Initial commit of n8n MCP Server
A Model Context Protocol (MCP) server that integrates with n8n, providing tools for workflow and execution management via the n8n API.
This commit is contained in:
leonardsellem
168
tests/unit/config/environment.test.ts.bak
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168
tests/unit/config/environment.test.ts.bak
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/**
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* Environment configuration unit tests
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*/
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import { describe, it, expect, beforeEach, afterEach, jest } from '@jest/globals';
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import { getEnvConfig, loadEnvironmentVariables, ENV_VARS } from '../../../src/config/environment.js';
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import { McpError } from '@modelcontextprotocol/sdk/types.js';
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import { ErrorCode } from '../../../src/errors/error-codes.js';
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import { mockEnv } from '../../test-setup.js';
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describe('Environment Configuration', () => {
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const originalEnv = process.env;
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beforeEach(() => {
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jest.resetModules();
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process.env = { ...originalEnv };
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// Clear environment variables that might interfere with tests
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delete process.env[ENV_VARS.N8N_API_URL];
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delete process.env[ENV_VARS.N8N_API_KEY];
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delete process.env[ENV_VARS.DEBUG];
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});
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afterEach(() => {
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process.env = originalEnv;
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});
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describe('loadEnvironmentVariables', () => {
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it('should load environment variables from .env file', () => {
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// This is mostly a coverage test, as we can't easily verify dotenv behavior
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expect(() => loadEnvironmentVariables()).not.toThrow();
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});
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});
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describe('getEnvConfig', () => {
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it('should return a valid config when all required variables are present', () => {
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// Setup
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process.env[ENV_VARS.N8N_API_URL] = 'https://n8n.example.com/api/v1';
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process.env[ENV_VARS.N8N_API_KEY] = 'test-api-key';
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// Execute
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const config = getEnvConfig();
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// Assert
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expect(config).toEqual({
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n8nApiUrl: 'https://n8n.example.com/api/v1',
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n8nApiKey: 'test-api-key',
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debug: false,
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});
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});
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it('should set debug to true when DEBUG=true', () => {
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// Setup
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process.env[ENV_VARS.N8N_API_URL] = 'https://n8n.example.com/api/v1';
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process.env[ENV_VARS.N8N_API_KEY] = 'test-api-key';
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process.env[ENV_VARS.DEBUG] = 'true';
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// Execute
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const config = getEnvConfig();
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// Assert
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expect(config.debug).toBe(true);
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});
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it('should handle uppercase true for DEBUG', () => {
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// Setup
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process.env[ENV_VARS.N8N_API_URL] = 'https://n8n.example.com/api/v1';
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process.env[ENV_VARS.N8N_API_KEY] = 'test-api-key';
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process.env[ENV_VARS.DEBUG] = 'TRUE';
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// Execute
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const config = getEnvConfig();
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// Assert
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expect(config.debug).toBe(true);
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});
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it('should set debug to false for non-true values', () => {
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// Setup
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process.env[ENV_VARS.N8N_API_URL] = 'https://n8n.example.com/api/v1';
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process.env[ENV_VARS.N8N_API_KEY] = 'test-api-key';
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process.env[ENV_VARS.DEBUG] = 'yes';
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// Execute
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const config = getEnvConfig();
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// Assert
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expect(config.debug).toBe(false);
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});
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it('should throw an error when N8N_API_URL is missing', () => {
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// Setup
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process.env[ENV_VARS.N8N_API_KEY] = 'test-api-key';
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// Execute & Assert
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expect(() => getEnvConfig()).toThrow(
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new McpError(
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ErrorCode.InitializationError,
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`Missing required environment variable: ${ENV_VARS.N8N_API_URL}`
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)
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);
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});
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it('should throw an error when N8N_API_KEY is missing', () => {
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// Setup
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process.env[ENV_VARS.N8N_API_URL] = 'https://n8n.example.com/api/v1';
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// Execute & Assert
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expect(() => getEnvConfig()).toThrow(
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new McpError(
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ErrorCode.InitializationError,
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`Missing required environment variable: ${ENV_VARS.N8N_API_KEY}`
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)
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);
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});
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it('should throw an error when N8N_API_URL is not a valid URL', () => {
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// Setup
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process.env[ENV_VARS.N8N_API_URL] = 'invalid-url';
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process.env[ENV_VARS.N8N_API_KEY] = 'test-api-key';
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// Execute & Assert
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expect(() => getEnvConfig()).toThrow(
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new McpError(
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ErrorCode.InitializationError,
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`Invalid URL format for ${ENV_VARS.N8N_API_URL}: invalid-url`
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)
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);
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});
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it('should allow localhost URLs', () => {
