n8n/packages/cli/test/unit/Telemetry.test.ts

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import { Telemetry } from '@/telemetry';
import config from '@/config';
jest.spyOn(Telemetry.prototype as any, 'initRudderStack').mockImplementation(() => {
return {
flush: () => {},
identify: () => {},
track: () => {},
};
});
describe('Telemetry', () => {
let startPulseSpy: jest.SpyInstance;
const spyTrack = jest.spyOn(Telemetry.prototype, 'track');
let telemetry: Telemetry;
const n8nVersion = '0.0.0';
const instanceId = 'Telemetry unit test';
const testDateTime = new Date('2022-01-01 00:00:00');
beforeAll(() => {
startPulseSpy = jest
.spyOn(Telemetry.prototype as any, 'startPulse')
.mockImplementation(() => {});
jest.useFakeTimers();
jest.setSystemTime(testDateTime);
config.set('diagnostics.enabled', true);
config.set('deployment.type', 'n8n-testing');
});
afterAll(() => {
jest.clearAllTimers();
jest.useRealTimers();
startPulseSpy.mockRestore();
telemetry.trackN8nStop();
});
beforeEach(() => {
spyTrack.mockClear();
telemetry = new Telemetry(instanceId, n8nVersion);
});
afterEach(() => {
telemetry.trackN8nStop();
});
describe('trackN8nStop', () => {
test('should call track method', () => {
telemetry.trackN8nStop();
expect(spyTrack).toHaveBeenCalledTimes(1);
});
});
describe('trackWorkflowExecution', () => {
beforeEach(() => {
jest.setSystemTime(testDateTime);
});
test('should count executions correctly', async () => {
const payload = {
workflow_id: '1',
is_manual: true,
success: true,
error_node_type: 'custom-nodes-base.node-type',
};
payload.is_manual = true;
payload.success = true;
const execTime1 = fakeJestSystemTime('2022-01-01 12:00:00');
await telemetry.trackWorkflowExecution(payload);
fakeJestSystemTime('2022-01-01 12:30:00');
await telemetry.trackWorkflowExecution(payload);
payload.is_manual = false;
payload.success = true;
const execTime2 = fakeJestSystemTime('2022-01-01 13:00:00');
await telemetry.trackWorkflowExecution(payload);
fakeJestSystemTime('2022-01-01 12:30:00');
await telemetry.trackWorkflowExecution(payload);
payload.is_manual = true;
payload.success = false;
const execTime3 = fakeJestSystemTime('2022-01-01 14:00:00');
await telemetry.trackWorkflowExecution(payload);
fakeJestSystemTime('2022-01-01 12:30:00');
await telemetry.trackWorkflowExecution(payload);
payload.is_manual = false;
payload.success = false;
const execTime4 = fakeJestSystemTime('2022-01-01 15:00:00');
await telemetry.trackWorkflowExecution(payload);
fakeJestSystemTime('2022-01-01 12:30:00');
await telemetry.trackWorkflowExecution(payload);
expect(spyTrack).toHaveBeenCalledTimes(0);
const execBuffer = telemetry.getCountsBuffer();
expect(execBuffer['1'].manual_success?.count).toBe(2);
expect(execBuffer['1'].manual_success?.first).toEqual(execTime1);
expect(execBuffer['1'].prod_success?.count).toBe(2);
expect(execBuffer['1'].prod_success?.first).toEqual(execTime2);
expect(execBuffer['1'].manual_error?.count).toBe(2);
expect(execBuffer['1'].manual_error?.first).toEqual(execTime3);
expect(execBuffer['1'].prod_error?.count).toBe(2);
expect(execBuffer['1'].prod_error?.first).toEqual(execTime4);
});
test('should fire "Workflow execution errored" event for failed executions', async () => {
const payload = {
workflow_id: '1',
is_manual: true,
success: false,
error_node_type: 'custom-nodes-base.node-type',
};
const execTime1 = fakeJestSystemTime('2022-01-01 12:00:00');
await telemetry.trackWorkflowExecution(payload);
fakeJestSystemTime('2022-01-01 12:30:00');
await telemetry.trackWorkflowExecution(payload);
let execBuffer = telemetry.getCountsBuffer();
// should not fire event for custom nodes
expect(spyTrack).toHaveBeenCalledTimes(0);
expect(execBuffer['1'].manual_error?.count).toBe(2);
expect(execBuffer['1'].manual_error?.first).toEqual(execTime1);
