fix: Google Docs add default drive id when searching folders (#33765)

packages/nodes-base/nodes/Google/Docs/GoogleDocs.node.ts

@@ -165,7 +165,7 @@ export class GoogleDocs implements INodeType {
 						value: 'default',
 					},
 				];
-				const driveId = this.getNodeParameter('driveId');
+				const driveId = this.getNodeParameter('driveId', 'myDrive');
 
 				const qs = {
 					q: `mimeType = \'application/vnd.google-apps.folder\' ${

packages/nodes-base/nodes/Google/Docs/test/GoogleDocs.node.test.ts

@@ -0,0 +1,59 @@
+import type { IDataObject, ILoadOptionsFunctions } from 'n8n-workflow';
+import type { Mock } from 'vitest';
+
+import { googleApiRequestAllItems } from '../GenericFunctions';
+import { GoogleDocs } from '../GoogleDocs.node';
+
+vi.mock('../GenericFunctions', () => ({
+	googleApiRequestAllItems: vi.fn(),
+}));
+
+const node = new GoogleDocs();
+
+let nodeParameters: Record<string, unknown>;
+
+const mockThis = {
+	getNode: () => ({ name: 'Google Docs', parameters: {} }),
+	getNodeParameter: vi.fn((name: string, ...rest: unknown[]) => {
+		if (nodeParameters[name] !== undefined) return nodeParameters[name];
+		if (rest.length === 0) {
+			throw new Error(`Could not get parameter "${name}"`);
+		}
+		return rest[0];
+	}),
+} as unknown as ILoadOptionsFunctions;
+
+const getRequestedQuery = () => (googleApiRequestAllItems as Mock).mock.calls[0][4] as IDataObject;
+
+describe('GoogleDocs Node - loadOptions', () => {
+	beforeEach(() => {
+		vi.clearAllMocks();
+		nodeParameters = {};
+	});
+
+	describe('getFolders', () => {
+		it('should use myDrive when driveId is absent from node parameters', async () => {
+			(googleApiRequestAllItems as Mock).mockResolvedValue([{ name: 'Reports', id: 'folder-1' }]);
+
+			const result = await node.methods.loadOptions.getFolders.call(mockThis);
+
+			expect(mockThis.getNodeParameter).toHaveBeenCalledWith('driveId', 'myDrive');
+			expect(result).toEqual([
+				{ name: '/', value: 'default' },
+				{ name: 'Reports', value: 'folder-1' },
+			]);
+			const qs = getRequestedQuery();
+			expect(qs.q).toContain("'root' in parents");
+			expect(qs.driveId).toBeUndefined();
+		});
+
+		it('should query the selected shared drive', async () => {
+			nodeParameters = { driveId: 'drive-123' };
+			(googleApiRequestAllItems as Mock).mockResolvedValue([]);
+
+			await node.methods.loadOptions.getFolders.call(mockThis);
+
+			expect(getRequestedQuery().driveId).toBe('drive-123');
+		});
+	});
+});