mountebank

import { strict as assert } from 'assert'; import { exec } from 'child_process'; import util from 'util'; const execPromise = util.promisify(exec); const imposterConfig = { port: 4545, protocol: 'http', stubs: [ { predicates: [{ equals: { path: '/test', method: 'GET' } }], responses: [ { is: { statusCode: 200, headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ message: 'Hello from Mountebank!' }) } } ] } ] }; async function runMountebankQuickstart() { let mbProcess; try { console.log('1. Installing @mbtest/mountebank globally...'); await execPromise('npm install -g @mbtest/mountebank'); console.log(' Installed successfully.'); console.log('2. Starting Mountebank server...'); // Using `exec` to start mb in the background, ensure --allowInjection for future use cases // and --loglevel debug for better visibility. mbProcess = exec('mb --allowInjection --loglevel debug'); mbProcess.stdout.pipe(process.stdout); mbProcess.stderr.pipe(process.stderr); // Give Mountebank a moment to start up await new Promise(resolve => setTimeout(resolve, 3000)); console.log(' Mountebank server started (admin UI at http://localhost:2525).'); console.log('3. Creating an HTTP imposter...'); await fetch('http://localhost:2525/imposters', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(imposterConfig) }); console.log(' Imposter created on port 4545.'); console.log('4. Testing the mocked service...'); const response = await fetch('http://localhost:4545/test'); const data = await response.json(); assert.equal(response.status, 200, 'Expected status code 200'); assert.deepEqual(data, { message: 'Hello from Mountebank!' }, 'Expected specific mock response'); console.log(' Mocked service responded correctly:', data); } catch (error) { console.error('An error occurred:', error.message); process.exit(1); } finally { if (mbProcess) { console.log('5. Stopping Mountebank server...'); // Terminate the mountebank process gracefully await execPromise('mb stop'); console.log(' Mountebank server stopped.'); } } } runMountebankQuickstart();