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code-server/packages/protocol/test/fs.test.ts
Asher dc2253e718 Refactor evaluations (#285) 
* Replace evaluations with proxies and messages

* Return proxies synchronously

Otherwise events can be lost.

* Ensure events cannot be missed

* Refactor remaining fills

* Use more up-to-date version of util

For callbackify.

* Wait for dispose to come back before removing

This prevents issues with the "done" event not always being the last
event fired. For example a socket might close and then end, but only
if the caller called end.

* Remove old node-pty tests

* Fix emitting events twice on duplex streams

* Preserve environment when spawning processes

* Throw a better error if the proxy doesn't exist

* Remove rimraf dependency from ide

* Update net.Server.listening

* Use exit event instead of killed

Doesn't look like killed is even a thing.

* Add response timeout to server

* Fix trash

* Require node-pty & spdlog after they get unpackaged

This fixes an error when running in the binary.

* Fix errors in down emitter preventing reconnecting

* Fix disposing proxies when nothing listens to "error" event

* Refactor event tests to use jest.fn()

* Reject proxy call when disconnected

Otherwise it'll wait for the timeout which is a waste of time since we
already know the connection is dead.

* Use nbin for binary packaging

* Remove additional module requires

* Attempt to remove require for local bootstrap-fork

* Externalize fsevents
2019-03-26 13:01:25 -05:00

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import * as nativeFs from "fs";
import * as path from "path";
import * as util from "util";
import { Module } from "../src/common/proxy";
import { createClient, Helper } from "./helpers";
describe("fs", () => {
const client = createClient();
// tslint:disable-next-line no-any
const fs = client.modules[Module.Fs] as any as typeof import("fs");
const helper = new Helper("fs");
beforeAll(async () => {
await helper.prepare();
});
describe("access", () => {
it("should access existing file", async () => {
await expect(util.promisify(fs.access)(__filename))
.resolves.toBeUndefined();
});
it("should fail to access nonexistent file", async () => {
await expect(util.promisify(fs.access)(helper.tmpFile()))
.rejects.toThrow("ENOENT");
});
});
describe("append", () => {
it("should append to existing file", async () => {
const file = await helper.createTmpFile();
await expect(util.promisify(fs.appendFile)(file, "howdy"))
.resolves.toBeUndefined();
expect(await util.promisify(nativeFs.readFile)(file, "utf8"))
.toEqual("howdy");
});
it("should create then append to nonexistent file", async () => {
const file = helper.tmpFile();
await expect(util.promisify(fs.appendFile)(file, "howdy"))
.resolves.toBeUndefined();
expect(await util.promisify(nativeFs.readFile)(file, "utf8"))
.toEqual("howdy");
});
it("should fail to append to file in nonexistent directory", async () => {
const file = path.join(helper.tmpFile(), "nope");
await expect(util.promisify(fs.appendFile)(file, "howdy"))
.rejects.toThrow("ENOENT");
expect(await util.promisify(nativeFs.exists)(file))
.toEqual(false);
});
});
describe("chmod", () => {
it("should chmod existing file", async () => {
const file = await helper.createTmpFile();
await expect(util.promisify(fs.chmod)(file, "755"))
.resolves.toBeUndefined();
});
it("should fail to chmod nonexistent file", async () => {
await expect(util.promisify(fs.chmod)(helper.tmpFile(), "755"))
.rejects.toThrow("ENOENT");
});
});
describe("chown", () => {
it("should chown existing file", async () => {
const file = await helper.createTmpFile();
await expect(util.promisify(fs.chown)(file, 1, 1))
