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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
const common = require('../common');
const assert = require('assert');
const fs = require('fs');
const path = require('path');
const tmpdir = require('../common/tmpdir');
if (!common.isMainThread)
common.skip('process.chdir is not available in Workers');
const expectFilePath = common.isWindows ||
common.isLinux ||
common.isOSX ||
common.isAIX;
const testDir = tmpdir.path;
tmpdir.refresh();
{
const filepath = path.join(testDir, 'watch.txt');
fs.writeFileSync(filepath, 'hello');
const watcher = fs.watch(filepath);
watcher.on('change', common.mustCall(function(event, filename) {
assert.strictEqual(event, 'change');
if (expectFilePath) {
assert.strictEqual(filename, 'watch.txt');
}
watcher.close();
}));
setImmediate(function() {
fs.writeFileSync(filepath, 'world');
});
}
{
const filepathAbs = path.join(testDir, 'hasOwnProperty');
process.chdir(testDir);
fs.writeFileSync(filepathAbs, 'howdy');
const watcher =
fs.watch('hasOwnProperty', common.mustCall(function(event, filename) {
assert.strictEqual(event, 'change');
if (expectFilePath) {
assert.strictEqual(filename, 'hasOwnProperty');
}
watcher.close();
}));
setImmediate(function() {
fs.writeFileSync(filepathAbs, 'pardner');
});
}
{
const testsubdir = fs.mkdtempSync(testDir + path.sep);
const filepath = path.join(testsubdir, 'newfile.txt');
const watcher =
fs.watch(testsubdir, common.mustCall(function(event, filename) {
const renameEv = common.isSunOS || common.isAIX ? 'change' : 'rename';
assert.strictEqual(event, renameEv);
if (expectFilePath) {
assert.strictEqual(filename, 'newfile.txt');
} else {
assert.strictEqual(filename, null);
}
watcher.close();
}));
setImmediate(function() {
const fd = fs.openSync(filepath, 'w');
fs.closeSync(fd);
});
}
// https://github.com/joyent/node/issues/2293 - non-persistent watcher should
// not block the event loop
{
fs.watch(__filename, { persistent: false }, common.mustNotCall());
}
// Whitebox test to ensure that wrapped FSEvent is safe
// https://github.com/joyent/node/issues/6690
{
let oldhandle;
common.expectsInternalAssertion(
() => {
const w = fs.watch(__filename, common.mustNotCall());
oldhandle = w._handle;
w._handle = { close: w._handle.close };
w.close();
},
'handle must be a FSEvent'
);
oldhandle.close(); // clean up
}