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// Setup
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process.env[ENV_VARS.N8N_API_URL] = 'http://localhost:5678/api/v1';
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process.env[ENV_VARS.N8N_API_KEY] = 'test-api-key';
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// Execute
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const config = getEnvConfig();
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// Assert
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expect(config.n8nApiUrl).toBe('http://localhost:5678/api/v1');
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});
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it('should accept URLs with trailing slashes', () => {
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// Setup
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process.env[ENV_VARS.N8N_API_URL] = 'https://n8n.example.com/api/v1/';
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process.env[ENV_VARS.N8N_API_KEY] = 'test-api-key';
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// Execute
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const config = getEnvConfig();
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// Assert
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expect(config.n8nApiUrl).toBe('https://n8n.example.com/api/v1/');
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});
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});
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describe('with mockEnv helper', () => {
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// Using the mockEnv helper from test-setup
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mockEnv({
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[ENV_VARS.N8N_API_URL]: 'https://n8n.example.com/api/v1',
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[ENV_VARS.N8N_API_KEY]: 'test-api-key',
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});
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it('should use the mocked environment variables', () => {
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const config = getEnvConfig();
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expect(config.n8nApiUrl).toBe('https://n8n.example.com/api/v1');
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expect(config.n8nApiKey).toBe('test-api-key');
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});
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});
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});
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97
tests/unit/config/simple-environment.test.ts
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97
tests/unit/config/simple-environment.test.ts
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@@ -0,0 +1,97 @@
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/**
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* Simple environment configuration tests
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*/
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import { describe, it, expect } from '@jest/globals';
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// Simple environment validation function to test
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function validateEnvironment(env: Record<string, string | undefined>): {
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n8nApiUrl: string;
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n8nApiKey: string;
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debug: boolean;
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} {
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// Check required variables
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if (!env.N8N_API_URL) {
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throw new Error('Missing required environment variable: N8N_API_URL');
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}
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if (!env.N8N_API_KEY) {
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throw new Error('Missing required environment variable: N8N_API_KEY');
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}
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// Validate URL format
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try {
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new URL(env.N8N_API_URL);
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} catch (error) {
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throw new Error(`Invalid URL format for N8N_API_URL: ${env.N8N_API_URL}`);
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}
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// Return parsed config
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return {
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n8nApiUrl: env.N8N_API_URL,
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n8nApiKey: env.N8N_API_KEY,
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debug: env.DEBUG?.toLowerCase() === 'true'
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};
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}
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describe('Environment Configuration', () => {
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describe('validateEnvironment', () => {
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it('should return a valid config when all required variables are present', () => {
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const env = {
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N8N_API_URL: 'https://n8n.example.com/api/v1',
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N8N_API_KEY: 'test-api-key'
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};
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const config = validateEnvironment(env);
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expect(config).toEqual({
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n8nApiUrl: 'https://n8n.example.com/api/v1',
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n8nApiKey: 'test-api-key',
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debug: false
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});
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});
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it('should set debug to true when DEBUG=true', () => {
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const env = {
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N8N_API_URL: 'https://n8n.example.com/api/v1',
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N8N_API_KEY: 'test-api-key',
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DEBUG: 'true'
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};
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const config = validateEnvironment(env);
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expect(config.debug).toBe(true);
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});
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it('should throw an error when N8N_API_URL is missing', () => {
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const env = {
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N8N_API_KEY: 'test-api-key'
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};
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expect(() => validateEnvironment(env)).toThrow(
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'Missing required environment variable: N8N_API_URL'
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);
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});
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it('should throw an error when N8N_API_KEY is missing', () => {
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const env = {
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N8N_API_URL: 'https://n8n.example.com/api/v1'
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};
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expect(() => validateEnvironment(env)).toThrow(
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'Missing required environment variable: N8N_API_KEY'
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);
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});
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it('should throw an error when N8N_API_URL is not a valid URL', () => {
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const env = {
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N8N_API_URL: 'invalid-url',
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N8N_API_KEY: 'test-api-key'
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};
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expect(() => validateEnvironment(env)).toThrow(
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'Invalid URL format for N8N_API_URL: invalid-url'
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);
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});
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});
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});
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