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test: Update node testing prompt (#20874)
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commit
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2 changed files with 587 additions and 11 deletions
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@ -13,17 +13,16 @@ You are an expert AI agent specialized in writing comprehensive, reliable unit t
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### 3. Testing guidelines
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- **Don't add useless comments** such as "Arrange, Assert, Act" or "Mock something".
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- **Always work from within the package directory** when running tests
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- **Use `pnpm test`** for running tests
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- **Always work from within the package directory** when running tests. E.g. for a node in nodes-base enter `packages/nodes-base` or for langchain node enter `packages/@n8n/nodes-langchain`
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- **Use `pnpm test <file_name>`** for running tests
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- **Mock all external dependencies** in unit tests
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### 4. Essential Test Categories
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Always include tests for:
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- **Happy Path**: Normal operation with valid inputs
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- **Error Handling**: Invalid inputs, API failures, network errors
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- **Error Handling**: Invalid inputs, API failures
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- **Edge Cases**: Empty data, null values, boundary conditions
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- **Parameter Validation**: Required vs optional parameters
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- **Binary Data**: File uploads, downloads, data streams
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- **Authentication**: Credential handling, token refresh
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- **Rate Limiting**: API throttling, retry logic
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@ -458,13 +457,6 @@ describe('TestNode', () => {
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});
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describe('error handling', () => {
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it('should throw error for missing required parameter', async () => {
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mockExecuteFunctions.getNodeParameter.mockReturnValue(undefined);
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await expect(node.execute.call(mockExecuteFunctions))
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.rejects.toThrow(NodeOperationError);
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});
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it('should handle API errors with continueOnFail', async () => {
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mockExecuteFunctions.getNodeParameter.mockReturnValue('create');
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mockExecuteFunctions.continueOnFail.mockReturnValue(true);
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@ -0,0 +1,584 @@
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import crypto from 'crypto';
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import type * as express from 'express';
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import { mock, mockDeep } from 'jest-mock-extended';
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import type { IDataObject, IHookFunctions, INode, IWebhookFunctions } from 'n8n-workflow';
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import { NodeOperationError } from 'n8n-workflow';
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import * as GenericFunctions from '../GenericFunctions';
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import type { WhatsAppAppWebhookSubscription, WhatsAppPageEvent } from '../types';
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import { WhatsAppTrigger, filterStatuses } from '../WhatsAppTrigger.node';
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describe('WhatsAppTrigger', () => {
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let node: WhatsAppTrigger;
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let mockHookFunctions: jest.Mocked<IHookFunctions>;
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let mockWebhookFunctions: jest.Mocked<IWebhookFunctions>;
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let mockNode: jest.Mocked<INode>;
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const appWebhookSubscriptionListSpy = jest.spyOn(GenericFunctions, 'appWebhookSubscriptionList');
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const appWebhookSubscriptionCreateSpy = jest.spyOn(
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GenericFunctions,
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'appWebhookSubscriptionCreate',
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);
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const appWebhookSubscriptionDeleteSpy = jest.spyOn(
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GenericFunctions,
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'appWebhookSubscriptionDelete',
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);
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beforeEach(() => {
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node = new WhatsAppTrigger();
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mockHookFunctions = mockDeep<IHookFunctions>();
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mockWebhookFunctions = mockDeep<IWebhookFunctions>();
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mockNode = mock<INode>({
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id: 'test-node-id',
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name: 'WhatsApp Trigger',
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type: 'n8n-nodes-base.whatsAppTrigger',
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typeVersion: 1,
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position: [0, 0],
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parameters: {},
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});
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jest.clearAllMocks();
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});
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afterEach(() => {
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jest.resetAllMocks();
