first commit

packages/nodes-base/nodes/Evaluation/test/loadOptions.test.ts

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+/* eslint-disable n8n-nodes-base/node-param-display-name-miscased */
+import { type ILoadOptionsFunctions } from 'n8n-workflow';
+
+import { getSheetHeaderRow } from '../../Google/Sheet/v2/methods/loadOptions';
+import { getSheetHeaderRowWithGeneratedColumnNames } from '../methods/loadOptions';
+
+jest.mock('../../Google/Sheet/v2/methods/loadOptions', () => ({
+	getSheetHeaderRow: jest.fn(),
+}));
+
+describe('getSheetHeaderRowWithGeneratedColumnNames', () => {
+	let mockThis: ILoadOptionsFunctions;
+
+	beforeEach(() => {
+		mockThis = {
+			getNodeParameter: jest.fn(),
+			getCredentials: jest.fn(),
+		} as unknown as ILoadOptionsFunctions;
+
+		jest.clearAllMocks();
+	});
+
+	it('should return column names as-is if they are not empty', async () => {
+		(getSheetHeaderRow as jest.Mock).mockResolvedValue([
+			{ name: 'Column1', value: 'Column1' },
+			{ name: 'Column2', value: 'Column2' },
+		]);
+
+		const result = await getSheetHeaderRowWithGeneratedColumnNames.call(mockThis);
+
+		expect(getSheetHeaderRow).toHaveBeenCalled();
+		expect(result).toEqual([
+			{ name: 'Column1', value: 'Column1' },
+			{ name: 'Column2', value: 'Column2' },
+		]);
+	});
+
+	it('should generate column names for empty values', async () => {
+		(getSheetHeaderRow as jest.Mock).mockResolvedValue([
+			{ name: '', value: '' },
+			{ name: 'Column2', value: 'Column2' },
+			{ name: '', value: '' },
+		]);
+
+		const result = await getSheetHeaderRowWithGeneratedColumnNames.call(mockThis);
+
+		expect(getSheetHeaderRow).toHaveBeenCalled();
+		expect(result).toEqual([
+			{ name: 'col_1', value: 'col_1' },
+			{ name: 'Column2', value: 'Column2' },
+			{ name: 'col_3', value: 'col_3' },
+		]);
+	});
+
+	it('should handle an empty header row gracefully', async () => {
+		(getSheetHeaderRow as jest.Mock).mockResolvedValue([]);
+
+		const result = await getSheetHeaderRowWithGeneratedColumnNames.call(mockThis);
+
+		expect(getSheetHeaderRow).toHaveBeenCalled();
+		expect(result).toEqual([]);
+	});
+});