.resolves.toBeUndefined();
});
it("should fail to chown nonexistent file", async () => {
await expect(util.promisify(fs.chown)(helper.tmpFile(), 1, 1))
.rejects.toThrow("ENOENT");
});
});
describe("close", () => {
it("should close opened file", async () => {
const file = await helper.createTmpFile();
const fd = await util.promisify(nativeFs.open)(file, "r");
await expect(util.promisify(fs.close)(fd))
.resolves.toBeUndefined();
});
it("should fail to close non-opened file", async () => {
await expect(util.promisify(fs.close)(99999999))
.rejects.toThrow("EBADF");
});
});
describe("copyFile", () => {
it("should copy existing file", async () => {
const source = await helper.createTmpFile();
const destination = helper.tmpFile();
await expect(util.promisify(fs.copyFile)(source, destination))
.resolves.toBeUndefined();
await expect(util.promisify(fs.exists)(destination))
.resolves.toBe(true);
});
it("should fail to copy nonexistent file", async () => {
await expect(util.promisify(fs.copyFile)(helper.tmpFile(), helper.tmpFile()))
.rejects.toThrow("ENOENT");
});
});
describe("createWriteStream", () => {
it("should write to file", async () => {
const file = helper.tmpFile();
const content = "howdy\nhow\nr\nu";
const stream = fs.createWriteStream(file);
stream.on("open", (fd) => {
expect(fd).toBeDefined();
stream.write(content);
stream.close();
stream.end();
});
await Promise.all([
new Promise((resolve): nativeFs.WriteStream => stream.on("close", resolve)),
new Promise((resolve): nativeFs.WriteStream => stream.on("finish", resolve)),
]);
await expect(util.promisify(nativeFs.readFile)(file, "utf8")).resolves.toBe(content);
});
});
describe("exists", () => {
it("should output file exists", async () => {
await expect(util.promisify(fs.exists)(__filename))
.resolves.toBe(true);
});
it("should output file does not exist", async () => {
await expect(util.promisify(fs.exists)(helper.tmpFile()))
.resolves.toBe(false);
});
});
describe("fchmod", () => {
it("should fchmod existing file", async () => {
const file = await helper.createTmpFile();
const fd = await util.promisify(nativeFs.open)(file, "r");
await expect(util.promisify(fs.fchmod)(fd, "755"))
.resolves.toBeUndefined();
await util.promisify(nativeFs.close)(fd);
});
it("should fail to fchmod nonexistent file", async () => {
await expect(util.promisify(fs.fchmod)(2242342, "755"))
.rejects.toThrow("EBADF");
});
});
describe("fchown", () => {
it("should fchown existing file", async () => {
const file = await helper.createTmpFile();
const fd = await util.promisify(nativeFs.open)(file, "r");
await expect(util.promisify(fs.fchown)(fd, 1, 1))
.resolves.toBeUndefined();
await util.promisify(nativeFs.close)(fd);
});
it("should fail to fchown nonexistent file", async () => {
await expect(util.promisify(fs.fchown)(99999, 1, 1))
.rejects.toThrow("EBADF");
});
});
describe("fdatasync", () => {
it("should fdatasync existing file", async () => {
const file = await helper.createTmpFile();
const fd = await util.promisify(nativeFs.open)(file, "r");
await expect(util.promisify(fs.fdatasync)(fd))
.resolves.toBeUndefined();
await util.promisify(nativeFs.close)(fd);
});
it("should fail to fdatasync nonexistent file", async () => {
await expect(util.promisify(fs.fdatasync)(99999))
.rejects.toThrow("EBADF");
});
});
describe("fstat", () => {
it("should fstat existing file", async () => {
const fd = await util.promisify(nativeFs.open)(__filename, "r");
const stat = await util.promisify(nativeFs.fstat)(fd);
await expect(util.promisify(fs.fstat)(fd))
.resolves.toMatchObject({
size: stat.size,
});
await util.promisify(nativeFs.close)(fd);
});
it("should fail to fstat", async () => {
await expect(util.promisify(fs.fstat)(9999))
.rejects.toThrow("EBADF");