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});
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describe('filterStatuses', () => {
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const mockEvents = [
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{ statuses: [{ status: 'sent' }] },
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{ statuses: [{ status: 'delivered' }] },
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{ statuses: [{ status: 'read' }] },
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{ statuses: [{ status: 'failed' }] },
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{},
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];
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it('should return all events when allowedStatuses is undefined', () => {
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const result = filterStatuses(mockEvents, undefined);
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expect(result).toEqual(mockEvents);
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});
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it('should return all events when allowedStatuses includes "all"', () => {
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const result = filterStatuses(mockEvents, ['all']);
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expect(result).toEqual(mockEvents);
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});
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it('should filter events with no statuses when allowedStatuses is empty', () => {
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const result = filterStatuses(mockEvents, []);
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expect(result).toEqual([{}]);
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});
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it('should filter events by specific statuses', () => {
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const result = filterStatuses(mockEvents, ['sent', 'delivered']);
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expect(result).toEqual([
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{ statuses: [{ status: 'sent' }] },
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{ statuses: [{ status: 'delivered' }] },
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{},
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]);
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});
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it('should handle events with multiple statuses', () => {
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const eventsWithMultipleStatuses = [
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{ statuses: [{ status: 'sent' }, { status: 'delivered' }] },
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{ statuses: [{ status: 'read' }] },
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];
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const result = filterStatuses(eventsWithMultipleStatuses, ['sent']);
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expect(result).toEqual([{ statuses: [{ status: 'sent' }, { status: 'delivered' }] }]);
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});
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});
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describe('Webhook Methods', () => {
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describe('checkExists', () => {
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beforeEach(() => {
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mockHookFunctions.getNodeWebhookUrl.mockReturnValue('https://test.com/webhook');
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mockHookFunctions.getCredentials.mockResolvedValue({
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clientId: 'test-app-id',
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clientSecret: 'test-secret',
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});
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mockHookFunctions.getNodeParameter.mockImplementation((paramName: string) => {
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if (paramName === 'updates') {
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return ['messages', 'account_update'] as string[];
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}
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return undefined;
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});
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mockHookFunctions.getNode.mockReturnValue(mockNode);
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});
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it('should return false when no subscription exists', async () => {
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appWebhookSubscriptionListSpy.mockResolvedValue([]);
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const result = await node.webhookMethods.default.checkExists.call(mockHookFunctions);
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expect(result).toBe(false);
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expect(appWebhookSubscriptionListSpy).toHaveBeenCalledWith('test-app-id');
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});
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it('should return true when matching subscription exists', async () => {
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const mockSubscription: WhatsAppAppWebhookSubscription = {
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object: 'whatsapp_business_account',
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callback_url: 'https://test.com/webhook',
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active: true,
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fields: [
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{ name: 'account_update', version: '1.0' },
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{ name: 'messages', version: '1.0' },
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],
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};
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appWebhookSubscriptionListSpy.mockResolvedValue([mockSubscription]);
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const result = await node.webhookMethods.default.checkExists.call(mockHookFunctions);
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expect(result).toBe(true);
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});
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it('should throw error when subscription exists with different callback URL', async () => {
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const mockSubscription: WhatsAppAppWebhookSubscription = {
