environment.test.ts.bak•5.21 kB
/**
* Environment configuration unit tests
*/
import { describe, it, expect, beforeEach, afterEach, jest } from '@jest/globals';
import { getEnvConfig, loadEnvironmentVariables, ENV_VARS } from '../../../src/config/environment.js';
import { McpError } from '@modelcontextprotocol/sdk/types.js';
import { ErrorCode } from '../../../src/errors/error-codes.js';
import { mockEnv } from '../../test-setup.js';
describe('Environment Configuration', () => {
const originalEnv = process.env;
beforeEach(() => {
jest.resetModules();
process.env = { ...originalEnv };
// Clear environment variables that might interfere with tests
delete process.env[ENV_VARS.N8N_API_URL];
delete process.env[ENV_VARS.N8N_API_KEY];
delete process.env[ENV_VARS.DEBUG];
});
afterEach(() => {
process.env = originalEnv;
});
describe('loadEnvironmentVariables', () => {
it('should load environment variables from .env file', () => {
// This is mostly a coverage test, as we can't easily verify dotenv behavior
expect(() => loadEnvironmentVariables()).not.toThrow();
});
});
describe('getEnvConfig', () => {
it('should return a valid config when all required variables are present', () => {
// Setup
process.env[ENV_VARS.N8N_API_URL] = 'https://n8n.example.com/api/v1';
process.env[ENV_VARS.N8N_API_KEY] = 'test-api-key';
// Execute
const config = getEnvConfig();
// Assert
expect(config).toEqual({
n8nApiUrl: 'https://n8n.example.com/api/v1',
n8nApiKey: 'test-api-key',
debug: false,
});
});
it('should set debug to true when DEBUG=true', () => {
// Setup
process.env[ENV_VARS.N8N_API_URL] = 'https://n8n.example.com/api/v1';
process.env[ENV_VARS.N8N_API_KEY] = 'test-api-key';
process.env[ENV_VARS.DEBUG] = 'true';
// Execute
const config = getEnvConfig();
// Assert
expect(config.debug).toBe(true);
});
it('should handle uppercase true for DEBUG', () => {
// Setup
process.env[ENV_VARS.N8N_API_URL] = 'https://n8n.example.com/api/v1';
process.env[ENV_VARS.N8N_API_KEY] = 'test-api-key';
process.env[ENV_VARS.DEBUG] = 'TRUE';
// Execute
const config = getEnvConfig();
// Assert
expect(config.debug).toBe(true);
});
it('should set debug to false for non-true values', () => {
// Setup
process.env[ENV_VARS.N8N_API_URL] = 'https://n8n.example.com/api/v1';
process.env[ENV_VARS.N8N_API_KEY] = 'test-api-key';
process.env[ENV_VARS.DEBUG] = 'yes';
// Execute
const config = getEnvConfig();
// Assert
expect(config.debug).toBe(false);
});
it('should throw an error when N8N_API_URL is missing', () => {
// Setup
process.env[ENV_VARS.N8N_API_KEY] = 'test-api-key';
// Execute & Assert
expect(() => getEnvConfig()).toThrow(
new McpError(
ErrorCode.InitializationError,
`Missing required environment variable: ${ENV_VARS.N8N_API_URL}`
)
);
});
it('should throw an error when N8N_API_KEY is missing', () => {
// Setup
process.env[ENV_VARS.N8N_API_URL] = 'https://n8n.example.com/api/v1';
// Execute & Assert
expect(() => getEnvConfig()).toThrow(
new McpError(
ErrorCode.InitializationError,
`Missing required environment variable: ${ENV_VARS.N8N_API_KEY}`
)
);
});
it('should throw an error when N8N_API_URL is not a valid URL', () => {
// Setup
process.env[ENV_VARS.N8N_API_URL] = 'invalid-url';
process.env[ENV_VARS.N8N_API_KEY] = 'test-api-key';
// Execute & Assert
expect(() => getEnvConfig()).toThrow(
new McpError(
ErrorCode.InitializationError,
`Invalid URL format for ${ENV_VARS.N8N_API_URL}: invalid-url`
)
);
});
it('should allow localhost URLs', () => {
// Setup
process.env[ENV_VARS.N8N_API_URL] = 'http://localhost:5678/api/v1';
process.env[ENV_VARS.N8N_API_KEY] = 'test-api-key';
// Execute
const config = getEnvConfig();
// Assert
expect(config.n8nApiUrl).toBe('http://localhost:5678/api/v1');
});
it('should accept URLs with trailing slashes', () => {
// Setup
process.env[ENV_VARS.N8N_API_URL] = 'https://n8n.example.com/api/v1/';
process.env[ENV_VARS.N8N_API_KEY] = 'test-api-key';
// Execute
const config = getEnvConfig();
// Assert
expect(config.n8nApiUrl).toBe('https://n8n.example.com/api/v1/');
});
});
describe('with mockEnv helper', () => {
// Using the mockEnv helper from test-setup
mockEnv({
[ENV_VARS.N8N_API_URL]: 'https://n8n.example.com/api/v1',
[ENV_VARS.N8N_API_KEY]: 'test-api-key',
});
it('should use the mocked environment variables', () => {
const config = getEnvConfig();
expect(config.n8nApiUrl).toBe('https://n8n.example.com/api/v1');
expect(config.n8nApiKey).toBe('test-api-key');
});
});
});