mockserver-client

import { mockServerClient, HttpRequest, HttpResponse, Expectation } from 'mockserver-client'; const host = 'localhost'; const port = 1080; const client = mockServerClient(host, port); async function setupAndVerifyMocks() { try { // Ensure a clean slate before setting new expectations await client.reset(); console.log('MockServer reset to clear previous expectations.'); // 1. Set up a simple expectation for a GET request const simpleRequest: HttpRequest = { method: 'GET', path: '/api/users/123', }; const simpleResponse: HttpResponse = { statusCode: 200, body: JSON.stringify({ id: 123, name: 'Jane Doe' }), headers: [{ name: 'Content-Type', values: ['application/json'] }], }; await client.mockSimpleResponse(simpleRequest.path, simpleResponse.body, simpleResponse.statusCode); console.log('Simple GET expectation set for /api/users/123.'); // 2. Set up a more complex expectation for a POST request with specific body matching const complexExpectation: Expectation = { httpRequest: { method: 'POST', path: '/api/orders', body: { type: 'JSON', json: { productId: 'P456', quantity: 2 }, matchType: 'STRICT', }, }, httpResponse: { statusCode: 201, body: JSON.stringify({ orderId: 'ORD789', status: 'created' }), delay: { timeUnit: 'MILLISECONDS', value: 100 }, }, times: { remainingTimes: 1 }, // This expectation will only be matched once }; await client.mockAnyResponse(complexExpectation); console.log('Complex POST expectation set for /api/orders.'); // In a real testing scenario, you would now make HTTP requests via your application // which would hit the MockServer based on the configured expectations. // Example: Verify that a specific request was made to the mock server // (This step would typically follow the actual application calls). await client.verify(simpleRequest, 1); // Verify /api/users/123 was called once console.log('Verified that /api/users/123 was called once.'); // Clean up specific expectations await client.clear({ path: '/api/users/123' }); await client.clear({ path: '/api/orders' }); console.log('Specific expectations cleared.'); } catch (error: any) { console.error('An error occurred during MockServer interaction:', error); if (error.code === 'ECONNREFUSED') { console.error(`ERROR: MockServer is likely not running or inaccessible at ${host}:${port}.`); console.error('Please ensure MockServer is started, for example, using ' + '`npm install -g mockserver-node` and then `mockserver-node -p 1080`.'); } } } setupAndVerifyMocks();