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test.js
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test.js
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'use strict';
var chokidar = require('./');
var chai = require('chai');
var expect = chai.expect;
var should = chai.should();
var sinon = require('sinon');
var rimraf = require('rimraf');
var fs = require('graceful-fs');
var sysPath = require('path');
var upath = require("upath");
var cp = require('child_process');
chai.use(require('sinon-chai'));
var os = process.platform;
function getFixturePath (subPath) {
return sysPath.join(
__dirname,
'test-fixtures',
subdir && subdir.toString() || '',
subPath
);
}
function getGlobPath (subPath) {
return upath.join(
__dirname,
'test-fixtures',
subdir && subdir.toString() || '',
subPath
);
}
var watcher,
watcher2,
usedWatchers = [],
fixturesPath = getFixturePath(''),
subdir = 0,
options,
node010 = process.version.slice(0, 5) === 'v0.10',
osXFsWatch,
osXFsWatch010,
win32Polling,
win32Polling010,
slowerDelay,
testCount = 1,
mochaIt = it;
if (!fs.readFileSync(__filename).toString().match(/\sit\.only\(/)) {
it = function() {
testCount++;
mochaIt.apply(this, arguments);
}
it.skip = function() {
testCount--;
mochaIt.skip.apply(this, arguments)
}
}
before(function(done) {
var writtenCount = 0;
function wrote(err) {
if (err) throw err;
if (++writtenCount === testCount * 2) {
subdir = 0;
done();
}
}
rimraf(sysPath.join(__dirname, 'test-fixtures'), function(err) {
if (err) throw err;
fs.mkdir(fixturesPath, 0x1ed, function(err) {
if (err) throw err;
while (subdir < testCount) {
subdir++;
fixturesPath = getFixturePath('');
fs.mkdir(fixturesPath, 0x1ed, function() {
fs.writeFile(sysPath.join(this, 'change.txt'), 'b', wrote);
fs.writeFile(sysPath.join(this, 'unlink.txt'), 'b', wrote);
}.bind(fixturesPath));
}
});
});
});
beforeEach(function() {
subdir++;
fixturesPath = getFixturePath('');
});
function closeWatchers(done) {
var u;
while (u = usedWatchers.pop()) u.close();
if (done) {
process.env.TRAVIS && os === 'darwin' ? setTimeout(done, 500) : done();
}
}
function disposeWatcher(watcher) {
if (!watcher || !watcher.close) return;
os === 'darwin' ? usedWatchers.push(watcher) : watcher.close();
}
afterEach(function() {
disposeWatcher(watcher);
disposeWatcher(watcher2);
});
describe('chokidar', function() {
this.timeout(6000);
it('should expose public API methods', function() {
chokidar.FSWatcher.should.be.a('function');
chokidar.watch.should.be.a('function');
});
if (os === 'darwin') {
describe('fsevents (native extension)', runTests.bind(this, {useFsEvents: true}));
}
if (os !== 'darwin' || !node010) {
describe('fs.watch (non-polling)', runTests.bind(this, {usePolling: false, useFsEvents: false}));
}
describe('fs.watchFile (polling)', runTests.bind(this, {usePolling: true, interval: 10}));
});
function simpleCb(err) { if (err) throw err; }
function w(fn, to) {
return setTimeout.bind(null, fn, to || slowerDelay || 50);
}
function runTests(baseopts) {
baseopts.persistent = true;
before(function() {
// flags for bypassing special-case test failures on CI
osXFsWatch = os === 'darwin' && !baseopts.usePolling && !baseopts.useFsEvents;
osXFsWatch010 = osXFsWatch && node010;
win32Polling = os === 'win32' && baseopts.usePolling;
win32Polling010 = win32Polling && node010;
if (win32Polling010) {
slowerDelay = 900;
} else if (node010 || osXFsWatch) {
slowerDelay = 200;
} else {
slowerDelay = undefined;
}
});
after(closeWatchers);
beforeEach(function clean() {
options = {};
Object.keys(baseopts).forEach(function(key) {
options[key] = baseopts[key]
});
});
function stdWatcher() {
return watcher = chokidar.watch(fixturesPath, options);
}
function waitFor(spies, fn) {
function isSpyReady(spy) {
return Array.isArray(spy) ? spy[0].callCount >= spy[1] : spy.callCount;
}
function finish() {
clearInterval(intrvl);
clearTimeout(to);
fn();
fn = Function.prototype;
}
