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'use strict';
const common = require('../common');
const net = require('net');
const assert = require('assert');
const server = net.createServer();
const { getEventListeners, once } = require('events');
const liveConnections = new Set();
server.listen(0, common.mustCall(async () => {
const port = server.address().port;
const host = 'localhost';
const socketOptions = (signal) => ({ port, host, signal });
server.on('connection', (connection) => {
liveConnections.add(connection);
connection.on('close', () => {
liveConnections.delete(connection);
});
});
const assertAbort = async (socket, testName) => {
try {
await once(socket, 'close');
assert.fail(`close ${testName} should have thrown`);
} catch (err) {
assert.strictEqual(err.name, 'AbortError');
}
};
async function postAbort() {
const ac = new AbortController();
const { signal } = ac;
const socket = net.connect(socketOptions(signal));
assert.strictEqual(getEventListeners(signal, 'abort').length, 1);
ac.abort();
await assertAbort(socket, 'postAbort');
}
async function preAbort() {
const ac = new AbortController();
const { signal } = ac;
ac.abort();
const socket = net.connect(socketOptions(signal));
assert.strictEqual(getEventListeners(signal, 'abort').length, 0);
await assertAbort(socket, 'preAbort');
}
async function tickAbort() {
const ac = new AbortController();
const { signal } = ac;
setImmediate(() => ac.abort());
const socket = net.connect(socketOptions(signal));
assert.strictEqual(getEventListeners(signal, 'abort').length, 1);
await assertAbort(socket, 'tickAbort');
}
async function testConstructor() {
const ac = new AbortController();
const { signal } = ac;
ac.abort();
const socket = new net.Socket(socketOptions(signal));
assert.strictEqual(getEventListeners(signal, 'abort').length, 0);
await assertAbort(socket, 'testConstructor');
}
async function testConstructorPost() {
const ac = new AbortController();
const { signal } = ac;
const socket = new net.Socket(socketOptions(signal));
assert.strictEqual(getEventListeners(signal, 'abort').length, 1);
ac.abort();
await assertAbort(socket, 'testConstructorPost');
}
async function testConstructorPostTick() {
const ac = new AbortController();
const { signal } = ac;
const socket = new net.Socket(socketOptions(signal));
assert.strictEqual(getEventListeners(signal, 'abort').length, 1);
setImmediate(() => ac.abort());
await assertAbort(socket, 'testConstructorPostTick');
}
await postAbort();
await preAbort();
await tickAbort();
await testConstructor();
await testConstructorPost();
await testConstructorPostTick();
// Killing the net.socket without connecting hangs the server.
for (const connection of liveConnections) {
connection.destroy();
}
server.close(common.mustCall());
}));
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