gecko-dev/toolkit/components/processtools/tests/xpcshell/test_process_kill.js
David Teller d621561a4a Bug 1635494 - nsIProcessToolsService;r=lina
A small xpcom module implemented in Rust, designed to provide low-level tools to deal with processes
from JS. For the moment, the only notable feature is `kill()`, designed to be used from about:processes

Differential Revision: https://phabricator.services.mozilla.com/D82552
2020-09-17 14:03:41 +00:00

57 lines
1.4 KiB
JavaScript

/* eslint-disable mozilla/no-arbitrary-setTimeout */
"use strict";
const { AppConstants } = ChromeUtils.import(
"resource://gre/modules/AppConstants.jsm"
);
const { setTimeout } = ChromeUtils.import("resource://gre/modules/Timer.jsm");
const { Subprocess } = ChromeUtils.import(
"resource://gre/modules/Subprocess.jsm"
);
const ProcessTools = Cc["@mozilla.org/processtools-service;1"].getService(
Ci.nsIProcessToolsService
);
const env = Cc["@mozilla.org/process/environment;1"].getService(
Ci.nsIEnvironment
);
let PYTHON;
// Find Python.
add_task(async function setup() {
PYTHON = await Subprocess.pathSearch(env.get("PYTHON"));
});
// Ensure that killing a process... kills the process.
add_task(async function test_subprocess_kill() {
// We launch Python, as it's a long-running process and it exists
// on all desktop platforms on which we run tests.
let proc = await Subprocess.call({
command: PYTHON,
arguments: [],
});
let isTerminated = false;
proc.wait().then(() => {
isTerminated = true;
});
await new Promise(resolve => setTimeout(resolve, 100));
Assert.ok(
!isTerminated,
"We haven't killed the process yet, it should still be running."
);
// Time to kill the process.
ProcessTools.kill(proc.pid);
await new Promise(resolve => setTimeout(resolve, 100));
Assert.ok(
isTerminated,
"We have killed the process already, it shouldn't be running anymore."
);
});