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object: 'whatsapp_business_account',
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callback_url: 'https://different.com/webhook',
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active: true,
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fields: [
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{ name: 'account_update', version: '1.0' },
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{ name: 'messages', version: '1.0' },
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],
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};
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appWebhookSubscriptionListSpy.mockResolvedValue([mockSubscription]);
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await expect(
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node.webhookMethods.default.checkExists.call(mockHookFunctions),
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).rejects.toThrow(NodeOperationError);
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});
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it('should return false when subscription fields do not match subscribed events', async () => {
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const mockSubscription: WhatsAppAppWebhookSubscription = {
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object: 'whatsapp_business_account',
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callback_url: 'https://test.com/webhook',
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active: true,
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fields: [{ name: 'different_field', version: '1.0' }],
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};
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appWebhookSubscriptionListSpy.mockResolvedValue([mockSubscription]);
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const result = await node.webhookMethods.default.checkExists.call(mockHookFunctions);
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expect(result).toBe(false);
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expect(appWebhookSubscriptionDeleteSpy).not.toHaveBeenCalled();
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});
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});
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describe('create', () => {
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beforeEach(() => {
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mockHookFunctions.getNodeWebhookUrl.mockReturnValue('https://test.com/webhook');
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mockHookFunctions.getCredentials.mockResolvedValue({
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clientId: 'test-app-id',
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clientSecret: 'test-secret',
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});
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mockHookFunctions.getNodeParameter.mockReturnValue(['messages', 'account_update']);
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mockHookFunctions.getNode.mockReturnValue(mockNode);
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});
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it('should create webhook subscription successfully', async () => {
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appWebhookSubscriptionCreateSpy.mockResolvedValue({ success: true });
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const result = await node.webhookMethods.default.create.call(mockHookFunctions);
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expect(result).toBe(true);
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expect(appWebhookSubscriptionCreateSpy).toHaveBeenCalledWith('test-app-id', {
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object: 'whatsapp_business_account',
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callback_url: 'https://test.com/webhook',
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verify_token: 'test-node-id',
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fields: JSON.stringify(['messages', 'account_update']),
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include_values: true,
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});
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});
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});
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describe('delete', () => {
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beforeEach(() => {
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mockHookFunctions.getCredentials.mockResolvedValue({
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clientId: 'test-app-id',
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clientSecret: 'test-secret',
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});
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});
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it('should delete webhook subscription successfully', async () => {
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appWebhookSubscriptionDeleteSpy.mockResolvedValue({ success: true });
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const result = await node.webhookMethods.default.delete.call(mockHookFunctions);
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expect(result).toBe(true);
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expect(appWebhookSubscriptionDeleteSpy).toHaveBeenCalledWith(
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'test-app-id',
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'whatsapp_business_account',
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);
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});
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});
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});
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describe('webhook', () => {
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beforeEach(() => {
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mockWebhookFunctions.getCredentials.mockResolvedValue({
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clientId: 'test-app-id',
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clientSecret: 'test-secret',
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});
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mockWebhookFunctions.getNode.mockReturnValue(mockNode);
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mockWebhookFunctions.getNodeParameter.mockReturnValue({});
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});
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describe('setup webhook (GET)', () => {
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it('should handle challenge verification successfully', async () => {
