n8n-MCP

import { describe, it, expect } from 'vitest'; import { resolveTemplateNodeTypes } from '../../../src/utils/template-node-resolver'; describe('Template Node Resolver', () => { describe('resolveTemplateNodeTypes', () => { it('should handle bare node names', () => { const result = resolveTemplateNodeTypes(['slack']); expect(result).toContain('n8n-nodes-base.slack'); expect(result).toContain('n8n-nodes-base.slackTrigger'); }); it('should handle HTTP variations', () => { const result = resolveTemplateNodeTypes(['http']); expect(result).toContain('n8n-nodes-base.httpRequest'); expect(result).toContain('n8n-nodes-base.webhook'); }); it('should handle httpRequest variations', () => { const result = resolveTemplateNodeTypes(['httprequest']); expect(result).toContain('n8n-nodes-base.httpRequest'); }); it('should handle partial prefix formats', () => { const result = resolveTemplateNodeTypes(['nodes-base.webhook']); expect(result).toContain('n8n-nodes-base.webhook'); expect(result).not.toContain('nodes-base.webhook'); }); it('should handle langchain nodes', () => { const result = resolveTemplateNodeTypes(['nodes-langchain.agent']); expect(result).toContain('@n8n/n8n-nodes-langchain.agent'); expect(result).not.toContain('nodes-langchain.agent'); }); it('should handle already correct formats', () => { const input = ['n8n-nodes-base.slack', '@n8n/n8n-nodes-langchain.agent']; const result = resolveTemplateNodeTypes(input); expect(result).toContain('n8n-nodes-base.slack'); expect(result).toContain('@n8n/n8n-nodes-langchain.agent'); }); it('should handle Google services', () => { const result = resolveTemplateNodeTypes(['google']); expect(result).toContain('n8n-nodes-base.googleSheets'); expect(result).toContain('n8n-nodes-base.googleDrive'); expect(result).toContain('n8n-nodes-base.googleCalendar'); }); it('should handle database variations', () => { const result = resolveTemplateNodeTypes(['database']); expect(result).toContain('n8n-nodes-base.postgres'); expect(result).toContain('n8n-nodes-base.mysql'); expect(result).toContain('n8n-nodes-base.mongoDb'); expect(result).toContain('n8n-nodes-base.postgresDatabase'); expect(result).toContain('n8n-nodes-base.mysqlDatabase'); }); it('should handle AI/LLM variations', () => { const result = resolveTemplateNodeTypes(['ai']); expect(result).toContain('n8n-nodes-base.openAi'); expect(result).toContain('@n8n/n8n-nodes-langchain.agent'); expect(result).toContain('@n8n/n8n-nodes-langchain.lmChatOpenAi'); }); it('should handle email variations', () => { const result = resolveTemplateNodeTypes(['email']); expect(result).toContain('n8n-nodes-base.emailSend'); expect(result).toContain('n8n-nodes-base.emailReadImap'); expect(result).toContain('n8n-nodes-base.gmail'); expect(result).toContain('n8n-nodes-base.gmailTrigger'); }); it('should handle schedule/cron variations', () => { const result = resolveTemplateNodeTypes(['schedule']); expect(result).toContain('n8n-nodes-base.scheduleTrigger'); expect(result).toContain('n8n-nodes-base.cron'); }); it('should handle multiple inputs', () => { const result = resolveTemplateNodeTypes(['slack', 'webhook', 'http']); expect(result).toContain('n8n-nodes-base.slack'); expect(result).toContain('n8n-nodes-base.slackTrigger'); expect(result).toContain('n8n-nodes-base.webhook'); expect(result).toContain('n8n-nodes-base.httpRequest'); }); it('should not duplicate entries', () => { const result = resolveTemplateNodeTypes(['slack', 'n8n-nodes-base.slack']); const slackCount = result.filter(r => r === 'n8n-nodes-base.slack').length; expect(slackCount).toBe(1); }); it('should handle mixed case inputs', () => { const result = resolveTemplateNodeTypes(['Slack', 'WEBHOOK', 'HttpRequest']); expect(result).toContain('n8n-nodes-base.slack'); expect(result).toContain('n8n-nodes-base.webhook'); expect(result).toContain('n8n-nodes-base.httpRequest'); }); it('should handle common misspellings', () => { const result = resolveTemplateNodeTypes(['postgres', 'postgresql']); expect(result).toContain('n8n-nodes-base.postgres'); expect(result).toContain('n8n-nodes-base.postgresDatabase'); }); it('should handle code/javascript/python variations', () => { const result = resolveTemplateNodeTypes(['javascript', 'python', 'js']); result.forEach(() => { expect(result).toContain('n8n-nodes-base.code'); }); }); it('should handle trigger suffix variations', () => { const result = resolveTemplateNodeTypes(['slacktrigger', 'gmailtrigger']); expect(result).toContain('n8n-nodes-base.slackTrigger'); expect(result).toContain('n8n-nodes-base.gmailTrigger'); }); it('should handle sheet/sheets variations', () => { const result = resolveTemplateNodeTypes(['googlesheet', 'googlesheets']); result.forEach(() => { expect(result).toContain('n8n-nodes-base.googleSheets'); }); }); it('should return empty array for empty input', () => { const result = resolveTemplateNodeTypes([]); expect(result).toEqual([]); }); }); describe('Edge cases', () => { it('should handle undefined-like strings gracefully', () => { const result = resolveTemplateNodeTypes(['undefined', 'null', '']); // Should process them as regular strings expect(result).toBeDefined(); expect(Array.isArray(result)).toBe(true); }); it('should handle very long node names', () => { const longName = 'a'.repeat(100); const result = resolveTemplateNodeTypes([longName]); expect(result).toBeDefined(); expect(Array.isArray(result)).toBe(true); }); it('should handle special characters in node names', () => { const result = resolveTemplateNodeTypes(['node-with-dashes', 'node_with_underscores']); expect(result).toBeDefined(); expect(Array.isArray(result)).toBe(true); }); }); describe('Real-world scenarios from AI agents', () => { it('should handle common AI agent queries', () => { // These are actual queries that AI agents commonly try const testCases = [ { input: ['slack'], shouldContain: 'n8n-nodes-base.slack' }, { input: ['webhook'], shouldContain: 'n8n-nodes-base.webhook' }, { input: ['http'], shouldContain: 'n8n-nodes-base.httpRequest' }, { input: ['email'], shouldContain: 'n8n-nodes-base.gmail' }, { input: ['gpt'], shouldContain: 'n8n-nodes-base.openAi' }, { input: ['chatgpt'], shouldContain: 'n8n-nodes-base.openAi' }, { input: ['agent'], shouldContain: '@n8n/n8n-nodes-langchain.agent' }, { input: ['sql'], shouldContain: 'n8n-nodes-base.postgres' }, { input: ['api'], shouldContain: 'n8n-nodes-base.httpRequest' }, { input: ['csv'], shouldContain: 'n8n-nodes-base.spreadsheetFile' }, ]; testCases.forEach(({ input, shouldContain }) => { const result = resolveTemplateNodeTypes(input); expect(result).toContain(shouldContain); }); }); }); });