRequest(NuxeoDriveGetChildren.ID).set("id", sharedSyncRoot.getId()).execute();
    sharedSyncRootChildren = mapper.readValue(sharedSyncRootChildrenJSON.getStream(), ArrayNode.class);
    assertNotNull(sharedSyncRootChildren);
    assertEquals(1, sharedSyncRootChildren.size());
    // user2File3
    sharedSyncRootChildFileItem = readValue(sharedSyncRootChildren.get(0), DocumentBackedFileItem.class);
    checkFileItem(sharedSyncRootChildFileItem, DEFAULT_FILE_SYSTEM_ITEM_ID_PREFIX, session1.getDocument(user2File3.getRef()), sharedSyncRoot.getId(), sharedSyncRoot.getPath(), "user2File3.txt", "user2", "user2");
    /**
     * <pre>
     * =======================================================
     * User workspace NOT registered as a synchronization root
     * =======================================================
     * => Expected client side for user1:
     *
     * Nuxeo Drive
     *   |-- My Docs
     *   |
     *   |-- Other Docs (unchanged)
     *   |     |-- user2Folder1
     *   |     |     |-- user2File1
     *   |     |     |-- user2Folder2
     *   |     |-- user2Folder3
     *   |     |     |-- user2File3
     * </pre>
     */
    TransactionHelper.commitOrRollbackTransaction();
    TransactionHelper.startTransaction();
    nuxeoDriveManager.unregisterSynchronizationRoot(session1.getPrincipal(), userWorkspace1, session1);
    TransactionHelper.commitOrRollbackTransaction();
    TransactionHelper.startTransaction();
    // ---------------------------------------------
    // Check "My Docs"
    // ---------------------------------------------
    Blob userSyncRootParentJSON = (Blob) clientSession1.newRequest(NuxeoDriveGetFileSystemItem.ID).set("id", userWorkspace1ItemId).execute();
    assertNotNull(userSyncRootParentJSON);
    userSyncRootParent = mapper.readValue(userSyncRootParentJSON.getStream(), UserSyncRootParentFolderItem.class);
    assertEquals(userWorkspace1ItemId, userSyncRootParent.getId());
    assertEquals(TOP_LEVEL_ID, userSyncRootParent.getParentId());
    assertEquals(userWorkspace1ItemPath, userSyncRootParent.getPath());
    assertEquals("My Docs", userSyncRootParent.getName());
    assertTrue(userSyncRootParent.isFolder());
    assertEquals("user1", userSyncRootParent.getCreator());
    assertEquals("user1", userSyncRootParent.getLastContributor());
    assertFalse(userSyncRootParent.getCanRename());
    assertFalse(userSyncRootParent.getCanDelete());
    // Cannot create a child since "My Docs" is only the parent of the
    // synchronization roots, not the user workspace
    assertFalse(userSyncRootParent.getCanCreateChild());
    // --------------------------------------------
    // Check user synchronization roots
    // --------------------------------------------
    // Check descendants
    assertFalse(topLevelFolder.getCanScrollDescendants());
    try {
        clientSession1.newRequest(NuxeoDriveScrollDescendants.ID).set("id", userSyncRootParent.getId()).set("batchSize", 10).execute();
        fail("Scrolling through the descendants of the user sync root parent folder item not registered as a sync root should be unsupported.");
    } catch (Exception e) {
        assertEquals("Failed to invoke operation: NuxeoDrive.ScrollDescendants", e.getMessage());
    }
    // Get children
    userSyncRootsJSON = (Blob) clientSession1.newRequest(NuxeoDriveGetChildren.ID).set("id", userSyncRootParent.getId()).execute();
    userSyncRoots = mapper.readValue(userSyncRootsJSON.getStream(), ArrayNode.class);
    assertNotNull(userSyncRoots);
    assertEquals(0, userSyncRoots.size());
    /**
     * <pre>
     * =======================================================
     * User workspace NOT registered as a synchronization root
     * but specific folders yes: user1Folder3, user1Folder4
     * =======================================================
     * => Expected client side for user1:
     *
     * Nuxeo Drive
     *   |-- My Docs
     *   |     |-- user1Folder3
     *   |     |      |-- user1File3
     *   |     |-- user1Folder4
