Implement fs module (#3)
* Implements the fs module * Add stats object * Add not implemented to createWriteStream * Update mkdtemp to use tmp dir * Unexport Stats * Add client web socket for commands and restructure
This commit is contained in:
Kyle Carberry
132
packages/protocol/test/command.test.ts
Normal file
132
packages/protocol/test/command.test.ts
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@ -0,0 +1,132 @@
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import * as path from "path";
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import { TextEncoder, TextDecoder } from "text-encoding";
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import { createClient } from "./helpers";
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(<any>global).TextDecoder = TextDecoder;
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(<any>global).TextEncoder = TextEncoder;
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describe("Command", () => {
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const client = createClient();
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it("should execute command and return output", (done) => {
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const proc = client.spawn("echo", ["test"]);
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proc.stdout.on("data", (data) => {
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expect(data).toEqual("test\n");
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});
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proc.on("exit", (code) => {
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done();
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});
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});
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it("should create shell", (done) => {
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const proc = client.spawn("/bin/bash", [], {
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tty: {
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columns: 100,
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rows: 10,
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},
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});
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let first = true;
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proc.stdout.on("data", (data) => {
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if (first) {
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// First piece of data is a welcome msg. Second is the prompt
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first = false;
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return;
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}
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expect(data.toString().endsWith("$ ")).toBeTruthy();
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proc.kill();
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});
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proc.on("exit", () => done());
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});
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it("should cat", (done) => {
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const proc = client.spawn("cat", []);
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expect(proc.pid).toBeUndefined();
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proc.stdout.on("data", (data) => {
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expect(data).toEqual("banana");
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expect(proc.pid).toBeDefined();
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proc.kill();
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});
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proc.on("exit", () => done());
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proc.send("banana");
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proc.stdin.end();
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});
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it("should print env variable", (done) => {
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const proc = client.spawn("env", [], {
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env: { hi: "donkey" },
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});
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proc.stdout.on("data", (data) => {
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expect(data).toEqual("hi=donkey\n");
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done();
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});
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});
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it("should resize", (done) => {
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// Requires the `tput lines` cmd to be available
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const proc = client.spawn("/bin/bash", [], {
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tty: {
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columns: 10,
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rows: 10,
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},
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});
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let output: number = 0; // Number of outputs parsed
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proc.stdout.on("data", (data) => {
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output++;
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if (output === 1) {
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// First is welcome msg
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return;
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}
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if (output === 2) {
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proc.send("tput lines\n");
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return;
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}
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if (output === 3) {
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// Echo of tput lines
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return;
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}
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if (output === 4) {
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expect(data.toString().trim()).toEqual("10");
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proc.resize!({
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columns: 10,
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rows: 50,
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});
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return;
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}
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if (output === 5) {
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// Primpt
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return;
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}
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if (output === 6) {
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proc.send("tput lines\n");
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return;
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}
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if (output === 7) {
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// Echo of tput lines
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return;
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}
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if (output === 8) {
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expect(data.toString().trim()).toEqual("50");
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proc.kill();
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expect(proc.killed).toBeTruthy();
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}
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});
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proc.on("exit", () => done());
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});
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it("should fork", (done) => {
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const proc = client.fork(path.join(__dirname, "forker.js"));
