feat: Create TOTP node (#5901)

* ✨ Create TOTP node

* ♻️ Apply feedback

* ♻️ Recreate `pnpm-lock.yaml`

* ♻️ Apply Giulio's feedback

* 🚧 WIP node tests

* ✅ Finish node test setup

* ⏪ Restore test command

* ⚡ linter fixes, tweaks

* ♻️ Address Michael's feedback

---------

Co-authored-by: Michael Kret <michael.k@radency.com>

packages/nodes-base/nodes/Totp/test/Totp.node.test.ts

@@ -0,0 +1,47 @@
+import * as Helpers from '../../../test/nodes/Helpers';
+import { executeWorkflow } from '../../../test/nodes/ExecuteWorkflow';
+import type { WorkflowTestData } from '../../../test/nodes/types';
+
+jest.mock('otpauth', () => {
+	return {
+		TOTP: jest.fn().mockImplementation(() => {
+			return {
+				generate: jest.fn().mockReturnValue('123456'),
+			};
+		}),
+	};
+});
+
+describe('Execute TOTP node', () => {
+	const tests: WorkflowTestData[] = [
+		{
+			description: 'Generate TOTP Token',
+			input: {
+				workflowData: Helpers.readJsonFileSync('nodes/Totp/test/Totp.workflow.test.json'),
+			},
+			output: {
+				nodeData: {
+					TOTP: [[{ json: { token: '123456' } }]], // ignore secondsRemaining to prevent flakiness
+				},
+			},
+		},
+	];
+
+	const nodeTypes = Helpers.setup(tests);
+
+	for (const testData of tests) {
+		// eslint-disable-next-line @typescript-eslint/no-loop-func
+		test(testData.description, async () => {
+			const { result } = await executeWorkflow(testData, nodeTypes);
+
+			Helpers.getResultNodeData(result, testData).forEach(({ nodeName, resultData }) => {
+				const expected = testData.output.nodeData[nodeName][0][0].json;
+				const actual = resultData[0]?.[0].json;
+
+				expect(actual?.token).toEqual(expected.token);
+			});
+
+			expect(result.finished).toEqual(true);
+		});
+	}
+});