     *   |
     *   |-- Other Docs (unchanged)
     *   |     |-- user2Folder1
     *   |     |     |-- user2File1
     *   |     |     |-- user2Folder2
     *   |     |-- user2Folder3
     *   |     |     |-- user2File3
     * </pre>
     */
    TransactionHelper.commitOrRollbackTransaction();
    TransactionHelper.startTransaction();
    nuxeoDriveManager.registerSynchronizationRoot(session1.getPrincipal(), user1Folder3, session1);
    nuxeoDriveManager.registerSynchronizationRoot(session1.getPrincipal(), user1Folder4, session1);
    TransactionHelper.commitOrRollbackTransaction();
    TransactionHelper.startTransaction();
    // --------------------------------------------
    // Check user synchronization roots
    // --------------------------------------------
    userSyncRootsJSON = (Blob) clientSession1.newRequest(NuxeoDriveGetChildren.ID).set("id", userSyncRootParent.getId()).execute();
    userSyncRoots = mapper.readValue(userSyncRootsJSON.getStream(), ArrayNode.class);
    assertNotNull(userSyncRoots);
    assertEquals(2, userSyncRoots.size());
    // user1Folder3
    folderItem = readValue(userSyncRoots.get(0), DocumentBackedFolderItem.class);
    checkFolderItem(folderItem, SYNC_ROOT_ID_PREFIX, user1Folder3, userWorkspace1ItemId, userWorkspace1ItemPath, "user1Folder3", "user1", "user1");
    folderItemChildrenJSON = (Blob) clientSession1.newRequest(NuxeoDriveGetChildren.ID).set("id", folderItem.getId()).execute();
    folderItemChildren = mapper.readValue(folderItemChildrenJSON.getStream(), ArrayNode.class);
    assertNotNull(folderItemChildren);
    assertEquals(1, folderItemChildren.size());
    // user1File3
    childFileItem = readValue(folderItemChildren.get(0), DocumentBackedFileItem.class);
    checkFileItem(childFileItem, DEFAULT_FILE_SYSTEM_ITEM_ID_PREFIX, user1File3, folderItem.getId(), folderItem.getPath(), "user1File3.txt", "user1", "user1");
    // user1Folder4
    folderItem = readValue(userSyncRoots.get(1), DocumentBackedFolderItem.class);
    checkFolderItem(folderItem, SYNC_ROOT_ID_PREFIX, user1Folder4, userWorkspace1ItemId, userWorkspace1ItemPath, "user1Folder4", "user1", "user1");
    /**
     * <pre>
     * =======================================================
     * Unregister a shared folder: user2Folder1
     * =======================================================
     * => Expected client side for user1:
     *
     * Nuxeo Drive
     *   |-- My Docs (unchanged)
     *   |     |-- user1Folder3
     *   |     |      |-- user1File3
     *   |     |-- user1Folder4
     *   |
     *   |-- Other Docs
     *   |     |-- user2Folder3
     *   |     |     |-- user2File3
     * </pre>
     */
    TransactionHelper.commitOrRollbackTransaction();
    TransactionHelper.startTransaction();
    nuxeoDriveManager.unregisterSynchronizationRoot(session1.getPrincipal(), session1.getDocument(user2Folder1.getRef()), session1);
    TransactionHelper.commitOrRollbackTransaction();
    TransactionHelper.startTransaction();
    // ---------------------------------------------
    // Check shared synchronization roots
    // ---------------------------------------------
    sharedSyncRootsJSON = (Blob) clientSession1.newRequest(NuxeoDriveGetChildren.ID).set("id", sharedSyncRootParent.getId()).execute();
    sharedSyncRoots = mapper.readValue(sharedSyncRootsJSON.getStream(), new TypeReference<List<DefaultSyncRootFolderItem>>() {
    });
    assertNotNull(sharedSyncRoots);
    assertEquals(1, sharedSyncRoots.size());
    // user2Folder3
    sharedSyncRoot = sharedSyncRoots.get(0);
    checkFolderItem(sharedSyncRoot, SYNC_ROOT_ID_PREFIX, session1.getDocument(user2Folder3.getRef()), sharedSyncRootParent.getId(), sharedSyncRootParent.getPath(), "user2Folder3", "user2", "user1");
    sharedSyncRootChildrenJSON = (Blob) clientSession1.newRequest(NuxeoDriveGetChildren.ID).set("id", sharedSyncRoot.getId()).execute();
    sharedSyncRootChildren = mapper.readValue(sharedSyncRootChildrenJSON.getStream(), ArrayNode.class);