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proc.stdout.on("data", (data) => {
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expect(data).toEqual("test");
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});
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proc.on("exit", () => done());
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});
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});
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58
packages/protocol/test/evaluate.test.ts
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58
packages/protocol/test/evaluate.test.ts
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@ -0,0 +1,58 @@
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import { createClient } from "./helpers";
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describe("Evaluate", () => {
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const client = createClient();
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it("should transfer string", async () => {
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const value = await client.evaluate(function () {
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return "hi";
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});
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expect(value).toEqual("hi");
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}, 100);
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it("should compute from string", async () => {
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const start = "ban\%\$\"``a,,,,asdasd";
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const value = await client.evaluate((a) => {
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return a;
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}, start);
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expect(value).toEqual(start);
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}, 100);
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it("should compute from object", async () => {
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const value = await client.evaluate((arg) => {
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return arg.bananas * 2;
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}, { bananas: 1 });
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expect(value).toEqual(2);
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}, 100);
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it("should transfer object", async () => {
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const value = await client.evaluate(() => {
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return { alpha: "beta" };
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});
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expect(value.alpha).toEqual("beta");
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}, 100);
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it("should require", async () => {
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const value = await client.evaluate(() => {
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const fs = require("fs") as typeof import("fs");
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return Object.keys(fs).filter((f) => f === "readFileSync");
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});
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expect(value[0]).toEqual("readFileSync");
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}, 100);
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it("should resolve with promise", async () => {
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const value = await client.evaluate(async () => {
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await new Promise((r) => setTimeout(r, 100));
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return "donkey";
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});
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expect(value).toEqual("donkey");
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}, 250);
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});
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1
packages/protocol/test/forker.js
Executable file
1
packages/protocol/test/forker.js
Executable file
@ -0,0 +1 @@
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console.log("test");
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28
packages/protocol/test/helpers.ts
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28
packages/protocol/test/helpers.ts
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@ -0,0 +1,28 @@
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import { Emitter } from "@coder/events";
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import { Client } from "../src/browser/client";
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import { Server } from "../src/node/server";
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export const createClient = (): Client => {
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const s2c = new Emitter<Uint8Array | Buffer>();
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const c2s = new Emitter<Uint8Array | Buffer>();
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new Server({
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close: () => undefined,
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onClose: () => undefined,
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onMessage: (cb) => {
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c2s.event((d) => cb(d));
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},
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send: (data) => setTimeout(() => s2c.emit(data), 0),
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});
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const client = new Client({
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close: () => undefined,
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onClose: () => undefined,
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onMessage: (cb) => {
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s2c.event((d) => cb(d));
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},
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send: (data) => setTimeout(() => c2s.emit(data), 0),
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});
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return client;
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};
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643
packages/protocol/test/modules/fs.test.ts
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643
packages/protocol/test/modules/fs.test.ts
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@ -0,0 +1,643 @@
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import * as nativeFs from "fs";
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import * as os from "os";
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import * as path from "path";
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import { createClient } from "../helpers";
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import { FS } from "../../src/browser/modules/fs";
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describe("fs", () => {
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const client = createClient();
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const fs = new FS(client);
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const testFile = path.join(__dirname, "fs.test.ts");
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const tmpFile = () => path.join(os.tmpdir(), `tmpfile-${Math.random()}`);
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const createTmpFile = (): string => {
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const tf = tmpFile();
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nativeFs.writeFileSync(tf, "");
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return tf;
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};
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describe("access", () => {
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it("should access file", (done) => {
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fs.access(testFile, undefined, (err) => {