var intrvl = setInterval(function() {
if (spies.every(isSpyReady)) finish();
}, 5);
var to = setTimeout(finish, 3500);
}
describe('watch a directory', function() {
var readySpy, rawSpy;
beforeEach(function() {
options.ignoreInitial = true;
options.alwaysStat = true;
readySpy = sinon.spy(function readySpy(){});
rawSpy = sinon.spy(function rawSpy(){});
stdWatcher().on('ready', readySpy).on('raw', rawSpy);
});
afterEach(function(done) {
waitFor([readySpy], function() {
readySpy.should.have.been.calledOnce;
rawSpy = undefined;
closeWatchers(done);
});
});
it('should produce an instance of chokidar.FSWatcher', function() {
watcher.should.be.an['instanceof'](chokidar.FSWatcher);
});
it('should expose public API methods', function() {
watcher.on.should.be.a('function');
watcher.emit.should.be.a('function');
watcher.add.should.be.a('function');
watcher.close.should.be.a('function');
watcher.getWatched.should.be.a('function');
});
it('should emit `add` event when file was added', function(done) {
var spy = sinon.spy();
var testPath = getFixturePath('add.txt');
watcher.on('add', spy).on('ready', w(function() {
fs.writeFile(testPath, Date.now(), simpleCb);
waitFor([spy], function() {
spy.should.have.been.calledOnce;
spy.should.have.been.calledWith(testPath);
expect(spy.args[0][1]).to.be.ok; // stats
rawSpy.should.have.been.called;
done();
});
}));
});
it('should emit `addDir` event when directory was added', function(done) {
var spy = sinon.spy();
var testDir = getFixturePath('subdir');
watcher.on('addDir', spy).on('ready', w(function() {
spy.should.not.have.been.called;
fs.mkdir(testDir, 0x1ed, simpleCb);
waitFor([spy], function() {
spy.should.have.been.calledOnce;
spy.should.have.been.calledWith(testDir);
expect(spy.args[0][1]).to.be.ok; // stats
rawSpy.should.have.been.called;
done();
});
}));
});
it('should emit `change` event when file was changed', function(done) {
var spy = sinon.spy();
var testPath = getFixturePath('change.txt');
watcher.on('change', spy).on('ready', function() {
spy.should.not.have.been.called;
fs.writeFile(testPath, Date.now(), simpleCb);
waitFor([spy], function() {
spy.should.have.been.calledWith(testPath);
expect(spy.args[0][1]).to.be.ok; // stats
rawSpy.should.have.been.called;
if (!osXFsWatch010) spy.should.have.been.calledOnce;
done();
});
});
});
it('should emit `unlink` event when file was removed', function(done) {
var spy = sinon.spy();
var testPath = getFixturePath('unlink.txt');
watcher.on('unlink', spy).on('ready', function() {
spy.should.not.have.been.called;
fs.unlink(testPath, simpleCb);
waitFor([spy], function() {
spy.should.have.been.calledWith(testPath);
expect(spy.args[0][1]).to.not.be.ok; // no stats
rawSpy.should.have.been.called;
if (!osXFsWatch010) spy.should.have.been.calledOnce;
done();
});
});
});
it('should emit `unlinkDir` event when a directory was removed', function(done) {
var spy = sinon.spy();
var testDir = getFixturePath('subdir');
fs.mkdirSync(testDir, 0x1ed);
watcher.on('unlinkDir', spy).on('ready', function() {
w(fs.rmdir.bind(fs, testDir, simpleCb))();
waitFor([spy], function() {
spy.should.have.been.calledWith(testDir);
expect(spy.args[0][1]).to.not.be.ok; // no stats
rawSpy.should.have.been.called;
if (!osXFsWatch010) spy.should.have.been.calledOnce;
done();
});
});
});
it('should emit `unlink` and `add` events when a file is renamed', function(done) {
var unlinkSpy = sinon.spy(function unlink(){});
var addSpy = sinon.spy(function add(){});
var testPath = getFixturePath('change.txt');
var newPath = getFixturePath('moved.txt');
watcher
.on('unlink', unlinkSpy)
.on('add', addSpy)
.on('ready', function() {
unlinkSpy.should.not.have.been.called;
addSpy.should.not.have.been.called;
w(fs.rename.bind(fs, testPath, newPath, simpleCb))();
waitFor([unlinkSpy, addSpy], function() {
unlinkSpy.should.have.been.calledWith(testPath);
expect(unlinkSpy.args[0][1]).to.not.be.ok; // no stats
addSpy.should.have.been.calledOnce;
