code-server/packages/ide/test/net.test.ts

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2019-02-20 06:36:35 +08:00
import * as fs from "fs";
import * as nativeNet from "net";
import * as os from "os";
import * as path from "path";
import * as util from "util";
import * as rimraf from "rimraf";
import { createClient } from "@coder/protocol/test";
const client = createClient();
jest.mock("../src/fill/client", () => ({ client }));
const net = require("../src/fill/net") as typeof import("net");
describe("net", () => {
let i = 0;
const coderDir = path.join(os.tmpdir(), "coder", "net");
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const tmpFile = (): string => path.join(coderDir, `socket.${i++}`);
beforeAll(async () => {
try {
await util.promisify(fs.mkdir)(path.dirname(coderDir));
} catch (error) {
if (error.code !== "EEXIST" && error.code !== "EISDIR") {
throw error;
}
}
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await util.promisify(rimraf)(coderDir);
await util.promisify(fs.mkdir)(coderDir);
});
describe("Socket", () => {
const socketPath = tmpFile();
let server: nativeNet.Server;
beforeAll(async () => {
await new Promise((r): void => {
server = nativeNet.createServer().listen(socketPath, r);
});
});
afterAll(() => {
server.close();
});
it("should connect", async () => {
await new Promise((resolve): void => {
const socket = net.createConnection(socketPath, () => {
socket.end();
socket.addListener("close", () => {
resolve();
});
});
});
await new Promise((resolve): void => {
const socket = new net.Socket();
socket.connect(socketPath, () => {
socket.end();
socket.addListener("close", () => {
resolve();
});
});
});
});
it("should get data", (done) => {
server.once("connection", (socket: nativeNet.Socket) => {
socket.write("hi how r u");
});
const socket = net.createConnection(socketPath);
socket.addListener("data", (data) => {
expect(data.toString()).toEqual("hi how r u");
socket.end();
socket.addListener("close", () => {
done();
});
});
});
it("should send data", (done) => {
const clientSocket = net.createConnection(socketPath);
clientSocket.write(Buffer.from("bananas"));
server.once("connection", (socket: nativeNet.Socket) => {
socket.addListener("data", (data) => {
expect(data.toString()).toEqual("bananas");
socket.end();
clientSocket.addListener("end", () => {
done();
});
});
});
});
});
describe("Server", () => {
it("should listen", (done) => {
const s = net.createServer();
s.on("listening", () => s.close());
s.on("close", () => done());
s.listen(tmpFile());
});
it("should get connection", async () => {
let constructorListener: (() => void) | undefined;
const s = net.createServer(() => {
if (constructorListener) {
constructorListener();
}
});
const socketPath = tmpFile();
s.listen(socketPath);
const makeConnection = async (): Promise<void> => {
net.createConnection(socketPath);
await Promise.all([
new Promise((resolve): void => {
constructorListener = resolve;
}),
new Promise((resolve): void => {
s.once("connection", (socket) => {
socket.destroy();
resolve();
});
}),
]);
};
await makeConnection();
await makeConnection();
s.close();
await new Promise((r): nativeNet.Server => s.on("close", r));
});
});
});