add util and copy unit test

Signed-off-by: yubonluo <yubonluo@amazon.com>

src/plugins/saved_objects_management/public/lib/duplicate_saved_objects.test.ts

@@ -0,0 +1,41 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { httpServiceMock } from '../../../../core/public/mocks';
+import { duplicateSavedObjects } from './duplicate_saved_objects';
+
+describe('copy saved objects', () => {
+  it('make http call with body provided', async () => {
+    const httpClient = httpServiceMock.createStartContract();
+    const objects = [
+      { type: 'dashboard', id: '1' },
+      { type: 'visualization', id: '2' },
+    ];
+    const includeReferencesDeep = true;
+    const targetWorkspace = '1';
+    await duplicateSavedObjects(httpClient, objects, includeReferencesDeep, targetWorkspace);
+    expect(httpClient.post).toMatchInlineSnapshot(
+      '',
+      `
+      [MockFunction] {
+        "calls": Array [
+          Array [
+            "/api/saved_objects/_copy",
+            Object {
+              "body": "{\\"objects\\":[{\\"type\\":\\"dashboard\\",\\"id\\":\\"1\\"},{\\"type\\":\\"visualization\\",\\"id\\":\\"2\\"}],\\"includeReferencesDeep\\":true,\\"targetWorkspace\\":\\"1\\"}",
+            },
+          ],
+        ],
+        "results": Array [
+          Object {
+            "type": "return",
+            "value": undefined,
+          },
+        ],
+      }
+    `
+    );
+  });
+});

src/plugins/saved_objects_management/public/management_section/objects_table/components/utils.test.tsx

@@ -0,0 +1,66 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { WorkspaceAttribute, WorkspaceObject, WorkspacesStart } from 'opensearch-dashboards/public';
+import {
+  WorkspaceOption,
+  capitalizeFirstLetter,
+  getTargetWorkspacesOptions,
+  workspaceToOption,
+} from './utils';
+import { BehaviorSubject } from 'rxjs';
+
+describe('duplicate mode utils', () => {
+  it('should covert workspace to option', () => {
+    const workspace: WorkspaceAttribute = {
+      id: '1',
+      name: 'Workspace 1',
+    };
+    const workspaceOption: WorkspaceOption = workspaceToOption(workspace);
+    expect(workspaceOption.label).toBe(workspace.name);
+    expect(workspaceOption.key).toBe(workspace.id);
+    expect(workspaceOption.value).toBe(workspace);
+  });
+
+  it('should add suffix when workspace is current workspace', () => {
+    const workspace: WorkspaceAttribute = {
+      id: '1',
+      name: 'Workspace 1',
+    };
+    const workspaceOption: WorkspaceOption = workspaceToOption(workspace, '1');
+    expect(workspaceOption.label).toBe('Workspace 1 (current)');
+    expect(workspaceOption.key).toBe(workspace.id);
+    expect(workspaceOption.value).toBe(workspace);
+  });
+
+  it('should get target workspace options', () => {
+    const workspaces: WorkspacesStart = {
+      currentWorkspaceId$: new BehaviorSubject<string>('1'),
+      currentWorkspace$: new BehaviorSubject<WorkspaceObject | null>({
+        id: '1',
+        name: 'Workspace 1',
+      }),
+      workspaceList$: new BehaviorSubject<WorkspaceObject[]>([
+        { id: '1', name: 'Workspace 1' },
+        { id: '2', name: 'Workspace 2', libraryReadonly: false },
+        { id: '3', name: 'Workspace 3', libraryReadonly: true },
+      ]),
+      initialized$: new BehaviorSubject<boolean>(true),
+    };
+    const optionContainCurrent: WorkspaceOption[] = getTargetWorkspacesOptions(workspaces, '1');
+    expect(optionContainCurrent.length).toBe(1);
+    expect(optionContainCurrent[0].key).toBe('2');
+    expect(optionContainCurrent[0].label).toBe('Workspace 2');
+
+    const workspaceOption: WorkspaceOption[] = getTargetWorkspacesOptions(workspaces);
+    expect(workspaceOption.length).toBe(2);
+  });
+
+  it('should capitalize first letter', () => {
+    const workspaceName: string = 'workspace';
+    const capitalizedName: string = capitalizeFirstLetter(workspaceName);
+    expect(capitalizedName).toBe('Workspace');
+  });
+});

src/plugins/saved_objects_management/public/management_section/objects_table/components/utils.ts

@@ -8,6 +8,7 @@ import { WorkspaceAttribute, WorkspacesStart } from 'opensearch-dashboards/publi
 
 export type WorkspaceOption = EuiComboBoxOptionOption<WorkspaceAttribute>;
 
+// Convert workspace to option which can be displayed in the drop-down box.
 export function workspaceToOption(
   workspace: WorkspaceAttribute,
   currentWorkspaceId?: string

src/plugins/workspace/public/workspace_client.ts

@@ -126,6 +126,8 @@ export class WorkspaceClient {
           libraryReadonly: !workspaceIdsWithWritePermission.includes(workspace.id),
         }));
         this.workspaces.workspaceList$.next(workspaces);
+      } else {
+        this.workspaces.workspaceList$.next([]);
       }
     }
   }