100 lines
2.8 KiB
TypeScript
100 lines
2.8 KiB
TypeScript
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import { IPty } from "node-pty";
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import { createClient } from "@coder/protocol/test";
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const client = createClient();
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jest.mock("../../ide/src/fill/client", () => ({ client }));
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const pty = require("../src/fill/node-pty") as typeof import("node-pty");
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describe("node-pty", () => {
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/**
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* Returns a function that when called returns a promise that resolves with
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* the next chunk of data from the process.
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*/
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const promisifyData = (proc: IPty): (() => Promise<string>) => {
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// Use a persistent callback instead of creating it in the promise since
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// otherwise we could lose data that comes in while no promise is listening.
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let onData: (() => void) | undefined;
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let buffer: string | undefined;
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proc.on("data", (data) => {
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// Remove everything that isn't a letter, number, or $ to avoid issues
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// with ANSI escape codes printing inside the test output.
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buffer = (buffer || "") + data.toString().replace(/[^a-zA-Z0-9$]/g, "");
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if (onData) {
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onData();
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}
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});
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return (): Promise<string> => new Promise((resolve): void => {
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onData = (): void => {
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if (typeof buffer !== "undefined") {
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const data = buffer;
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buffer = undefined;
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onData = undefined;
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resolve(data);
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}
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};
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onData();
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});
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};
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it("should create shell", async () => {
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// Setting the config file to something that shouldn't exist so the test
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// isn't affected by custom configuration.
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const proc = pty.spawn("/bin/bash", ["--rcfile", "/tmp/test/nope/should/not/exist"], {
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cols: 100,
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rows: 10,
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});
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const getData = promisifyData(proc);
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// First it outputs @hostname:cwd
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expect((await getData()).length).toBeGreaterThan(1);
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// Then it seems to overwrite that with a shorter prompt in the format of
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// [hostname@user]$
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expect((await getData())).toContain("$");
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proc.kill();
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await new Promise((resolve): void => {
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proc.on("exit", resolve);
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});
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});
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it("should resize", async () => {
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// Requires the `tput lines` cmd to be available.
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// Setting the config file to something that shouldn't exist so the test
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// isn't affected by custom configuration.
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const proc = pty.spawn("/bin/bash", ["--rcfile", "/tmp/test/nope/should/not/exist"], {
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cols: 10,
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rows: 10,
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});
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const getData = promisifyData(proc);
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// We've already tested these first two bits of output; see shell test.
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await getData();
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await getData();
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proc.write("tput lines\n");
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expect(await getData()).toContain("tput");
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expect((await getData()).trim()).toContain("10");
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proc.resize(10, 50);
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// The prompt again.
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await getData();
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await getData();
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proc.write("tput lines\n");
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expect(await getData()).toContain("tput");
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expect((await getData())).toContain("50");
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proc.kill();
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await new Promise((resolve): void => {
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proc.on("exit", resolve);
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});
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});
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});
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