```ts

// alitatest2.ts

import { FailoverProxy } from './src/failoverProxy';

import WebSocket from 'isomorphic-ws';

async function simpleWsCloseTest() {

console.log("Starting WebSocket connection and close test...");


// Record the number of WebSocket closes

let closeCount = 0;


// Save the original close method

const originalClose = WebSocket.prototype.close;


// Replace close method for monitoring

WebSocket.prototype.close = function(code?: number, data?: string | Buffer) {

closeCount++;

console.log(`WebSocket close call #${closeCount}`);

return originalClose.call(this, code, data);

};


try {

// Create proxy

const proxy = new FailoverProxy('https://chronik.e.cash');

// Directly call private method (for test purposes only)

// @ts-ignore - Ignore TypeScript warning about accessing private property

const result = await proxy._websocketUrlConnects('wss://chronik.e.cash/ws');


console.log(`Connection result: ${result ? 'success' : 'failure'}`);

console.log(`Total WebSocket.close() calls: ${closeCount}`);


} catch (error) {

console.error('Test error:', error);

} finally {

WebSocket.prototype.close = originalClose;

console.log("Test completed, closing ws");

}

}

simpleWsCloseTest();