1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import * as net from "node:net";
import { assert, assertEquals } from "@std/assert/mod.ts";
import * as path from "@std/path/mod.ts";
import * as http from "node:http";
Deno.test("[node/net] close event emits after error event", async () => {
const socket = net.createConnection(27009, "doesnotexist");
const events: ("error" | "close")[] = [];
const errorEmitted = Promise.withResolvers<void>();
const closeEmitted = Promise.withResolvers<void>();
socket.once("error", () => {
events.push("error");
errorEmitted.resolve();
});
socket.once("close", () => {
events.push("close");
closeEmitted.resolve();
});
await Promise.all([errorEmitted.promise, closeEmitted.promise]);
// `error` happens before `close`
assertEquals(events, ["error", "close"]);
});
Deno.test("[node/net] the port is available immediately after close callback", async () => {
const deferred = Promise.withResolvers<void>();
// This simulates what get-port@5.1.1 does.
const getAvailablePort = (port: number) =>
new Promise((resolve, reject) => {
const server = net.createServer();
server.on("error", reject);
server.listen({ port }, () => {
// deno-lint-ignore no-explicit-any
const { port } = server.address() as any;
server.close(() => {
resolve(port);
});
});
});
const port = await getAvailablePort(5555);
const httpServer = http.createServer();
httpServer.on("error", (e) => deferred.reject(e));
httpServer.listen(port, () => {
httpServer.close(() => deferred.resolve());
});
await deferred.promise;
});
Deno.test("[node/net] net.connect().unref() works", async () => {
const ctl = new AbortController();
const server = Deno.serve({
signal: ctl.signal,
port: 0, // any available port will do
handler: () => new Response("hello"),
onListen: async ({ port, hostname }) => {
const { stdout, stderr } = await new Deno.Command(Deno.execPath(), {
args: [
"eval",
`
import * as net from "node:net";
const socket = net.connect(${port}, "${hostname}", () => {
console.log("connected");
socket.unref();
socket.on("data", (data) => console.log(data.toString()));
socket.write("GET / HTTP/1.1\\n\\n");
});
`,
],
cwd: path.dirname(path.fromFileUrl(import.meta.url)),
}).output();
if (stderr.length > 0) {
console.log(new TextDecoder().decode(stderr));
}
assertEquals(new TextDecoder().decode(stdout), "connected\n");
ctl.abort();
},
});
await server.finished;
});
Deno.test({
name: "[node/net] throws permission error instead of unknown error",
permissions: "none",
fn: () => {
try {
const s = new net.Server();
s.listen(3000);
} catch (e) {
assert(e instanceof Deno.errors.PermissionDenied);
}
},
});
Deno.test("[node/net] connection event has socket value", async () => {
const deferred = Promise.withResolvers<void>();
const deferred2 = Promise.withResolvers<void>();
const server = net.createServer();
server.on("error", deferred.reject);
server.on("connection", (socket) => {
assert(socket !== undefined);
socket.end();
server.close(() => {
deferred.resolve();
});
});
server.listen(async () => {
// deno-lint-ignore no-explicit-any
const { port } = server.address() as any;
const conn = await Deno.connect({
port,
transport: "tcp",
});
for await (const _ of conn.readable) {
//
}
deferred2.resolve();
});
await Promise.all([deferred.promise, deferred2.promise]);
});
/// We need to make sure that any shared buffers are never used concurrently by two reads.
// https://github.com/denoland/deno/issues/20188
Deno.test("[node/net] multiple Sockets should get correct server data", async () => {
const socketCount = 9;
class TestSocket {
dataReceived: ReturnType<typeof Promise.withResolvers<void>> = Promise
.withResolvers<void>();
events: string[] = [];
socket: net.Socket | undefined;
}
const finished = Promise.withResolvers<void>();
const serverSocketsClosed: ReturnType<typeof Promise.withResolvers<void>>[] =
[];
const server = net.createServer();
server.on("connection", (socket) => {
assert(socket !== undefined);
const i = serverSocketsClosed.push(Promise.withResolvers<void>());
socket.on("data", (data) => {
socket.write(new TextDecoder().decode(data));
});
socket.on("close", () => {
serverSocketsClosed[i - 1].resolve();
});
});
const sockets: TestSocket[] = [];
for (let i = 0; i < socketCount; i++) {
sockets[i] = new TestSocket();
}
server.listen(async () => {
// deno-lint-ignore no-explicit-any
const { port } = server.address() as any;
for (let i = 0; i < socketCount; i++) {
const socket = sockets[i].socket = net.createConnection(port);
socket.on("data", (data) => {
const count = sockets[i].events.length;
sockets[i].events.push(new TextDecoder().decode(data));
if (count === 0) {
// Trigger an immediate second write
sockets[i].socket?.write(`${i}`.repeat(3));
} else {
sockets[i].dataReceived.resolve();
}
});
}
for (let i = 0; i < socketCount; i++) {
sockets[i].socket?.write(`${i}`.repeat(3));
}
await Promise.all(sockets.map((socket) => socket.dataReceived.promise));
for (let i = 0; i < socketCount; i++) {
sockets[i].socket?.end();
}
server.close(() => {
finished.resolve();
});
});
await finished.promise;
await Promise.all(serverSocketsClosed.map(({ promise }) => promise));
for (let i = 0; i < socketCount; i++) {
assertEquals(sockets[i].events, [`${i}`.repeat(3), `${i}`.repeat(3)]);
}
});
|