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const mockRequest = {
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rawBody: Buffer.from('test'),
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};
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const mockResponse = {
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status: jest.fn().mockReturnThis(),
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send: jest.fn().mockReturnThis(),
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end: jest.fn(),
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} as unknown as express.Response;
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mockWebhookFunctions.getWebhookName.mockReturnValue('setup');
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mockWebhookFunctions.getQueryData.mockReturnValue({
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'hub.challenge': 'test-challenge',
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'hub.verify_token': 'test-node-id',
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} as any);
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mockWebhookFunctions.getRequestObject.mockReturnValue(mockRequest as any);
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mockWebhookFunctions.getResponseObject.mockReturnValue(mockResponse);
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const result = await node.webhook.call(mockWebhookFunctions);
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expect(result).toEqual({ noWebhookResponse: true });
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expect(mockResponse.status).toHaveBeenCalledWith(200);
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expect(mockResponse.send).toHaveBeenCalledWith('test-challenge');
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expect(mockResponse.end).toHaveBeenCalled();
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});
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it('should return empty object when verify token does not match', async () => {
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mockWebhookFunctions.getWebhookName.mockReturnValue('setup');
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mockWebhookFunctions.getQueryData.mockReturnValue({
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'hub.challenge': 'test-challenge',
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'hub.verify_token': 'wrong-token',
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} as any);
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const result = await node.webhook.call(mockWebhookFunctions);
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expect(result).toEqual({});
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});
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it('should return empty object when no challenge is provided', async () => {
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const mockRequest = {
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rawBody: Buffer.from('test'),
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};
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const mockBodyData = {
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object: 'whatsapp_business_account',
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entry: [],
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};
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mockWebhookFunctions.getWebhookName.mockReturnValue('setup');
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mockWebhookFunctions.getQueryData.mockReturnValue({});
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mockWebhookFunctions.getRequestObject.mockReturnValue(mockRequest as any);
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mockWebhookFunctions.getBodyData.mockReturnValue(mockBodyData as any);
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mockWebhookFunctions.getHeaderData.mockReturnValue({
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'x-hub-signature-256': 'sha256=test-signature',
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} as any);
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const createHmacSpy = jest.spyOn(crypto, 'createHmac');
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const mockHmac = {
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update: jest.fn().mockReturnThis(),
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digest: jest.fn().mockReturnValue('test-signature'),
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};
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createHmacSpy.mockReturnValue(mockHmac as unknown as ReturnType<typeof crypto.createHmac>);
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const result = await node.webhook.call(mockWebhookFunctions);
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expect(result).toEqual({});
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});
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});
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describe('default webhook (POST)', () => {
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beforeEach(() => {
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mockWebhookFunctions.getWebhookName.mockReturnValue('default');
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});
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it('should process valid webhook data successfully', async () => {
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const mockRequest = {
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rawBody: Buffer.from('test-body'),
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};
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const mockBodyData: WhatsAppPageEvent = {
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object: 'whatsapp_business_account',
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entry: [
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{
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id: 'entry-1',
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time: 1234567890,
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changes: [
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{
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field: 'messages',
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value: {
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statuses: [{ status: 'sent' }],
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},
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},
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],
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},
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],
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};