payload.error_node_type = 'n8n-nodes-base.node-type';
fakeJestSystemTime('2022-01-01 13:00:00');
await telemetry.trackWorkflowExecution(payload);
fakeJestSystemTime('2022-01-01 12:30:00');
await telemetry.trackWorkflowExecution(payload);
execBuffer = telemetry.getCountsBuffer();
// should fire event for custom nodes
expect(spyTrack).toHaveBeenCalledTimes(2);
expect(spyTrack).toHaveBeenCalledWith('Workflow execution errored', payload);
expect(execBuffer['1'].manual_error?.count).toBe(4);
expect(execBuffer['1'].manual_error?.first).toEqual(execTime1);
});
test('should track production executions count correctly', async () => {
const payload = {
workflow_id: '1',
is_manual: false,
success: true,
error_node_type: 'node_type',
};
// successful execution
const execTime1 = fakeJestSystemTime('2022-01-01 12:00:00');
await telemetry.trackWorkflowExecution(payload);
expect(spyTrack).toHaveBeenCalledTimes(0);
let execBuffer = telemetry.getCountsBuffer();
expect(execBuffer['1'].manual_error).toBeUndefined();
expect(execBuffer['1'].manual_success).toBeUndefined();
expect(execBuffer['1'].prod_error).toBeUndefined();
expect(execBuffer['1'].prod_success?.count).toBe(1);
expect(execBuffer['1'].prod_success?.first).toEqual(execTime1);
// successful execution n8n node
payload.error_node_type = 'n8n-nodes-base.merge';
payload.workflow_id = '2';
await telemetry.trackWorkflowExecution(payload);
expect(spyTrack).toHaveBeenCalledTimes(0);
execBuffer = telemetry.getCountsBuffer();
expect(execBuffer['1'].manual_error).toBeUndefined();
expect(execBuffer['1'].manual_success).toBeUndefined();
expect(execBuffer['1'].prod_error).toBeUndefined();
expect(execBuffer['1'].prod_success?.count).toBe(1);
expect(execBuffer['2'].prod_success?.count).toBe(1);
expect(execBuffer['1'].prod_success?.first).toEqual(execTime1);
expect(execBuffer['2'].prod_success?.first).toEqual(execTime1);
// additional successful execution
payload.error_node_type = 'n8n-nodes-base.merge';
payload.workflow_id = '2';
await telemetry.trackWorkflowExecution(payload);
payload.error_node_type = 'n8n-nodes-base.merge';
payload.workflow_id = '1';
await telemetry.trackWorkflowExecution(payload);
expect(spyTrack).toHaveBeenCalledTimes(0);
execBuffer = telemetry.getCountsBuffer();
expect(execBuffer['1'].manual_error).toBeUndefined();
expect(execBuffer['1'].manual_success).toBeUndefined();
expect(execBuffer['1'].prod_error).toBeUndefined();
expect(execBuffer['2'].manual_error).toBeUndefined();
expect(execBuffer['2'].manual_success).toBeUndefined();
expect(execBuffer['2'].prod_error).toBeUndefined();
expect(execBuffer['1'].prod_success?.count).toBe(2);
expect(execBuffer['2'].prod_success?.count).toBe(2);
expect(execBuffer['1'].prod_success?.first).toEqual(execTime1);
expect(execBuffer['2'].prod_success?.first).toEqual(execTime1);
// failed execution
const execTime2 = fakeJestSystemTime('2022-01-01 12:00:00');
payload.error_node_type = 'custom-package.custom-node';
payload.success = false;
await telemetry.trackWorkflowExecution(payload);
expect(spyTrack).toHaveBeenCalledTimes(0);
execBuffer = telemetry.getCountsBuffer();
expect(execBuffer['1'].manual_error).toBeUndefined();
expect(execBuffer['1'].manual_success).toBeUndefined();
expect(execBuffer['2'].manual_error).toBeUndefined();
expect(execBuffer['2'].manual_success).toBeUndefined();
expect(execBuffer['2'].prod_error).toBeUndefined();
expect(execBuffer['1'].prod_error?.count).toBe(1);
expect(execBuffer['1'].prod_success?.count).toBe(2);
expect(execBuffer['2'].prod_success?.count).toBe(2);
expect(execBuffer['1'].prod_error?.first).toEqual(execTime2);
expect(execBuffer['1'].prod_success?.first).toEqual(execTime1);
expect(execBuffer['2'].prod_success?.first).toEqual(execTime1);
// failed execution n8n node