});
});
describe("fsync", () => {
it("should fsync existing file", async () => {
const file = await helper.createTmpFile();
const fd = await util.promisify(nativeFs.open)(file, "r");
await expect(util.promisify(fs.fsync)(fd))
.resolves.toBeUndefined();
await util.promisify(nativeFs.close)(fd);
});
it("should fail to fsync nonexistent file", async () => {
await expect(util.promisify(fs.fsync)(99999))
.rejects.toThrow("EBADF");
});
});
describe("ftruncate", () => {
it("should ftruncate existing file", async () => {
const file = await helper.createTmpFile();
const fd = await util.promisify(nativeFs.open)(file, "w");
await expect(util.promisify(fs.ftruncate)(fd, 1))
.resolves.toBeUndefined();
await util.promisify(nativeFs.close)(fd);
});
it("should fail to ftruncate nonexistent file", async () => {
await expect(util.promisify(fs.ftruncate)(99999, 9999))
.rejects.toThrow("EBADF");
});
});
describe("futimes", () => {
it("should futimes existing file", async () => {
const file = await helper.createTmpFile();
const fd = await util.promisify(nativeFs.open)(file, "w");
await expect(util.promisify(fs.futimes)(fd, 1, 1))
.resolves.toBeUndefined();
await util.promisify(nativeFs.close)(fd);
});
it("should fail to futimes nonexistent file", async () => {
await expect(util.promisify(fs.futimes)(99999, 9999, 9999))
.rejects.toThrow("EBADF");
});
});
describe("lchmod", () => {
it("should lchmod existing file", async () => {
const file = await helper.createTmpFile();
await expect(util.promisify(fs.lchmod)(file, "755"))
.resolves.toBeUndefined();
});
// TODO: Doesn't fail on my system?
it("should fail to lchmod nonexistent file", async () => {
await expect(util.promisify(fs.lchmod)(helper.tmpFile(), "755"))
.resolves.toBeUndefined();
});
});
describe("lchown", () => {
it("should lchown existing file", async () => {
const file = await helper.createTmpFile();
await expect(util.promisify(fs.lchown)(file, 1, 1))
.resolves.toBeUndefined();
});
// TODO: Doesn't fail on my system?
it("should fail to lchown nonexistent file", async () => {
await expect(util.promisify(fs.lchown)(helper.tmpFile(), 1, 1))
.resolves.toBeUndefined();
});
});
describe("link", () => {
it("should link existing file", async () => {
const source = await helper.createTmpFile();
const destination = helper.tmpFile();
await expect(util.promisify(fs.link)(source, destination))
.resolves.toBeUndefined();
await expect(util.promisify(fs.exists)(destination))
.resolves.toBe(true);
});
it("should fail to link nonexistent file", async () => {
await expect(util.promisify(fs.link)(helper.tmpFile(), helper.tmpFile()))
.rejects.toThrow("ENOENT");
});
});
describe("lstat", () => {
it("should lstat existing file", async () => {
const stat = await util.promisify(nativeFs.lstat)(__filename);
await expect(util.promisify(fs.lstat)(__filename))
.resolves.toMatchObject({
size: stat.size,
});
});
it("should fail to lstat non-existent file", async () => {
await expect(util.promisify(fs.lstat)(helper.tmpFile()))
.rejects.toThrow("ENOENT");
});
});
describe("mkdir", () => {
let target: string;
it("should create nonexistent directory", async () => {
target = helper.tmpFile();
await expect(util.promisify(fs.mkdir)(target))
.resolves.toBeUndefined();
});
it("should fail to create existing directory", async () => {
await expect(util.promisify(fs.mkdir)(target))
.rejects.toThrow("EEXIST");
});
});
describe("mkdtemp", () => {
it("should create temp dir", async () => {
await expect(util.promisify(fs.mkdtemp)(helper.coderDir + "/"))
.resolves.toMatch(/^\/tmp\/coder\/fs\/[a-zA-Z0-9]{6}/);
});
});
describe("open", () => {
it("should open existing file", async () => {
const fd = await util.promisify(fs.open)(__filename, "r");
expect(fd).not.toBeNaN();