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mockWebhookFunctions.getRequestObject.mockReturnValue(mockRequest as any);
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mockWebhookFunctions.getBodyData.mockReturnValue(mockBodyData as any);
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mockWebhookFunctions.getHeaderData.mockReturnValue({
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'x-hub-signature-256': 'sha256=test-signature',
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} as any);
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mockWebhookFunctions.getNodeParameter.mockReturnValue({});
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// Mock crypto.createHmac to return predictable signature
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const createHmacSpy = jest.spyOn(crypto, 'createHmac');
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const mockHmac = {
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update: jest.fn().mockReturnThis(),
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digest: jest.fn().mockReturnValue('test-signature'),
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};
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createHmacSpy.mockReturnValue(mockHmac as unknown as ReturnType<typeof crypto.createHmac>);
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// Mock helpers.returnJsonArray
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(mockWebhookFunctions.helpers.returnJsonArray as jest.Mock).mockReturnValue([
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{ json: { statuses: [{ status: 'sent' }], field: 'messages' } },
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]);
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const result = await node.webhook.call(mockWebhookFunctions);
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expect(result.workflowData).toBeDefined();
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expect(result.workflowData?.[0]).toHaveLength(1);
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expect(result.workflowData?.[0]?.[0].json).toEqual({
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statuses: [{ status: 'sent' }],
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field: 'messages',
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});
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});
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it('should return empty object when signature verification fails', async () => {
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const mockRequest = {
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rawBody: Buffer.from('test-body'),
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};
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mockWebhookFunctions.getRequestObject.mockReturnValue(mockRequest as any);
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mockWebhookFunctions.getHeaderData.mockReturnValue({
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'x-hub-signature-256': 'sha256=wrong-signature',
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});
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const createHmacSpy = jest.spyOn(crypto, 'createHmac');
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const mockHmac = {
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update: jest.fn().mockReturnThis(),
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digest: jest.fn().mockReturnValue('correct-signature'),
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};
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createHmacSpy.mockReturnValue(mockHmac as unknown as ReturnType<typeof crypto.createHmac>);
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const result = await node.webhook.call(mockWebhookFunctions);
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expect(result).toEqual({});
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});
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it('should return empty object when object is not whatsapp_business_account', async () => {
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const mockRequest = {
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rawBody: Buffer.from('test-body'),
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};
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const mockBodyData = {
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object: 'different_object',
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entry: [],
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};
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mockWebhookFunctions.getRequestObject.mockReturnValue(mockRequest as any);
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mockWebhookFunctions.getBodyData.mockReturnValue(mockBodyData as any);
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mockWebhookFunctions.getHeaderData.mockReturnValue({
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'x-hub-signature-256': 'sha256=test-signature',
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} as any);
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const createHmacSpy = jest.spyOn(crypto, 'createHmac');
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const mockHmac = {
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update: jest.fn().mockReturnThis(),
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digest: jest.fn().mockReturnValue('test-signature'),
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};
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createHmacSpy.mockReturnValue(mockHmac as unknown as ReturnType<typeof crypto.createHmac>);
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const result = await node.webhook.call(mockWebhookFunctions);
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expect(result).toEqual({});
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});
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it('should filter events based on messageStatusUpdates option', async () => {
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const mockRequest = {
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rawBody: Buffer.from('test-body'),
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};
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const mockBodyData: WhatsAppPageEvent = {
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object: 'whatsapp_business_account',
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entry: [
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{
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id: 'entry-1',
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time: 1234567890,
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changes: [