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expect(err).toBeUndefined();
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done();
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});
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});
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it("should fail to access file", (done) => {
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fs.access(tmpFile(), undefined, (err) => {
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expect(err).toBeDefined();
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done();
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});
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});
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});
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describe("append", () => {
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it("should append to file", (done) => {
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const file = createTmpFile();
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fs.appendFile(file, "howdy", undefined, (err) => {
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expect(err).toBeUndefined();
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const content = nativeFs.readFileSync(file).toString();
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expect(content).toEqual("howdy");
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done();
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});
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});
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it("should fail to append to file", (done) => {
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fs.appendFile(tmpFile(), "howdy", undefined, (err) => {
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expect(err).toBeDefined();
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done();
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});
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});
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});
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describe("chmod", () => {
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it("should chmod file", (done) => {
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fs.chmod(createTmpFile(), "755", (err) => {
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expect(err).toBeUndefined();
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done();
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});
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});
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it("should fail to chmod file", (done) => {
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fs.chmod(tmpFile(), "755", (err) => {
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expect(err).toBeDefined();
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done();
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});
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});
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});
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describe("chown", () => {
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it("should chown file", (done) => {
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fs.chown(createTmpFile(), 1, 1, (err) => {
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expect(err).toBeUndefined();
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done();
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});
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});
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it("should fail to chown file", (done) => {
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fs.chown(tmpFile(), 1, 1, (err) => {
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expect(err).toBeDefined();
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done();
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});
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});
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});
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describe("close", () => {
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it("should close file", (done) => {
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const file = createTmpFile();
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const id = nativeFs.openSync(file, "r");
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fs.close(id, (err) => {
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expect(err).toBeUndefined();
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done();
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});
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});
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it("should fail to close file", (done) => {
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fs.close(99999999, (err) => {
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expect(err).toBeDefined();
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done();
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});
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});
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});
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describe("copyFile", () => {
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it("should copy file", (done) => {
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const file = createTmpFile();
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fs.copyFile(file, tmpFile(), (err) => {
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expect(err).toBeUndefined();
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done();
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});
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});
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it("should fail to copy file", (done) => {
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fs.copyFile(tmpFile(), tmpFile(), (err) => {
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expect(err).toBeDefined();
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done();
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});
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});
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});
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describe("exists", () => {
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it("should output file exists", (done) => {
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fs.exists(testFile, (exists) => {
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expect(exists).toBeTruthy();
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done();
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});
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});
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it("should output file does not exist", (done) => {
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fs.exists(tmpFile(), (exists) => {
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expect(exists).toBeFalsy();
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done();
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});
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});
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});
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describe("fchmod", () => {
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it("should fchmod", (done) => {
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const file = createTmpFile();
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const id = nativeFs.openSync(file, "r");
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fs.fchmod(id, "755", (err) => {
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expect(err).toBeUndefined();
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done();
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});
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});
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it("should fail to fchmod", (done) => {
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fs.fchmod(2242342, "755", (err) => {
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expect(err).toBeDefined();
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done();
