diff --git a/plugins/scaffolder-backend/src/service/autocomplete.test.ts b/plugins/scaffolder-backend/src/service/autocomplete.test.ts
new file mode 100644
index 0000000000..53816f0126
--- /dev/null
+++ b/plugins/scaffolder-backend/src/service/autocomplete.test.ts
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2024 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { BitbucketCloudClient } from '@backstage/plugin-bitbucket-cloud-common';
+import { handleBitbucketCloudRequest } from './autocomplete';
+import { InputError } from '@backstage/errors';
+
+describe('handleBitbucketCloudRequest', () => {
+  const client: Partial<BitbucketCloudClient> = {
+    listWorkspaces: jest.fn().mockReturnValue({
+      iteratePages: jest
+        .fn()
+        .mockReturnValue([{ values: [{ slug: 'workspace1' }] }]),
+    }),
+    listProjectsByWorkspace: jest.fn().mockReturnValue({
+      iteratePages: jest
+        .fn()
+        .mockReturnValue([{ values: [{ key: 'project1' }] }]),
+    }),
+    listRepositoriesByWorkspace: jest.fn().mockReturnValue({
+      iteratePages: jest
+        .fn()
+        .mockReturnValue([{ values: [{ slug: 'repository1' }] }]),
+    }),
+  };
+
+  const fromConfig = jest
+    .spyOn(BitbucketCloudClient, 'fromConfig')
+    .mockReturnValue(client as BitbucketCloudClient);
+
+  it('should pass the token to the client', async () => {
+    const accessToken = 'foo';
+    await handleBitbucketCloudRequest(accessToken, 'workspaces', {});
+
+    expect(fromConfig).toHaveBeenCalledWith(
+      expect.objectContaining({ accessToken }),
+    );
+  });
+
+  it('should return workspaces', async () => {
+    const result = await handleBitbucketCloudRequest('foo', 'workspaces', {});
+
+    expect(result).toEqual(['workspace1']);
+  });
+
+  it('should return projects', async () => {
+    const result = await handleBitbucketCloudRequest('foo', 'projects', {
+      workspace: 'workspace1',
+    });
+
+    expect(result).toEqual(['project1']);
+  });
+
+  it('should return repositories', async () => {
+    const result = await handleBitbucketCloudRequest('foo', 'repositories', {
+      workspace: 'workspace1',
+      project: 'project1',
+    });
+
+    expect(result).toEqual(['repository1']);
+  });
+
+  it('should throw an error when passing an invalid resource', async () => {
+    await expect(
+      handleBitbucketCloudRequest('token', 'invalid', {}),
+    ).rejects.toThrow(InputError);
+  });
+
+  it('should throw an error when there are missing parameters', async () => {
+    await expect(
+      handleBitbucketCloudRequest('token', 'projects', {}),
+    ).rejects.toThrow(InputError);
+  });
+});