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{
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field: 'messages',
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value: {
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statuses: [{ status: 'sent' }],
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},
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},
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{
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field: 'messages',
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value: {
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statuses: [{ status: 'delivered' }],
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},
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},
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{
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field: 'messages',
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value: {
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statuses: [{ status: 'read' }],
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},
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},
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],
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},
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],
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};
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mockWebhookFunctions.getRequestObject.mockReturnValue(mockRequest as any);
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mockWebhookFunctions.getBodyData.mockReturnValue(mockBodyData as any);
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mockWebhookFunctions.getHeaderData.mockReturnValue({
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'x-hub-signature-256': 'sha256=test-signature',
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||||
} as any);
|
||||
mockWebhookFunctions.getNodeParameter.mockReturnValue({
|
||||
messageStatusUpdates: ['sent', 'delivered'],
|
||||
});
|
||||
|
||||
const createHmacSpy = jest.spyOn(crypto, 'createHmac');
|
||||
const mockHmac = {
|
||||
update: jest.fn().mockReturnThis(),
|
||||
digest: jest.fn().mockReturnValue('test-signature'),
|
||||
};
|
||||
createHmacSpy.mockReturnValue(mockHmac as unknown as ReturnType<typeof crypto.createHmac>);
|
||||
|
||||
// Mock helpers.returnJsonArray for filtered results
|
||||
(mockWebhookFunctions.helpers.returnJsonArray as jest.Mock).mockReturnValue([
|
||||
{ json: { statuses: [{ status: 'sent' }], field: 'messages' } },
|
||||
{ json: { statuses: [{ status: 'delivered' }], field: 'messages' } },
|
||||
]);
|
||||
|
||||
const result = await node.webhook.call(mockWebhookFunctions);
|
||||
|
||||
expect(result.workflowData?.[0]).toHaveLength(2);
|
||||
expect((result.workflowData?.[0]?.[0]?.json?.statuses as IDataObject[])?.[0]?.status).toBe(
|
||||
'sent',
|
||||
);
|
||||
expect((result.workflowData?.[0]?.[1]?.json?.statuses as IDataObject[])?.[0]?.status).toBe(
|
||||
'delivered',
|
||||
);
|
||||
});
|
||||
|
||||
it('should return empty object when no events match filters', async () => {
|
||||
const mockRequest = {
|
||||
rawBody: Buffer.from('test-body'),
|
||||
};
|
||||
const mockBodyData: WhatsAppPageEvent = {
|
||||
object: 'whatsapp_business_account',
|
||||
entry: [
|
||||
{
|
||||
id: 'entry-1',
|
||||
time: 1234567890,
|
||||
changes: [
|
||||
{
|
||||
field: 'messages',
|
||||
value: {
|
||||
statuses: [{ status: 'read' }],
|
||||
},
|
||||
},
|
||||
],
|
||||
},
|
||||
],
|
||||
};
|
||||
|
||||
mockWebhookFunctions.getRequestObject.mockReturnValue(mockRequest as any);
|
||||
mockWebhookFunctions.getBodyData.mockReturnValue(mockBodyData as any);
|
||||
mockWebhookFunctions.getHeaderData.mockReturnValue({
|
||||
'x-hub-signature-256': 'sha256=test-signature',
|
||||
} as any);
|
||||
mockWebhookFunctions.getNodeParameter.mockReturnValue({
|
||||
messageStatusUpdates: ['sent', 'delivered'],
|
||||
});
|
||||
|
||||
const createHmacSpy = jest.spyOn(crypto, 'createHmac');
|
||||
const mockHmac = {
|
||||
update: jest.fn().mockReturnThis(),
|
||||
digest: jest.fn().mockReturnValue('test-signature'),
|
||||
};
|
||||
createHmacSpy.mockReturnValue(mockHmac as unknown as ReturnType<typeof crypto.createHmac>);
|
||||
|
||||
const result = await node.webhook.call(mockWebhookFunctions);
|
||||
|
||||
expect(result).toEqual({});
|
||||
});
|
||||
|
||||
it('should handle events without statuses when filtering', async () => {
|
||||
const mockRequest = {
|
||||
rawBody: Buffer.from('test-body'),
|
||||
};
|
||||
const mockBodyData: WhatsAppPageEvent = {
|
||||
object: 'whatsapp_business_account',
|
||||
entry: [
|
||||
{
|
||||
id: 'entry-1',
|
||||
time: 1234567890,
|
||||
changes: [
|
||||
{
|
||||
field: 'messages',
|
||||
value: {
|
||||
// No statuses property
|
||||
},
|
||||
},
|
||||
],
|
||||
},
|
||||
],
|
||||
};
|
||||
|
||||
mockWebhookFunctions.getRequestObject.mockReturnValue(mockRequest as any);
|
||||
mockWebhookFunctions.getBodyData.mockReturnValue(mockBodyData as any);
|
||||
mockWebhookFunctions.getHeaderData.mockReturnValue({
|
||||
'x-hub-signature-256': 'sha256=test-signature',
|
||||
} as any);
|
||||
mockWebhookFunctions.getNodeParameter.mockReturnValue({
|
||||
messageStatusUpdates: ['sent'],
|
||||
});
|
||||
|
||||
const createHmacSpy = jest.spyOn(crypto, 'createHmac');
|
||||
const mockHmac = {
|
||||
update: jest.fn().mockReturnThis(),
|
||||
digest: jest.fn().mockReturnValue('test-signature'),
|
||||
};
|
||||
createHmacSpy.mockReturnValue(mockHmac as unknown as ReturnType<typeof crypto.createHmac>);
|
||||
|
||||
// Mock helpers.returnJsonArray for events without statuses
|
||||
(mockWebhookFunctions.helpers.returnJsonArray as jest.Mock).mockReturnValue([
|
||||
{ json: { field: 'messages' } },
|
||||
]);
|
||||
|
||||
const result = await node.webhook.call(mockWebhookFunctions);
|
||||
|
||||
expect(result.workflowData?.[0]).toHaveLength(1);
|
||||
expect(result.workflowData?.[0]?.[0].json).toEqual({
|
||||
field: 'messages',
|
||||
});
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('Error Handling', () => {
|
||||
it('should handle API errors in webhook methods', async () => {
|
||||
mockHookFunctions.getCredentials.mockResolvedValue({
|
||||
clientId: 'test-app-id',
|
||||
clientSecret: 'test-secret',
|
||||
});
|
||||
mockHookFunctions.getNodeParameter.mockImplementation((paramName: string) => {
|
||||
if (paramName === 'updates') {
|
||||
return ['messages', 'account_update'];
|
||||
}
|
||||
return undefined;
|
||||
});
|
||||
appWebhookSubscriptionListSpy.mockRejectedValue(new Error('API Error'));
|
||||
|
||||
await expect(node.webhookMethods.default.checkExists.call(mockHookFunctions)).rejects.toThrow(
|
||||
'API Error',
|
||||
);
|
||||
});
|
||||
});
|
||||
});
|
||||
Loading…
Reference in a new issue