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// deno-lint-ignore-file no-undef// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
import "./global.ts";import { assert, assertEquals, assertThrows } from "../testing/asserts.ts";import { stripColor } from "../fmt/colors.ts";import * as path from "../path/mod.ts";import { delay } from "../async/delay.ts";import { env } from "./process.ts";
Deno.test({  name: "process.cwd and process.chdir success",  fn() {    assertEquals(process.cwd(), Deno.cwd());
    const currentDir = Deno.cwd();
    const tempDir = Deno.makeTempDirSync();    process.chdir(tempDir);    assertEquals(      Deno.realPathSync(process.cwd()),      Deno.realPathSync(tempDir),    );
    process.chdir(currentDir);  },});
Deno.test({  name: "process.chdir failure",  fn() {    assertThrows(      () => {        process.chdir("non-existent-directory-name");      },      Deno.errors.NotFound,      "file",      // On every OS Deno returns: "No such file" except for Windows, where it's:      // "The system cannot find the file specified. (os error 2)" so "file" is      // the only common string here.    );  },});
Deno.test({  name: "process.version",  fn() {    assertEquals(typeof process, "object");    assertEquals(typeof process.version, "string");    assertEquals(typeof process.versions, "object");    assertEquals(typeof process.versions.node, "string");  },});
Deno.test({  name: "process.platform",  fn() {    assertEquals(typeof process.platform, "string");  },});
Deno.test({  name: "process.arch",  fn() {    assertEquals(typeof process.arch, "string");    // TODO(rsp): make sure that the arch strings should be the same in Node and Deno:    assertEquals(process.arch, Deno.build.arch);  },});
Deno.test({  name: "process.pid",  fn() {    assertEquals(typeof process.pid, "number");    assertEquals(process.pid, Deno.pid);  },});
Deno.test({  name: "process.on",  async fn() {    assertEquals(typeof process.on, "function");    assertThrows(      () => {        process.on("uncaughtException", (_err: Error) => {});      },      Error,      "implemented",    );
    let triggered = false;    process.on("exit", () => {      triggered = true;    });    process.emit("exit");    assert(triggered);
    const cwd = path.dirname(path.fromFileUrl(import.meta.url));
    const p = Deno.run({      cmd: [        Deno.execPath(),        "run",        "--quiet",        "./testdata/process_exit.ts",      ],      cwd,      stdout: "piped",    });
    const decoder = new TextDecoder();    const rawOutput = await p.output();    assertEquals(      stripColor(decoder.decode(rawOutput).trim()),      "1\n2",    );    p.close();  },});
Deno.test({  name: "process.argv",  fn() {    assert(Array.isArray(process.argv));    assert(      process.argv[0].match(/[^/\\]*deno[^/\\]*$/),      "deno included in the file name of argv[0]",    );    assertEquals(      process.argv[1],      path.fromFileUrl(Deno.mainModule),    );    // argv supports array methods.    assert(Array.isArray(process.argv.slice(2)));    assertEquals(process.argv.indexOf(Deno.execPath()), 0);    assertEquals(process.argv.indexOf(path.fromFileUrl(Deno.mainModule)), 1);  },});
Deno.test({  name: "process.env",  fn() {    Deno.env.set("HELLO", "WORLD");
    assertEquals(typeof (process.env.HELLO), "string");    assertEquals(process.env.HELLO, "WORLD");
    assertEquals(typeof env.HELLO, "string");    assertEquals(env.HELLO, "WORLD");  },});
Deno.test({  name: "process.stdin",  fn() {    assertEquals(typeof process.stdin.fd, "number");    assertEquals(process.stdin.fd, Deno.stdin.rid);    // TODO(jayhelton) Uncomment out this assertion once PTY is supported    //assert(process.stdin.isTTY);  },});
Deno.test({  name: "process.stdout",  fn() {    assertEquals(typeof process.stdout.fd, "number");    assertEquals(process.stdout.fd, Deno.stdout.rid);    // TODO(jayhelton) Uncomment out this assertion once PTY is supported    // assert(process.stdout.isTTY);  },});
Deno.test({  name: "process.stderr",  fn() {    assertEquals(typeof process.stderr.fd, "number");    assertEquals(process.stderr.fd, Deno.stderr.rid);    // TODO(jayhelton) Uncomment out this assertion once PTY is supported    // assert(process.stderr.isTTY);  },});
Deno.test({  name: "process.nextTick",  async fn() {    let withoutArguments = false;    process.nextTick(() => {      withoutArguments = true;    });
    const expected = 12;    let result;    process.nextTick((x: number) => {      result = x;    }, 12);
    await delay(10);    assert(withoutArguments);    assertEquals(result, expected);  },});
Deno.test({  name: "process.hrtime",  fn() {    const [sec0, nano0] = process.hrtime();    // seconds and nano seconds are positive integers.    assert(sec0 > 0);    assert(Number.isInteger(sec0));    assert(nano0 > 0);    assert(Number.isInteger(nano0));
    const [sec1, nano1] = process.hrtime();    // the later call returns bigger value    assert(sec1 >= sec0);    assert(nano1 > nano0);
    const [sec2, nano2] = process.hrtime([sec1, nano1]);    // the difference of the 2 calls is a small positive value.    assertEquals(sec2, 0);    assert(nano2 > 0);  },});