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