feat(HighLevel Node): Add support for calendar items (#10820)

packages/nodes-base/nodes/HighLevel/v2/test/DueDatePreSendAction.test.ts

@@ -0,0 +1,62 @@
+import type { IExecuteSingleFunctions, IHttpRequestOptions, INode } from 'n8n-workflow';
+
+import { dueDatePreSendAction } from '../GenericFunctions';
+
+describe('dueDatePreSendAction', () => {
+	let mockThis: IExecuteSingleFunctions;
+
+	beforeEach(() => {
+		mockThis = {
+			getNode: jest.fn(
+				() =>
+					({
+						id: 'mock-node-id',
+						name: 'mock-node',
+						typeVersion: 1,
+						type: 'n8n-nodes-base.mockNode',
+						position: [0, 0],
+						parameters: {},
+					}) as INode,
+			),
+			getNodeParameter: jest.fn(),
+			getInputData: jest.fn(),
+			helpers: {} as any,
+		} as unknown as IExecuteSingleFunctions;
+
+		jest.clearAllMocks();
+	});
+
+	it('should add formatted dueDate to requestOptions.body if dueDate is provided directly', async () => {
+		(mockThis.getNodeParameter as jest.Mock).mockReturnValueOnce('2024-12-25');
+
+		const requestOptions: IHttpRequestOptions = { url: 'https://example.com/api' };
+
+		const result = await dueDatePreSendAction.call(mockThis, requestOptions);
+
+		expect(result.body).toEqual({ dueDate: '2024-12-25T00:00:00+00:00' });
+	});
+
+	it('should add formatted dueDate to requestOptions.body if dueDate is provided in updateFields', async () => {
+		(mockThis.getNodeParameter as jest.Mock).mockImplementation((paramName: string) => {
+			if (paramName === 'dueDate') return null;
+			if (paramName === 'updateFields') return { dueDate: '2024-12-25' };
+			return undefined;
+		});
+
+		const requestOptions: IHttpRequestOptions = { url: 'https://example.com/api' };
+
+		const result = await dueDatePreSendAction.call(mockThis, requestOptions);
+
+		expect(result.body).toEqual({ dueDate: '2024-12-25T00:00:00+00:00' });
+	});
+
+	it('should initialize body as an empty object if it is undefined', async () => {
+		(mockThis.getNodeParameter as jest.Mock).mockReturnValueOnce('2024-12-25');
+
+		const requestOptions: IHttpRequestOptions = { url: 'https://example.com/api', body: undefined };
+
+		const result = await dueDatePreSendAction.call(mockThis, requestOptions);
+
+		expect(result.body).toEqual({ dueDate: '2024-12-25T00:00:00+00:00' });
+	});
+});