await expect(util.promisify(fs.close)(fd))
.resolves.toBeUndefined();
});
it("should fail to open nonexistent file", async () => {
await expect(util.promisify(fs.open)(helper.tmpFile(), "r"))
.rejects.toThrow("ENOENT");
});
});
describe("read", () => {
it("should read existing file", async () => {
const fd = await util.promisify(nativeFs.open)(__filename, "r");
const stat = await util.promisify(nativeFs.fstat)(fd);
const buffer = new Buffer(stat.size);
let bytesRead = 0;
let chunkSize = 2048;
while (bytesRead < stat.size) {
if ((bytesRead + chunkSize) > stat.size) {
chunkSize = stat.size - bytesRead;
}
await util.promisify(fs.read)(fd, buffer, bytesRead, chunkSize, bytesRead);
bytesRead += chunkSize;
}
const content = await util.promisify(nativeFs.readFile)(__filename, "utf8");
expect(buffer.toString()).toEqual(content);
await util.promisify(nativeFs.close)(fd);
});
it("should fail to read nonexistent file", async () => {
await expect(util.promisify(fs.read)(99999, new Buffer(10), 9999, 999, 999))
.rejects.toThrow("EBADF");
});
});
describe("readFile", () => {
it("should read existing file", async () => {
const content = await util.promisify(nativeFs.readFile)(__filename, "utf8");
await expect(util.promisify(fs.readFile)(__filename, "utf8"))
.resolves.toEqual(content);
});
it("should fail to read nonexistent file", async () => {
await expect(util.promisify(fs.readFile)(helper.tmpFile()))
.rejects.toThrow("ENOENT");
});
});
describe("readdir", () => {
it("should read existing directory", async () => {
const paths = await util.promisify(nativeFs.readdir)(helper.coderDir);
await expect(util.promisify(fs.readdir)(helper.coderDir))
.resolves.toEqual(paths);
});
it("should fail to read nonexistent directory", async () => {
await expect(util.promisify(fs.readdir)(helper.tmpFile()))
.rejects.toThrow("ENOENT");
});
});
describe("readlink", () => {
it("should read existing link", async () => {
const source = await helper.createTmpFile();
const destination = helper.tmpFile();
await util.promisify(nativeFs.symlink)(source, destination);
await expect(util.promisify(fs.readlink)(destination))
.resolves.toBe(source);
});
it("should fail to read nonexistent link", async () => {
await expect(util.promisify(fs.readlink)(helper.tmpFile()))
.rejects.toThrow("ENOENT");
});
});
describe("realpath", () => {
it("should read real path of existing file", async () => {
const source = await helper.createTmpFile();
const destination = helper.tmpFile();
nativeFs.symlinkSync(source, destination);
await expect(util.promisify(fs.realpath)(destination))
.resolves.toBe(source);
});
it("should fail to read real path of nonexistent file", async () => {
await expect(util.promisify(fs.realpath)(helper.tmpFile()))
.rejects.toThrow("ENOENT");
});
});
describe("rename", () => {
it("should rename existing file", async () => {
const source = await helper.createTmpFile();
const destination = helper.tmpFile();
await expect(util.promisify(fs.rename)(source, destination))
.resolves.toBeUndefined();
await expect(util.promisify(nativeFs.exists)(source))
.resolves.toBe(false);
await expect(util.promisify(nativeFs.exists)(destination))
.resolves.toBe(true);
});
it("should fail to rename nonexistent file", async () => {
await expect(util.promisify(fs.rename)(helper.tmpFile(), helper.tmpFile()))
.rejects.toThrow("ENOENT");
});
});
describe("rmdir", () => {
it("should rmdir existing directory", async () => {
const dir = helper.tmpFile();
await util.promisify(nativeFs.mkdir)(dir);
await expect(util.promisify(fs.rmdir)(dir))
.resolves.toBeUndefined();
await expect(util.promisify(nativeFs.exists)(dir))
.resolves.toBe(false);
});
it("should fail to rmdir nonexistent directory", async () => {
