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'use strict';
const common = require('../common');
const tmpdir = require('../common/tmpdir');
const assert = require('assert');
const initHooks = require('./init-hooks');
const { checkInvocations } = require('./hook-checks');
const fs = require('fs');
const path = require('path');
if (!common.isMainThread)
common.skip('Worker bootstrapping works differently -> different async IDs');
tmpdir.refresh({ spawn: false });
const file1 = path.join(tmpdir.path, 'file1');
const file2 = path.join(tmpdir.path, 'file2');
fs.writeFileSync(file1, 'foo');
fs.writeFileSync(file2, 'bar');
const hooks = initHooks();
hooks.enable();
function onchange1(curr, prev) {
console.log('Watcher: w1');
console.log('current stat data:', curr);
console.log('previous stat data:', prev);
}
// Install first file watcher
const w1 = fs.watchFile(file1, { interval: 10 }, onchange1);
let as = hooks.activitiesOfTypes('STATWATCHER');
assert.strictEqual(as.length, 1);
const statwatcher1 = as[0];
assert.strictEqual(statwatcher1.type, 'STATWATCHER');
assert.strictEqual(typeof statwatcher1.uid, 'number');
assert.strictEqual(statwatcher1.triggerAsyncId, 1);
checkInvocations(statwatcher1, { init: 1 },
'watcher1: when started to watch file');
function onchange2(curr, prev) {
console.log('Watcher: w2');
console.log('current stat data:', curr);
console.log('previous stat data:', prev);
}
// Install second file watcher
const w2 = fs.watchFile(file2, { interval: 10 }, onchange2);
as = hooks.activitiesOfTypes('STATWATCHER');
assert.strictEqual(as.length, 2);
const statwatcher2 = as[1];
assert.strictEqual(statwatcher2.type, 'STATWATCHER');
assert.strictEqual(typeof statwatcher2.uid, 'number');
assert.strictEqual(statwatcher2.triggerAsyncId, 1);
checkInvocations(statwatcher1, { init: 1 },
'watcher1: when started to watch second file');
checkInvocations(statwatcher2, { init: 1 },
'watcher2: when started to watch second file');
setTimeout(() => fs.writeFileSync(file1, 'foo++'),
common.platformTimeout(100));
w1.once('change', common.mustCall((curr, prev) => {
console.log('w1 change', curr, prev);
setImmediate(() => {
checkInvocations(statwatcher1, { init: 1, before: 1, after: 1 },
'watcher1: when unwatched first file');
checkInvocations(statwatcher2, { init: 1 },
'watcher2: when unwatched first file');
setTimeout(() => fs.writeFileSync(file2, 'bar++'),
common.platformTimeout(100));
w2.once('change', common.mustCall((curr, prev) => {
console.log('w2 change', curr, prev);
setImmediate(() => {
checkInvocations(statwatcher1, { init: 1, before: 1, after: 1 },
'watcher1: when unwatched second file');
checkInvocations(statwatcher2, { init: 1, before: 1, after: 1 },
'watcher2: when unwatched second file');
fs.unwatchFile(file1);
fs.unwatchFile(file2);
});
}));
});
}));
process.on('exit', onexit);
function onexit() {
hooks.disable();
hooks.sanityCheck('STATWATCHER');
checkInvocations(statwatcher1, { init: 1, before: 1, after: 1 },
'watcher1: when process exits');
checkInvocations(statwatcher2, { init: 1, before: 1, after: 1 },
'watcher2: when process exits');
}