This commit is contained in:
2025-06-26 03:35:15 +00:00
parent 56fa52fd80
commit 59f287112f
2193 changed files with 289518 additions and 3540 deletions

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const tap = require('tap');
const test = tap.test;
const readFile = require('fs').readFileSync;
const spawn = require('child_process').spawn;
const pstree = require('../');
const { tree, pidsForTree, getStat } = require('../lib/utils');
if (process.platform !== 'darwin') {
test('reads from /proc', async (t) => {
const ps = await getStat();
t.ok(ps.split('\n').length > 1);
});
}
test('tree for live env', async (t) => {
const pid = 4079;
const fixture = readFile(__dirname + '/fixtures/out2', 'utf8');
const ps = await tree(fixture);
t.deepEqual(
pidsForTree(ps, pid).map((_) => _.PID),
['4080']
);
});
function testTree(t, runCallCount) {
const sub = spawn('node', [`${__dirname}/fixtures/index.js`, runCallCount], {
stdio: 'pipe',
});
setTimeout(() => {
const pid = sub.pid;
pstree(pid, (error, pids) => {
pids.concat([pid]).forEach((p) => {
spawn('kill', ['-s', 'SIGTERM', p]);
});
// the fixture launches `sh` which launches node which is why we
// are looking for two processes.
// Important: IDKW but MacOS seems to skip the `sh` process. no idea.
t.equal(pids.length, runCallCount * 2);
t.end();
});
}, 1000);
}
test('can read full process tree', (t) => {
testTree(t, 1);
});
test('can read full process tree with multiple processes', (t) => {
testTree(t, 2);
});

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The ISC License
Copyright (c) Isaac Z. Schlueter
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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declare function isPromise<T, S>(obj: PromiseLike<T> | S): obj is PromiseLike<T>;
export default isPromise;