payload.success = false;
payload.error_node_type = 'n8n-nodes-base.merge';
await telemetry.trackWorkflowExecution(payload);
expect(spyTrack).toHaveBeenCalledTimes(1);
execBuffer = telemetry.getCountsBuffer();
expect(execBuffer['1'].manual_error).toBeUndefined();
expect(execBuffer['1'].manual_success).toBeUndefined();
expect(execBuffer['2'].manual_error).toBeUndefined();
expect(execBuffer['2'].manual_success).toBeUndefined();
expect(execBuffer['2'].prod_error).toBeUndefined();
expect(execBuffer['1'].prod_success?.count).toBe(2);
expect(execBuffer['1'].prod_error?.count).toBe(2);
expect(execBuffer['2'].prod_success?.count).toBe(2);
expect(execBuffer['1'].prod_error?.first).toEqual(execTime2);
expect(execBuffer['1'].prod_success?.first).toEqual(execTime1);
expect(execBuffer['2'].prod_success?.first).toEqual(execTime1);
});
});
describe('pulse', () => {
let pulseSpy: jest.SpyInstance;
beforeAll(() => {
startPulseSpy.mockRestore();
});
beforeEach(() => {
fakeJestSystemTime(testDateTime);
pulseSpy = jest.spyOn(Telemetry.prototype as any, 'pulse');
});
afterEach(() => {
pulseSpy.mockClear();
});
test('should trigger pulse in intervals', () => {
expect(pulseSpy).toBeCalledTimes(0);
jest.advanceTimersToNextTimer();
expect(pulseSpy).toBeCalledTimes(1);
expect(spyTrack).toHaveBeenCalledTimes(1);
expect(spyTrack).toHaveBeenCalledWith('pulse');
jest.advanceTimersToNextTimer();
expect(pulseSpy).toBeCalledTimes(2);
expect(spyTrack).toHaveBeenCalledTimes(2);
expect(spyTrack).toHaveBeenCalledWith('pulse');
});
test('should track workflow counts correctly', async () => {
expect(pulseSpy).toBeCalledTimes(0);
let execBuffer = telemetry.getCountsBuffer();
// expect clear counters on start
expect(Object.keys(execBuffer).length).toBe(0);
const payload = {
workflow_id: '1',
is_manual: true,
success: true,
error_node_type: 'custom-nodes-base.node-type',
};
await telemetry.trackWorkflowExecution(payload);
await telemetry.trackWorkflowExecution(payload);
payload.is_manual = false;
payload.success = true;
await telemetry.trackWorkflowExecution(payload);
await telemetry.trackWorkflowExecution(payload);
payload.is_manual = true;
payload.success = false;
await telemetry.trackWorkflowExecution(payload);
await telemetry.trackWorkflowExecution(payload);
payload.is_manual = false;
payload.success = false;
await telemetry.trackWorkflowExecution(payload);
await telemetry.trackWorkflowExecution(payload);
payload.workflow_id = '2';
await telemetry.trackWorkflowExecution(payload);
await telemetry.trackWorkflowExecution(payload);
expect(spyTrack).toHaveBeenCalledTimes(0);
expect(pulseSpy).toBeCalledTimes(0);
jest.advanceTimersToNextTimer();
execBuffer = telemetry.getCountsBuffer();
expect(pulseSpy).toBeCalledTimes(1);
expect(spyTrack).toHaveBeenCalledTimes(3);
expect(spyTrack).toHaveBeenNthCalledWith(1, 'Workflow execution count', {
event_version: '2',
workflow_id: '1',
manual_error: {
count: 2,
first: testDateTime,
},
manual_success: {
count: 2,
first: testDateTime,
},
prod_error: {
count: 2,
first: testDateTime,
},
prod_success: {
count: 2,
first: testDateTime,
},
});
expect(spyTrack).toHaveBeenNthCalledWith(2, 'Workflow execution count', {
event_version: '2',
workflow_id: '2',
prod_error: {
count: 2,
first: testDateTime,
},
});
expect(spyTrack).toHaveBeenNthCalledWith(3, 'pulse');
expect(Object.keys(execBuffer).length).toBe(0);
jest.advanceTimersToNextTimer();
execBuffer = telemetry.getCountsBuffer();
expect(Object.keys(execBuffer).length).toBe(0);
expect(pulseSpy).toBeCalledTimes(2);
expect(spyTrack).toHaveBeenCalledTimes(4);
expect(spyTrack).toHaveBeenNthCalledWith(4, 'pulse');
});
});
});
const fakeJestSystemTime = (dateTime: string | Date): Date => {
const dt = new Date(dateTime);
jest.setSystemTime(dt);
return dt;
};