94 lines
2.4 KiB
JavaScript
94 lines
2.4 KiB
JavaScript
'use strict';
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// This test is a bit more complicated than it ideally needs to be to work
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// around issues on OS X and SmartOS.
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//
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// On OS X, watch events are subject to peculiar timing oddities such that an
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// event might fire out of order. The synchronous refreshing of the tmp
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// directory might trigger an event on the watchers that are instantiated after
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// it!
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//
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// On SmartOS, the watch events fire but the filename is null.
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const common = require('../common');
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// fs-watch on folders have limited capability in AIX.
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// The testcase makes use of folder watching, and causes
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// hang. This behavior is documented. Skip this for AIX.
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if (common.isAIX)
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common.skip('folder watch capability is limited in AIX.');
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const fs = require('fs');
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const path = require('path');
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const tmpdir = require('../common/tmpdir');
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tmpdir.refresh();
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const fn = '新建文夹件.txt';
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const a = path.join(tmpdir.path, fn);
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const watchers = new Set();
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function registerWatcher(watcher) {
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watchers.add(watcher);
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}
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function unregisterWatcher(watcher) {
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watcher.close();
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watchers.delete(watcher);
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if (watchers.size === 0) {
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clearInterval(interval);
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}
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}
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{
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// Test that using the `encoding` option has the expected result.
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const watcher = fs.watch(
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tmpdir.path,
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{ encoding: 'hex' },
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(event, filename) => {
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if (['e696b0e5bbbae69687e5a4b9e4bbb62e747874', null].includes(filename))
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done(watcher);
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}
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);
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registerWatcher(watcher);
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}
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{
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// Test that in absence of `encoding` option has the expected result.
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const watcher = fs.watch(
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tmpdir.path,
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(event, filename) => {
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if ([fn, null].includes(filename))
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done(watcher);
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}
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);
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registerWatcher(watcher);
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}
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{
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// Test that using the `encoding` option has the expected result.
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const watcher = fs.watch(
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tmpdir.path,
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{ encoding: 'buffer' },
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(event, filename) => {
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if (filename instanceof Buffer && filename.toString('utf8') === fn)
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done(watcher);
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else if (filename === null)
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done(watcher);
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}
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);
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registerWatcher(watcher);
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}
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const done = common.mustCall(unregisterWatcher, watchers.size);
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// OS X and perhaps other systems can have surprising race conditions with
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// file events. So repeat the operation in case it is missed the first time.
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const interval = setInterval(() => {
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const fd = fs.openSync(a, 'w+');
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fs.closeSync(fd);
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fs.unlinkSync(a);
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}, common.platformTimeout(100));
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