n8n-MCP

#!/usr/bin/env node "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); const protocol_version_1 = require("../utils/protocol-version"); const testCases = [ { name: 'Standard MCP client (Claude Desktop)', clientVersion: '2025-03-26', clientInfo: { name: 'Claude Desktop', version: '1.0.0' }, expectedVersion: '2025-03-26', expectedIsN8nClient: false }, { name: 'n8n client with specific client info', clientVersion: '2025-03-26', clientInfo: { name: 'n8n', version: '1.0.0' }, expectedVersion: protocol_version_1.N8N_PROTOCOL_VERSION, expectedIsN8nClient: true }, { name: 'LangChain client', clientVersion: '2025-03-26', clientInfo: { name: 'langchain-js', version: '0.1.0' }, expectedVersion: protocol_version_1.N8N_PROTOCOL_VERSION, expectedIsN8nClient: true }, { name: 'n8n client via user agent', clientVersion: '2025-03-26', userAgent: 'n8n/1.0.0', expectedVersion: protocol_version_1.N8N_PROTOCOL_VERSION, expectedIsN8nClient: true }, { name: 'n8n mode environment variable', clientVersion: '2025-03-26', expectedVersion: protocol_version_1.N8N_PROTOCOL_VERSION, expectedIsN8nClient: true }, { name: 'Client requesting older version', clientVersion: '2024-06-25', clientInfo: { name: 'Some Client', version: '1.0.0' }, expectedVersion: '2024-06-25', expectedIsN8nClient: false }, { name: 'Client requesting unsupported version', clientVersion: '2020-01-01', clientInfo: { name: 'Old Client', version: '1.0.0' }, expectedVersion: protocol_version_1.STANDARD_PROTOCOL_VERSION, expectedIsN8nClient: false }, { name: 'No client info provided', expectedVersion: protocol_version_1.STANDARD_PROTOCOL_VERSION, expectedIsN8nClient: false }, { name: 'n8n headers detection', clientVersion: '2025-03-26', headers: { 'x-n8n-version': '1.0.0' }, expectedVersion: protocol_version_1.N8N_PROTOCOL_VERSION, expectedIsN8nClient: true } ]; async function runTests() { console.log('🧪 Testing Protocol Version Negotiation\n'); let passed = 0; let failed = 0; const originalN8nMode = process.env.N8N_MODE; for (const testCase of testCases) { try { if (testCase.name.includes('environment variable')) { process.env.N8N_MODE = 'true'; } else { delete process.env.N8N_MODE; } const detectedAsN8n = (0, protocol_version_1.isN8nClient)(testCase.clientInfo, testCase.userAgent, testCase.headers); const result = (0, protocol_version_1.negotiateProtocolVersion)(testCase.clientVersion, testCase.clientInfo, testCase.userAgent, testCase.headers); const versionCorrect = result.version === testCase.expectedVersion; const n8nDetectionCorrect = result.isN8nClient === testCase.expectedIsN8nClient; const isN8nFunctionCorrect = detectedAsN8n === testCase.expectedIsN8nClient; if (versionCorrect && n8nDetectionCorrect && isN8nFunctionCorrect) { console.log(`✅ ${testCase.name}`); console.log(` Version: ${result.version}, n8n client: ${result.isN8nClient}`); console.log(` Reasoning: ${result.reasoning}\n`); passed++; } else { console.log(`❌ ${testCase.name}`); console.log(` Expected: version=${testCase.expectedVersion}, isN8n=${testCase.expectedIsN8nClient}`); console.log(` Got: version=${result.version}, isN8n=${result.isN8nClient}`); console.log(` isN8nClient function: ${detectedAsN8n} (expected: ${testCase.expectedIsN8nClient})`); console.log(` Reasoning: ${result.reasoning}\n`); failed++; } } catch (error) { console.log(`💥 ${testCase.name} - ERROR`); console.log(` ${error instanceof Error ? error.message : String(error)}\n`); failed++; } } if (originalN8nMode) { process.env.N8N_MODE = originalN8nMode; } else { delete process.env.N8N_MODE; } console.log(`\n📊 Test Results:`); console.log(` ✅ Passed: ${passed}`); console.log(` ❌ Failed: ${failed}`); console.log(` Total: ${passed + failed}`); if (failed > 0) { console.log(`\n❌ Some tests failed!`); process.exit(1); } else { console.log(`\n🎉 All tests passed!`); } } async function testIntegration() { console.log('\n🔧 Integration Test - MCP Server Protocol Negotiation\n'); const scenarios = [ { name: 'Claude Desktop connecting', clientInfo: { name: 'Claude Desktop', version: '1.0.0' }, clientVersion: '2025-03-26' }, { name: 'n8n connecting via HTTP', headers: { 'user-agent': 'n8n/1.52.0' }, clientVersion: '2025-03-26' } ]; for (const scenario of scenarios) { const result = (0, protocol_version_1.negotiateProtocolVersion)(scenario.clientVersion, scenario.clientInfo, scenario.headers?.['user-agent'], scenario.headers); console.log(`🔍 ${scenario.name}:`); console.log(` Negotiated version: ${result.version}`); console.log(` Is n8n client: ${result.isN8nClient}`); console.log(` Reasoning: ${result.reasoning}\n`); } } if (require.main === module) { runTests() .then(() => testIntegration()) .catch(error => { console.error('Test execution failed:', error); process.exit(1); }); } //# sourceMappingURL=test-protocol-negotiation.js.map