You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.4 KiB
52 lines
1.4 KiB
3 years ago
|
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);
|
||
|
|
});
|