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| Current File : //proc/self/root/home/ubuntu/node-v16.18.1/test/parallel/test-http2-client-destroy.js |
// Flags: --expose-internals
'use strict';
const common = require('../common');
if (!common.hasCrypto)
common.skip('missing crypto');
const assert = require('assert');
const h2 = require('http2');
const { kSocket } = require('internal/http2/util');
const Countdown = require('../common/countdown');
const { getEventListeners } = require('events');
{
const server = h2.createServer();
server.listen(0, common.mustCall(() => {
const destroyCallbacks = [
(client) => client.destroy(),
(client) => client[kSocket].destroy(),
];
const countdown = new Countdown(destroyCallbacks.length, () => {
server.close();
});
destroyCallbacks.forEach((destroyCallback) => {
const client = h2.connect(`http://localhost:${server.address().port}`);
client.on('connect', common.mustCall(() => {
const socket = client[kSocket];
assert(socket, 'client session has associated socket');
assert(
!client.destroyed,
'client has not been destroyed before destroy is called'
);
assert(
!socket.destroyed,
'socket has not been destroyed before destroy is called'
);
destroyCallback(client);
client.on('close', common.mustCall(() => {
assert(client.destroyed);
}));
countdown.dec();
}));
});
}));
}
// Test destroy before client operations
{
const server = h2.createServer();
server.listen(0, common.mustCall(() => {
const client = h2.connect(`http://localhost:${server.address().port}`);
const socket = client[kSocket];
socket.on('close', common.mustCall(() => {
assert(socket.destroyed);
}));
const req = client.request();
req.on('error', common.expectsError({
code: 'ERR_HTTP2_STREAM_CANCEL',
name: 'Error',
message: 'The pending stream has been canceled'
}));
client.destroy();
req.on('response', common.mustNotCall());
const sessionError = {
name: 'Error',
code: 'ERR_HTTP2_INVALID_SESSION',
message: 'The session has been destroyed'
};
assert.throws(() => client.setNextStreamID(), sessionError);
assert.throws(() => client.setLocalWindowSize(), sessionError);
assert.throws(() => client.ping(), sessionError);
assert.throws(() => client.settings({}), sessionError);
assert.throws(() => client.goaway(), sessionError);
assert.throws(() => client.request(), sessionError);
client.close(); // Should be a non-op at this point
// Wait for setImmediate call from destroy() to complete
// so that state.destroyed is set to true
setImmediate(() => {
assert.throws(() => client.setNextStreamID(), sessionError);
assert.throws(() => client.setLocalWindowSize(), sessionError);
assert.throws(() => client.ping(), sessionError);
assert.throws(() => client.settings({}), sessionError);
assert.throws(() => client.goaway(), sessionError);
assert.throws(() => client.request(), sessionError);
client.close(); // Should be a non-op at this point
});
req.resume();
req.on('end', common.mustNotCall());
req.on('close', common.mustCall(() => server.close()));
}));
}
// Test destroy before goaway
{
const server = h2.createServer();
server.on('stream', common.mustCall((stream) => {
stream.session.destroy();
}));
server.listen(0, common.mustCall(() => {
const client = h2.connect(`http://localhost:${server.address().port}`);
client.on('close', () => {
server.close();
// Calling destroy in here should not matter
client.destroy();
});
client.request();
}));
}
// Test destroy before connect
{
const server = h2.createServer();
server.on('stream', common.mustNotCall());
server.listen(0, common.mustCall(() => {
const client = h2.connect(`http://localhost:${server.address().port}`);
server.on('connection', common.mustCall(() => {
server.close();
client.close();
}));
const req = client.request();
req.destroy();
}));
}
// Test close before connect
{
const server = h2.createServer();
server.on('stream', common.mustNotCall());
server.listen(0, common.mustCall(() => {
const client = h2.connect(`http://localhost:${server.address().port}`);
client.on('close', common.mustCall());
const socket = client[kSocket];
