You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

128 lines
3.3 KiB

// 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.
var common = require('../common');
var assert = require('assert');
var path = require('path');
var fs = require('fs');
var watchSeenOne = 0;
var watchSeenTwo = 0;
var watchSeenThree = 0;
var startDir = process.cwd();
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 = 'charm'; // because the third time is
process.on('exit', function() {
fs.unlinkSync(filepathOne);
fs.unlinkSync(filepathTwoAbs);
fs.unlinkSync(filenameThree);
assert.equal(1, watchSeenOne);
assert.equal(2, watchSeenTwo);
assert.equal(1, watchSeenThree);
});
fs.writeFileSync(filepathOne, 'hello');
assert.throws(
function() {
fs.watchFile(filepathOne);
},
function(e) {
return e.message === 'watchFile requires a listener function';
}
);
assert.doesNotThrow(
function() {
fs.watchFile(filepathOne, function(curr, prev) {
fs.unwatchFile(filepathOne);
++watchSeenOne;
});
}
);
setTimeout(function() {
fs.writeFileSync(filepathOne, 'world');
}, 1000);
process.chdir(testDir);
fs.writeFileSync(filepathTwoAbs, 'howdy');
assert.throws(
function() {
fs.watchFile(filepathTwo);
},
function(e) {
return e.message === 'watchFile requires a listener function';
}
);
assert.doesNotThrow(
function() {
function a(curr, prev) {
fs.unwatchFile(filepathTwo, a);
++watchSeenTwo;
}
function b(curr, prev) {
fs.unwatchFile(filepathTwo, b);
++watchSeenTwo;
}
fs.watchFile(filepathTwo, a);
fs.watchFile(filepathTwo, b);
}
);
setTimeout(function() {
fs.writeFileSync(filepathTwoAbs, 'pardner');
}, 1000);
assert.doesNotThrow(
function() {
function a(curr, prev) {
assert.ok(0); // should not run
}
function b(curr, prev) {
fs.unwatchFile(filenameThree, b);
++watchSeenThree;
}
fs.watchFile(filenameThree, a);
fs.watchFile(filenameThree, b);
fs.unwatchFile(filenameThree, a);
}
);
setTimeout(function() {
fs.writeFileSync(filenameThree, 'pardner');
}, 1000);