addSpy.should.have.been.calledWith(newPath);
expect(addSpy.args[0][1]).to.be.ok; // stats
rawSpy.should.have.been.called;
if (!osXFsWatch) unlinkSpy.should.have.been.calledOnce;
done();
});
});
});
it('should emit `add`, not `change`, when previously deleted file is re-added', function(done) {
if (win32Polling010) return done();
var unlinkSpy = sinon.spy(function unlink(){});
var addSpy = sinon.spy(function add(){});
var changeSpy = sinon.spy(function change(){});
var testPath = getFixturePath('add.txt');
fs.writeFileSync(testPath, 'hello');
watcher
.on('unlink', unlinkSpy)
.on('add', addSpy)
.on('change', changeSpy)
.on('ready', function() {
unlinkSpy.should.not.have.been.called;
addSpy.should.not.have.been.called;
changeSpy.should.not.have.been.called;
fs.unlink(testPath, simpleCb);
waitFor([unlinkSpy.withArgs(testPath)], function() {
unlinkSpy.should.have.been.calledWith(testPath);
w(fs.writeFile.bind(fs, testPath, Date.now(), simpleCb))();
waitFor([addSpy.withArgs(testPath)], function() {
addSpy.should.have.been.calledWith(testPath);
changeSpy.should.not.have.been.called;
done();
});
});
});
});
it('should not emit `unlink` for previously moved files', function(done) {
var unlinkSpy = sinon.spy(function unlink(){});
var testPath = getFixturePath('change.txt');
var newPath1 = getFixturePath('moved.txt');
var newPath2 = getFixturePath('moved-again.txt');
watcher
.on('unlink', unlinkSpy)
.on('ready', function() {
fs.rename(testPath, newPath1, w(function() {
fs.rename(newPath1, newPath2, simpleCb);
}, 300));
waitFor([unlinkSpy.withArgs(newPath1)], function() {
unlinkSpy.withArgs(testPath).should.have.been.calledOnce;
unlinkSpy.withArgs(newPath1).should.have.been.calledOnce;
unlinkSpy.withArgs(newPath2).should.not.have.been.called;
done();
});
});
});
it('should survive ENOENT for missing subdirectories', function(done) {
var testDir;
testDir = getFixturePath('notadir');
watcher.on('ready', function() {
watcher.add(testDir);
done();
});
});
it('should notice when a file appears in a new directory', function(done) {
var spy = sinon.spy();
var testDir = getFixturePath('subdir');
var testPath = getFixturePath('subdir/add.txt');
watcher.on('add', spy).on('ready', function() {
spy.should.not.have.been.called;
fs.mkdir(testDir, 0x1ed, function() {
fs.writeFile(testPath, Date.now(), simpleCb);
});
waitFor([spy], function() {
spy.should.have.been.calledOnce;
spy.should.have.been.calledWith(testPath);
expect(spy.args[0][1]).to.be.ok; // stats
rawSpy.should.have.been.called;
done();
});
});
});
it('should watch removed and re-added directories', function(done) {
if (win32Polling010) return done();
var unlinkSpy = sinon.spy(function unlinkSpy(){});
var addSpy = sinon.spy(function addSpy(){});
var parentPath = getFixturePath('subdir2');
var subPath = getFixturePath('subdir2/subsub');
watcher
.on('unlinkDir', unlinkSpy)
.on('addDir', addSpy)
.on('ready', function() {
fs.mkdir(parentPath, 0x1ed, w(function() {
fs.rmdir(parentPath, simpleCb);
}, win32Polling ? 900 : 300));
waitFor([unlinkSpy.withArgs(parentPath)], function() {
unlinkSpy.should.have.been.calledWith(parentPath);
fs.mkdir(parentPath, 0x1ed, w(function() {
fs.mkdir(subPath, 0x1ed, simpleCb);
}, win32Polling ? 2200 : 1200));
waitFor([[addSpy, 3]], function() {
addSpy.should.have.been.calledWith(parentPath);
addSpy.should.have.been.calledWith(subPath);
done();
});
});
});
});
});
describe('watch individual files', function() {
before(closeWatchers);
it('should detect changes', function(done) {
var spy = sinon.spy();
var testPath = getFixturePath('change.txt');
watcher = chokidar.watch(testPath, options)
.on('change', spy)
.on('ready', function() {
fs.writeFile(testPath, Date.now(), simpleCb);
waitFor([spy], function() {
spy.should.have.always.been.calledWith(testPath);
done();
});
});
});
it('should detect unlinks', function(done) {
var spy = sinon.spy();
var testPath = getFixturePath('unlink.txt');