    assertNotNull(sharedSyncRootChildren);
    assertEquals(1, sharedSyncRootChildren.size());
    // user2File3
    sharedSyncRootChildFileItem = readValue(sharedSyncRootChildren.get(0), DocumentBackedFileItem.class);
    checkFileItem(sharedSyncRootChildFileItem, DEFAULT_FILE_SYSTEM_ITEM_ID_PREFIX, session1.getDocument(user2File3.getRef()), sharedSyncRoot.getId(), sharedSyncRoot.getPath(), "user2File3.txt", "user2", "user2");
    /**
     * <pre>
     * =======================================================
     * Remove permission on a shared folder: user2Folder3
     * =======================================================
     * => Expected client side for user1:
     *
     * Nuxeo Drive
     *   |-- My Docs (unchanged)
     *   |     |-- user1Folder3
     *   |     |      |-- user1File3
     *   |     |-- user1Folder4
     *   |
     *   |-- Other Docs
     * </pre>
     */
    resetPermissions(user2Folder3.getRef(), "user1");
    TransactionHelper.commitOrRollbackTransaction();
    TransactionHelper.startTransaction();
    // ---------------------------------------------
    // Check shared synchronization roots
    // ---------------------------------------------
    sharedSyncRootsJSON = (Blob) clientSession1.newRequest(NuxeoDriveGetChildren.ID).set("id", sharedSyncRootParent.getId()).execute();
    sharedSyncRoots = mapper.readValue(sharedSyncRootsJSON.getStream(), new TypeReference<List<DefaultSyncRootFolderItem>>() {
    });
    assertNotNull(sharedSyncRoots);
    assertEquals(0, sharedSyncRoots.size());
}

Example 43 with FolderItem

use of org.nuxeo.drive.adapter.FolderItem in project nuxeo-drive-server by nuxeo.

the class TestFileSystemItemOperations method testGetTopLevelChildren.

@Test
public void testGetTopLevelChildren() throws Exception {
    Blob topLevelFolderJSON = (Blob) clientSession.newRequest(NuxeoDriveGetTopLevelFolder.ID).execute();
    assertNotNull(topLevelFolderJSON);
    // Check children
    FolderItem topLevelFolder = mapper.readValue(topLevelFolderJSON.getStream(), new TypeReference<DefaultTopLevelFolderItem>() {
    });
    Blob topLevelChildrenJSON = (Blob) clientSession.newRequest(NuxeoDriveGetChildren.ID).set("id", topLevelFolder.getId()).execute();
    List<DefaultSyncRootFolderItem> topLevelChildren = mapper.readValue(topLevelChildrenJSON.getStream(), new TypeReference<List<DefaultSyncRootFolderItem>>() {
    });
    assertNotNull(topLevelChildren);
    assertEquals(2, topLevelChildren.size());
    DefaultSyncRootFolderItem child = topLevelChildren.get(0);
    assertEquals(SYNC_ROOT_FOLDER_ITEM_ID_PREFIX + syncRoot1.getId(), child.getId());
    assertTrue(child.getParentId().endsWith("DefaultTopLevelFolderItemFactory#"));
    assertEquals("folder1", child.getName());
    assertTrue(child.isFolder());
    assertEquals("Administrator", child.getCreator());
    assertEquals("Administrator", child.getLastContributor());
    assertTrue(child.getCanRename());
    assertTrue(child.getCanDelete());
    assertTrue(child.getCanCreateChild());
    child = topLevelChildren.get(1);
    assertEquals(SYNC_ROOT_FOLDER_ITEM_ID_PREFIX + syncRoot2.getId(), child.getId());
    assertTrue(child.getParentId().endsWith("DefaultTopLevelFolderItemFactory#"));
    assertEquals("folder2", child.getName());
    assertTrue(child.isFolder());
    assertEquals("Administrator", child.getCreator());
    assertEquals("Administrator", child.getLastContributor());
    assertTrue(child.getCanRename());
    assertTrue(child.getCanDelete());
    assertTrue(child.getCanCreateChild());
    // Check descendants
    assertFalse(topLevelFolder.getCanScrollDescendants());
    try {
        clientSession.newRequest(NuxeoDriveScrollDescendants.ID).set("id", topLevelFolder.getId()).set("batchSize", 10).execute();
        fail("Scrolling through the descendants of the default top level folder item should be unsupported.");
    } catch (Exception e) {
        assertEquals("Failed to invoke operation: NuxeoDrive.ScrollDescendants", e.getMessage());
    }
}