diff --git a/packages/data-center/src/workspaces/workspaces.spec.ts b/packages/data-center/src/workspaces/workspaces.spec.ts
new file mode 100644
index 000000000..859cbabfb
--- /dev/null
+++ b/packages/data-center/src/workspaces/workspaces.spec.ts
@@ -0,0 +1,50 @@
+import { describe, test, expect } from 'vitest';
+import { Workspaces } from './workspaces';
+import type { WorkspacesChangeEvent } from './workspaces';
+
+describe('workspaces observable', () => {
+  const workspaces = new Workspaces();
+
+  const scope = workspaces.createScope();
+
+  test('add workspace', () => {
+    workspaces.once('change', (event: WorkspacesChangeEvent) => {
+      expect(event.added?.id).toEqual('123');
+    });
+    scope.add({
+      id: '123',
+      name: 'test',
+      memberCount: 1,
+      provider: '',
+    });
+  });
+
+  test('list workspace', () => {
+    const list = scope.list();
+    expect(list.length).toEqual(1);
+    expect(list[0].id).toEqual('123');
+  });
+
+  test('get workspace', () => {
+    expect(scope.get('123')?.id).toEqual('123');
+  });
+
+  test('update workspace', () => {
+    workspaces.once('change', (event: WorkspacesChangeEvent) => {
+      expect(event.updated?.name).toEqual('demo');
+    });
+    scope.update('123', { name: 'demo' });
+  });
+
+  test('get workspace form other scope', () => {
+    const scope1 = workspaces.createScope();
+    expect(scope1.get('123')).toBeFalsy();
+  });
+
+  test('delete workspace', () => {
+    workspaces.once('change', (event: WorkspacesChangeEvent) => {
+      expect(event.deleted?.id).toEqual('123');
+    });
+    scope.remove('123');
+  });
+});