watcher = chokidar.watch(testPath, options)
.on('unlink', spy)
.on('ready', function() {
w(fs.unlink.bind(fs, testPath, simpleCb))();
waitFor([spy], function() {
spy.should.have.been.calledWith(testPath);
done();
});
});
});
it('should detect unlink and re-add', function(done) {
options.ignoreInitial = true;
var unlinkSpy = sinon.spy(function unlinkSpy(){});
var addSpy = sinon.spy(function addSpy(){});
var testPath = getFixturePath('unlink.txt');
watcher = chokidar.watch([testPath, testPath + '.does-not-exist'], options)
.on('unlink', unlinkSpy)
.on('add', addSpy)
.on('ready', function() {
w(fs.unlink.bind(fs, testPath, simpleCb))();
waitFor([unlinkSpy], w(function() {
unlinkSpy.should.have.been.calledWith(testPath);
w(fs.writeFile.bind(fs, testPath, 're-added', simpleCb))();
waitFor([addSpy], function() {
addSpy.should.have.been.calledWith(testPath);
done();
});
}));
});
});
it('should ignore unwatched siblings', function(done) {
var spy = sinon.spy();
var testPath = getFixturePath('add.txt');
var siblingPath = getFixturePath('change.txt');
watcher = chokidar.watch(testPath, options)
.on('all', spy)
.on('ready', w(function() {
fs.writeFile(siblingPath, Date.now(), simpleCb);
fs.writeFile(testPath, Date.now(), simpleCb);
waitFor([spy], function() {
spy.should.have.always.been.calledWith('add', testPath);
done();
});
}));
});
});
describe('renamed directory', function() {
it('should emit `add` for a file in a renamed directory', function(done) {
options.ignoreInitial = true;
var spy = sinon.spy();
var testDir = getFixturePath('subdir');
var testPath = getFixturePath('subdir/add.txt');
var renamedDir = getFixturePath('subdir-renamed');
var expectedPath = sysPath.join(renamedDir, 'add.txt')
fs.mkdir(testDir, 0x1ed, function() {
fs.writeFile(testPath, Date.now(), function() {
watcher = chokidar.watch(fixturesPath, options)
.on('add', spy)
.on('ready', function() {
w(function() {
fs.rename(testDir, renamedDir, simpleCb);
}, 1000)();
waitFor([spy], function() {
spy.should.have.been.calledOnce;
spy.should.have.been.calledWith(expectedPath);
done();
});
});
});
});
});
});
describe('watch non-existent paths', function() {
it('should watch non-existent file and detect add', function(done) {
var spy = sinon.spy();
var testPath = getFixturePath('add.txt');
watcher = chokidar.watch(testPath, options)
.on('add', spy)
.on('ready', function() {
w(fs.writeFile.bind(fs, testPath, Date.now(), simpleCb))();
waitFor([spy], function() {
spy.should.have.been.calledWith(testPath);
done();
});
});
});
it('should watch non-existent dir and detect addDir/add', function(done) {
var spy = sinon.spy();
var testDir = getFixturePath('subdir');
var testPath = getFixturePath('subdir/add.txt');
watcher = chokidar.watch(testDir, options)
.on('all', spy)
.on('ready', function() {
spy.should.not.have.been.called;
w(function() {
fs.mkdir(testDir, 0x1ed, w(function() {
fs.writeFile(testPath, 'hello', simpleCb);
}, win32Polling010 ? 900 : undefined));
}, win32Polling010 ? 900 : undefined)();
waitFor([spy.withArgs('add')], function() {
spy.should.have.been.calledWith('addDir', testDir);
spy.should.have.been.calledWith('add', testPath);
done();
});
});
});
});
describe('watch glob patterns', function() {
before(closeWatchers);
it('should correctly watch and emit based on glob input', function(done) {
var spy = sinon.spy();
var watchPath = getGlobPath('*a*.txt');
var addPath = getFixturePath('add.txt');
var changePath = getFixturePath('change.txt');
watcher = chokidar.watch(watchPath, options)
.on('all', spy)
.on('ready', function() {
spy.should.have.been.calledWith('add', changePath);
w(function() {
fs.writeFile(addPath, Date.now(), simpleCb);
fs.writeFile(changePath, Date.now(), simpleCb);
})();
waitFor([[spy, 3], spy.withArgs('add', addPath)], function() {
spy.should.have.been.calledWith('add', addPath);
spy.should.have.been.calledWith('change', changePath);
spy.should.not.have.been.calledWith('add', getFixturePath('unlink.txt'));