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});
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});
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});
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describe("fchown", () => {
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it("should fchown", (done) => {
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const file = createTmpFile();
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const id = nativeFs.openSync(file, "r");
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fs.fchown(id, 1, 1, (err) => {
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expect(err).toBeUndefined();
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done();
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});
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});
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it("should fail to fchown", (done) => {
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fs.fchown(99999, 1, 1, (err) => {
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expect(err).toBeDefined();
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done();
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});
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});
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});
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describe("fdatasync", () => {
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it("should fdatasync", (done) => {
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const file = createTmpFile();
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const id = nativeFs.openSync(file, "r");
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fs.fdatasync(id, (err) => {
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expect(err).toBeUndefined();
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done();
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});
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});
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it("should fail to fdatasync", (done) => {
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fs.fdatasync(99999, (err) => {
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expect(err).toBeDefined();
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done();
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});
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});
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});
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describe("fstat", () => {
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it("should fstat", (done) => {
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const id = nativeFs.openSync(testFile, "r");
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fs.fstat(id, (err, stats) => {
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expect(err).toBeUndefined();
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expect(stats.size).toBeGreaterThan(0);
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done();
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});
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});
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it("should fail to fstat", (done) => {
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fs.fstat(9999, (err) => {
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expect(err).toBeDefined();
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done();
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});
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});
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});
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describe("fsync", () => {
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it("should fsync", (done) => {
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const file = createTmpFile();
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const id = nativeFs.openSync(file, "r");
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fs.fsync(id, (err) => {
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expect(err).toBeUndefined();
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done();
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});
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});
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it("should fail to fsync", (done) => {
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fs.fsync(99999, (err) => {
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expect(err).toBeDefined();
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done();
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});
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});
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});
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describe("ftruncate", () => {
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it("should ftruncate", (done) => {
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const file = createTmpFile();
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const id = nativeFs.openSync(file, "w");
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fs.ftruncate(id, 1, (err) => {
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expect(err).toBeUndefined();
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done();
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});
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||||
});
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|
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it("should fail to ftruncate", (done) => {
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fs.ftruncate(99999, 9999, (err) => {
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expect(err).toBeDefined();
|
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done();
|
||||
});
|
||||
});
|
||||
});
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|
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describe("futimes", () => {
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it("should futimes", (done) => {
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const file = createTmpFile();
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const id = nativeFs.openSync(file, "w");
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fs.futimes(id, 1, 1, (err) => {
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expect(err).toBeUndefined();
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done();
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||||
});
|
||||
});
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|
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it("should fail to futimes", (done) => {
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fs.futimes(99999, 9999, 9999, (err) => {
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expect(err).toBeDefined();
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done();
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||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("lchmod", () => {
|
||||
it("should lchmod file", (done) => {
|
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fs.lchmod(createTmpFile(), "755", (err) => {
|
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expect(err).toBeUndefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to lchmod file", (done) => {
|
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fs.lchmod(tmpFile(), "755", (err) => {
|
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expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("lchown", () => {
|
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it("should lchown file", (done) => {
|
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fs.lchown(createTmpFile(), 1, 1, (err) => {
|
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expect(err).toBeUndefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to lchown file", (done) => {
|
||||
fs.lchown(tmpFile(), 1, 1, (err) => {
|
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expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("link", () => {
|
||||
it("should link file", (done) => {
|
||||
const newFile = createTmpFile();
|
||||
const targetFile = tmpFile();
|
||||
fs.link(newFile, targetFile, (err) => {
|
||||
expect(err).toBeUndefined();
|