await expect(util.promisify(fs.rmdir)(helper.tmpFile()))
.rejects.toThrow("ENOENT");
});
});
describe("stat", () => {
it("should stat existing file", async () => {
const nativeStat = await util.promisify(nativeFs.stat)(__filename);
const stat = await util.promisify(fs.stat)(__filename);
expect(stat).toMatchObject({
size: nativeStat.size,
});
expect(stat.isFile()).toBe(true);
});
it("should stat existing folder", async () => {
const dir = helper.tmpFile();
await util.promisify(nativeFs.mkdir)(dir);
const nativeStat = await util.promisify(nativeFs.stat)(dir);
const stat = await util.promisify(fs.stat)(dir);
expect(stat).toMatchObject({
size: nativeStat.size,
});
expect(stat.isDirectory()).toBe(true);
});
it("should fail to stat nonexistent file", async () => {
const error = await util.promisify(fs.stat)(helper.tmpFile()).catch((e) => e);
expect(error.message).toContain("ENOENT");
expect(error.code).toBe("ENOENT");
});
});
describe("symlink", () => {
it("should symlink existing file", async () => {
const source = await helper.createTmpFile();
const destination = helper.tmpFile();
await expect(util.promisify(fs.symlink)(source, destination))
.resolves.toBeUndefined();
expect(util.promisify(nativeFs.exists)(source))
.resolves.toBe(true);
});
// TODO: Seems to be happy to do this on my system?
it("should fail to symlink nonexistent file", async () => {
await expect(util.promisify(fs.symlink)(helper.tmpFile(), helper.tmpFile()))
.resolves.toBeUndefined();
});
});
describe("truncate", () => {
it("should truncate existing file", async () => {
const file = helper.tmpFile();
await util.promisify(nativeFs.writeFile)(file, "hiiiiii");
await expect(util.promisify(fs.truncate)(file, 2))
.resolves.toBeUndefined();
await expect(util.promisify(nativeFs.readFile)(file, "utf8"))
.resolves.toBe("hi");
});
it("should fail to truncate nonexistent file", async () => {
await expect(util.promisify(fs.truncate)(helper.tmpFile(), 0))
.rejects.toThrow("ENOENT");
});
});
describe("unlink", () => {
it("should unlink existing file", async () => {
const file = await helper.createTmpFile();
await expect(util.promisify(fs.unlink)(file))
.resolves.toBeUndefined();
expect(util.promisify(nativeFs.exists)(file))
.resolves.toBe(false);
});
it("should fail to unlink nonexistent file", async () => {
await expect(util.promisify(fs.unlink)(helper.tmpFile()))
.rejects.toThrow("ENOENT");
});
});
describe("utimes", () => {
it("should update times on existing file", async () => {
const file = await helper.createTmpFile();
await expect(util.promisify(fs.utimes)(file, 100, 100))
.resolves.toBeUndefined();
});
it("should fail to update times on nonexistent file", async () => {
await expect(util.promisify(fs.utimes)(helper.tmpFile(), 100, 100))
.rejects.toThrow("ENOENT");
});
});
describe("write", () => {
it("should write to existing file", async () => {
const file = await helper.createTmpFile();
const fd = await util.promisify(nativeFs.open)(file, "w");
await expect(util.promisify(fs.write)(fd, Buffer.from("hi")))
.resolves.toBe(2);
await expect(util.promisify(nativeFs.readFile)(file, "utf8"))
.resolves.toBe("hi");
await util.promisify(nativeFs.close)(fd);
});
it("should fail to write to nonexistent file", async () => {
await expect(util.promisify(fs.write)(100000, Buffer.from("wowow")))
.rejects.toThrow("EBADF");
});
});
describe("writeFile", () => {
it("should write file", async () => {
const file = await helper.createTmpFile();
await expect(util.promisify(fs.writeFile)(file, "howdy"))
.resolves.toBeUndefined();
await expect(util.promisify(nativeFs.readFile)(file, "utf8"))
.resolves.toBe("howdy");
});
});
it("should dispose", () => {
client.dispose();
});
});
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