socket.on('close', common.mustCall(() => {
assert(socket.destroyed);
}));
const req = client.request();
// Should throw goaway error
req.on('error', common.expectsError({
code: 'ERR_HTTP2_GOAWAY_SESSION',
name: 'Error',
message: 'New streams cannot be created after receiving a GOAWAY'
}));
client.close();
req.resume();
req.on('end', common.mustCall());
req.on('close', common.mustCall(() => server.close()));
}));
}
// Destroy with AbortSignal
{
const server = h2.createServer();
const controller = new AbortController();
server.on('stream', common.mustNotCall());
server.listen(0, common.mustCall(() => {
const client = h2.connect(`http://localhost:${server.address().port}`);
client.on('close', common.mustCall());
const { signal } = controller;
assert.strictEqual(getEventListeners(signal, 'abort').length, 0);
client.on('error', common.mustCall(() => {
// After underlying stream dies, signal listener detached
assert.strictEqual(getEventListeners(signal, 'abort').length, 0);
}));
const req = client.request({}, { signal });
req.on('error', common.mustCall((err) => {
assert.strictEqual(err.code, 'ABORT_ERR');
assert.strictEqual(err.name, 'AbortError');
}));
req.on('close', common.mustCall(() => server.close()));
assert.strictEqual(req.aborted, false);
assert.strictEqual(req.destroyed, false);
// Signal listener attached
assert.strictEqual(getEventListeners(signal, 'abort').length, 1);
controller.abort();
assert.strictEqual(req.aborted, false);
assert.strictEqual(req.destroyed, true);
}));
}
// Pass an already destroyed signal to abort immediately.
{
const server = h2.createServer();
const controller = new AbortController();
server.on('stream', common.mustNotCall());
server.listen(0, common.mustCall(() => {
const client = h2.connect(`http://localhost:${server.address().port}`);
client.on('close', common.mustCall());
const { signal } = controller;
controller.abort();
assert.strictEqual(getEventListeners(signal, 'abort').length, 0);
client.on('error', common.mustCall(() => {
// After underlying stream dies, signal listener detached
assert.strictEqual(getEventListeners(signal, 'abort').length, 0);
}));
const req = client.request({}, { signal });
// Signal already aborted, so no event listener attached.
assert.strictEqual(getEventListeners(signal, 'abort').length, 0);
assert.strictEqual(req.aborted, false);
// Destroyed on same tick as request made
assert.strictEqual(req.destroyed, true);
req.on('error', common.mustCall((err) => {
assert.strictEqual(err.code, 'ABORT_ERR');
assert.strictEqual(err.name, 'AbortError');
}));
req.on('close', common.mustCall(() => server.close()));
}));
}
// Destroy ClientHttpSession with AbortSignal
{
function testH2ConnectAbort(secure) {
const server = secure ? h2.createSecureServer() : h2.createServer();
const controller = new AbortController();
server.on('stream', common.mustNotCall());
server.listen(0, common.mustCall(() => {
const { signal } = controller;
const protocol = secure ? 'https' : 'http';
const client = h2.connect(`${protocol}://localhost:${server.address().port}`, {
signal,
});
client.on('close', common.mustCall());
assert.strictEqual(getEventListeners(signal, 'abort').length, 1);
client.on('error', common.mustCall(common.mustCall((err) => {
assert.strictEqual(err.code, 'ABORT_ERR');
assert.strictEqual(err.name, 'AbortError');
})));
const req = client.request({}, {});
assert.strictEqual(getEventListeners(signal, 'abort').length, 1);
req.on('error', common.mustCall((err) => {
assert.strictEqual(err.code, 'ERR_HTTP2_STREAM_CANCEL');
assert.strictEqual(err.name, 'Error');
assert.strictEqual(req.aborted, false);
assert.strictEqual(req.destroyed, true);
}));
req.on('close', common.mustCall(() => server.close()));
assert.strictEqual(req.aborted, false);
assert.strictEqual(req.destroyed, false);
// Signal listener attached
assert.strictEqual(getEventListeners(signal, 'abort').length, 1);
controller.abort();
}));
}
testH2ConnectAbort(false);
testH2ConnectAbort(true);
}
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