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'use strict';
var common = require('../common');
var assert = require('assert');
var path = require('path');
var fs = require('fs');
var expectFilePath = common.isWindows ||
common.isLinux ||
common.isOSX;
var watchSeenOne = 0;
var watchSeenTwo = 0;
var watchSeenThree = 0;
var testDir = common.tmpDir;
var filenameOne = 'watch.txt';
var filepathOne = path.join(testDir, filenameOne);
var filenameTwo = 'hasOwnProperty';
var filepathTwo = filenameTwo;
var filepathTwoAbs = path.join(testDir, filenameTwo);
var filenameThree = 'newfile.txt';
var testsubdir = path.join(testDir, 'testsubdir');
var filepathThree = path.join(testsubdir, filenameThree);
process.on('exit', function() {
assert.ok(watchSeenOne > 0);
assert.ok(watchSeenTwo > 0);
assert.ok(watchSeenThree > 0);
});
common.refreshTmpDir();
fs.writeFileSync(filepathOne, 'hello');
assert.doesNotThrow(
function() {
var watcher = fs.watch(filepathOne);
watcher.on('change', function(event, filename) {
assert.equal('change', event);
if (expectFilePath) {
assert.equal('watch.txt', filename);
}
watcher.close();
++watchSeenOne;
});
}
);
setImmediate(function() {
fs.writeFileSync(filepathOne, 'world');
});
process.chdir(testDir);
fs.writeFileSync(filepathTwoAbs, 'howdy');
assert.doesNotThrow(
function() {
var watcher = fs.watch(filepathTwo, function(event, filename) {
assert.equal('change', event);
if (expectFilePath) {
assert.equal('hasOwnProperty', filename);
}
watcher.close();
++watchSeenTwo;
});
}
);
setImmediate(function() {
fs.writeFileSync(filepathTwoAbs, 'pardner');
});
fs.mkdirSync(testsubdir, 0o700);
assert.doesNotThrow(
function() {
var watcher = fs.watch(testsubdir, function(event, filename) {
var renameEv = common.isSunOS ? 'change' : 'rename';
assert.equal(renameEv, event);
if (expectFilePath) {
assert.equal('newfile.txt', filename);
} else {
assert.equal(null, filename);
}
watcher.close();
++watchSeenThree;
});
}
);
setImmediate(function() {
var fd = fs.openSync(filepathThree, '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}, function() {
assert(0);
});
// whitebox test to ensure that wrapped FSEvent is safe
// https://github.com/joyent/node/issues/6690
var oldhandle;
assert.throws(function() {
var w = fs.watch(__filename, function(event, filename) { });
oldhandle = w._handle;
w._handle = { close: w._handle.close };
w.close();
}, TypeError);
oldhandle.close(); // clean up
assert.throws(function() {
var w = fs.watchFile(__filename, {persistent: false}, function() {});
oldhandle = w._handle;
w._handle = { stop: w._handle.stop };
w.stop();
}, TypeError);
oldhandle.stop(); // clean up
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