||||
expect(nativeFs.existsSync(targetFile)).toBeTruthy();
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to link file", (done) => {
|
||||
fs.link(tmpFile(), tmpFile(), (err) => {
|
||||
expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("lstat", () => {
|
||||
it("should lstat", (done) => {
|
||||
fs.lstat(testFile, (err, stats) => {
|
||||
expect(err).toBeUndefined();
|
||||
expect(stats.size).toBeGreaterThan(0);
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to lstat", (done) => {
|
||||
fs.lstat(path.join(__dirname, "no-exist"), (err, stats) => {
|
||||
expect(err).toBeDefined();
|
||||
expect(stats).toBeUndefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("mkdir", () => {
|
||||
const target = tmpFile();
|
||||
it("should create directory", (done) => {
|
||||
fs.mkdir(target, undefined, (err) => {
|
||||
expect(err).toBeUndefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to create directory", (done) => {
|
||||
fs.mkdir(target, undefined, (err) => {
|
||||
expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("mkdtemp", () => {
|
||||
it("should create temp dir", (done) => {
|
||||
fs.mkdtemp(path.join(os.tmpdir(), "example"), undefined, (err, folder) => {
|
||||
expect(err).toBeUndefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("open", () => {
|
||||
it("should open file", (done) => {
|
||||
fs.open(testFile, "r", undefined, (err, fd) => {
|
||||
expect(err).toBeUndefined();
|
||||
expect(fd).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to open file", (done) => {
|
||||
fs.open("asdfoksfg", "r", undefined, (err, fd) => {
|
||||
expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("read", () => {
|
||||
it("should read file", async () => {
|
||||
const fd = nativeFs.openSync(testFile, "r");
|
||||
const stat = nativeFs.fstatSync(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 new Promise((res, rej) => {
|
||||
fs.read(fd, buffer, bytesRead, chunkSize, bytesRead, (err) => {
|
||||
if (err) {
|
||||
rej(err);
|
||||
} else {
|
||||
res();
|
||||
}
|
||||
});
|
||||
});
|
||||
bytesRead += chunkSize;
|
||||
}
|
||||
|
||||
expect(buffer.toString()).toEqual(nativeFs.readFileSync(testFile).toString());
|
||||
});
|
||||
|
||||
it("should fail to read file", (done) => {
|
||||
fs.read(99999, new Buffer(10), 9999, 999, 999, (err) => {
|
||||
expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("readFile", () => {
|
||||
it("should read file", (done) => {
|
||||
fs.readFile(testFile, undefined, (err, data) => {
|
||||
expect(err).toBeUndefined();
|
||||
expect(data.toString()).toEqual(nativeFs.readFileSync(testFile).toString());
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to read file", (done) => {
|
||||
fs.readFile("donkey", undefined, (err) => {
|
||||
expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("readdir", () => {
|
||||
it("should read directory", (done) => {
|
||||
fs.readdir(__dirname, undefined, (err, paths) => {
|
||||
expect(err).toBeUndefined();
|
||||
expect(paths.length).toBeGreaterThan(0);
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to read directory", (done) => {
|
||||
fs.readdir("moocow", undefined, (err) => {
|
||||
expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("readlink", () => {
|
||||
it("should read link", (done) => {
|
||||
const srcFile = createTmpFile();
|
||||
const linkedFile = tmpFile();
|
||||
nativeFs.symlinkSync(srcFile, linkedFile);
|
||||
fs.readlink(linkedFile, undefined, (err, link) => {
|
||||
expect(err).toBeUndefined();
|
||||
expect(link).toEqual(srcFile);
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to read link", (done) => {
|
||||
fs.readlink(tmpFile(), undefined, (err) => {
|
||||
expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("realpath", () => {
|
||||
it("should read real path", (done) => {
|
||||
const srcFile = createTmpFile();
|
||||
const linkedFile = tmpFile();
|
||||
nativeFs.symlinkSync(srcFile, linkedFile);
|
||||
fs.realpath(linkedFile, undefined, (err, link) => {
|
||||
expect(err).toBeUndefined();
|
||||
expect(link).toEqual(srcFile);
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to read real path", (done) => {
|
||||
fs.realpath(tmpFile(), undefined, (err) => {
|
||||
expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("rename", () => {
|
||||
it("should rename file", (done) => {
|
||||
const srcFile = createTmpFile();
|
||||
const targetFile = tmpFile();
|
||||
fs.rename(srcFile, targetFile, (err) => {
|
||||
expect(err).toBeUndefined();
|
||||
expect(nativeFs.existsSync(targetFile)).toBeTruthy();
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to rename file", (done) => {
|
||||
fs.rename(tmpFile(), tmpFile(), (err) => {
|
||||
expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("rmdir", () => {
|
||||
it("should rmdir", (done) => {
|
||||
const srcFile = tmpFile();
|
||||
nativeFs.mkdirSync(srcFile);
|
||||
fs.rmdir(srcFile, (err) => {
|
||||
expect(err).toBeUndefined();
|
||||
expect(nativeFs.existsSync(srcFile)).toBeFalsy();
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to rmdir", (done) => {
|
||||
fs.rmdir(tmpFile(), (err) => {
|
||||
expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("stat", () => {
|
||||
it("should stat", (done) => {
|
||||
fs.stat(testFile, (err, stats) => {
|
||||
expect(err).toBeUndefined();
|
||||
expect(stats.size).toBeGreaterThan(0);
|
||||
expect(stats.isFile()).toBeTruthy();
|
||||
expect(stats.isFIFO()).toBeFalsy();
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to stat", (done) => {
|
||||
fs.stat(path.join(__dirname, "no-exist"), (err, stats) => {
|
||||
expect(err).toBeDefined();
|
||||
expect(stats).toBeUndefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("symlink", () => {
|
||||
it("should symlink file", (done) => {
|
||||
const newFile = createTmpFile();
|
||||
const targetFile = tmpFile();
|
||||
fs.symlink(newFile, targetFile, "file", (err) => {
|
||||
expect(err).toBeUndefined();
|
||||
expect(nativeFs.existsSync(targetFile)).toBeTruthy();
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to symlink file", (done) => {
|
||||
fs.symlink(tmpFile(), tmpFile(), "file", (err) => {
|
||||
expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("truncate", () => {
|
||||
it("should truncate file", (done) => {
|
||||
const newFile = tmpFile();
|
||||
nativeFs.writeFileSync(newFile, "hiiiiii");
|
||||
fs.truncate(newFile, 2, (err) => {
|
||||
expect(err).toBeUndefined();
|
||||
expect(nativeFs.statSync(newFile).size).toEqual(2);
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to truncate file", (done) => {
|
||||
fs.truncate(tmpFile(), 0, (err) => {
|
||||
expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("unlink", () => {
|
||||
it("should unlink file", (done) => {
|
||||
const newFile = createTmpFile();
|
||||
const targetFile = tmpFile();
|
||||
nativeFs.symlinkSync(newFile, targetFile, "file");
|
||||
fs.unlink(targetFile, (err) => {
|
||||
expect(err).toBeUndefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to unlink file", (done) => {
|
||||
fs.unlink(tmpFile(), (err) => {
|
||||
expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("utimes", () => {
|
||||
it("should update times on file", (done) => {
|
||||
fs.utimes(createTmpFile(), 100, 100, (err) => {
|
||||
expect(err).toBeUndefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to update times", (done) => {
|
||||
fs.utimes(tmpFile(), 100, 100, (err) => {
|
||||
expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("write", () => {
|
||||
it("should write to file", (done) => {
|
||||
const file = createTmpFile();
|
||||
const fd = nativeFs.openSync(file, "w");
|
||||
fs.write(fd, Buffer.from("hi"), undefined, undefined, undefined, (err, written) => {
|
||||
expect(err).toBeUndefined();
|
||||
expect(written).toEqual(2);
|
||||
nativeFs.closeSync(fd);
|
||||
expect(nativeFs.readFileSync(file).toString()).toEqual("hi");
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it("should fail to write to file", (done) => {
|
||||
fs.write(100000, Buffer.from("wowow"), undefined, undefined, undefined, (err) => {
|
||||
expect(err).toBeDefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe("writeFile", () => {
|
||||
it("should write file", (done) => {
|
||||
fs.writeFile(createTmpFile(), "howdy", undefined, (err) => {
|
||||
expect(err).toBeUndefined();
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
});
|
||||
Reference in New Issue
Block a user