spy.should.not.have.been.calledWith('addDir');
done();
});
});
});
it('should respect negated glob patterns', function(done) {
var spy = sinon.spy();
var watchPath = getGlobPath('*');
var negatedWatchPath = '!' + getGlobPath('*a*.txt');
var unlinkPath = getFixturePath('unlink.txt');
watcher = chokidar.watch([watchPath, negatedWatchPath], options)
.on('all', spy)
.on('ready', function() {
spy.should.have.been.calledOnce;
spy.should.have.been.calledWith('add', unlinkPath);
w(fs.unlink.bind(fs, unlinkPath, simpleCb))();
waitFor([[spy, 2], spy.withArgs('unlink')], function() {
if (!osXFsWatch010) spy.should.have.been.calledTwice;
spy.should.have.been.calledWith('unlink', unlinkPath);
done();
});
});
});
it('should traverse subdirs to match globstar patterns', function(done) {
var spy = sinon.spy();
var watchPath = getGlobPath('../../test-*/' + subdir + '/**/a*.txt');
fs.mkdirSync(getFixturePath('subdir'), 0x1ed);
fs.mkdirSync(getFixturePath('subdir/subsub'), 0x1ed);
fs.writeFileSync(getFixturePath('subdir/a.txt'), 'b');
fs.writeFileSync(getFixturePath('subdir/b.txt'), 'b');
fs.writeFileSync(getFixturePath('subdir/subsub/ab.txt'), 'b');
w(function() {
watcher = chokidar.watch(watchPath, options)
.on('all', spy)
.on('ready', function() {
w(function() {
fs.writeFile(getFixturePath('add.txt'), Date.now(), simpleCb);
fs.writeFile(getFixturePath('subdir/subsub/ab.txt'), Date.now(), simpleCb);
fs.unlink(getFixturePath('subdir/a.txt'), simpleCb);
fs.unlink(getFixturePath('subdir/b.txt'), simpleCb);
})();
waitFor([[spy.withArgs('add'), 3], spy.withArgs('unlink'), spy.withArgs('change')], function() {
spy.withArgs('add').should.have.been.calledThrice;
spy.should.have.been.calledWith('unlink', getFixturePath('subdir/a.txt'));
spy.should.have.been.calledWith('change', getFixturePath('subdir/subsub/ab.txt'));
if (!node010) {
spy.withArgs('unlink').should.have.been.calledOnce;
spy.withArgs('change').should.have.been.calledOnce;
}
done();
});
});
}, win32Polling010 ? 300 : undefined)();
});
it('should resolve relative paths with glob patterns', function(done) {
var spy = sinon.spy();
var watchPath = 'test-*/' + subdir + '/*a*.txt';
// getFixturePath() returns absolute paths, so use sysPath.join() instead
var addPath = sysPath.join('test-fixtures', subdir.toString(), 'add.txt');
var changePath = sysPath.join('test-fixtures', subdir.toString(), 'change.txt');
var unlinkPath = sysPath.join('test-fixtures', subdir.toString(), 'unlink.txt');
watcher = chokidar.watch(watchPath, options)
.on('all', spy)
.on('ready', function() {
spy.should.have.been.calledWith('add', changePath);
w(function() {
fs.writeFile(addPath, Date.now(), simpleCb);
fs.writeFile(changePath, Date.now(), simpleCb);
})();
waitFor([[spy, 3], spy.withArgs('add', addPath)], function() {
spy.should.have.been.calledWith('add', addPath);
spy.should.have.been.calledWith('change', changePath);
spy.should.not.have.been.calledWith('add', unlinkPath);
spy.should.not.have.been.calledWith('addDir');
if (!osXFsWatch) spy.should.have.been.calledThrice;
done();
});
});
});
it('should correctly handle conflicting glob patterns', function(done) {
var spy = sinon.spy();
var changePath = getFixturePath('change.txt');
var unlinkPath = getFixturePath('unlink.txt');
var addPath = getFixturePath('add.txt');
var watchPaths = [getGlobPath('change*'), getGlobPath('unlink*')];
watcher = chokidar.watch(watchPaths, options)
.on('all', spy)
.on('ready', function() {
spy.should.have.been.calledWith('add', changePath);
spy.should.have.been.calledWith('add', unlinkPath);
spy.should.have.been.calledTwice;
w(function() {
fs.writeFile(addPath, Date.now(), simpleCb);
fs.writeFile(changePath, Date.now(), simpleCb);
fs.unlink(unlinkPath, simpleCb);
})();
waitFor([[spy, 4], spy.withArgs('unlink', unlinkPath)], function() {
spy.should.have.been.calledWith('change', changePath);
spy.should.have.been.calledWith('unlink', unlinkPath);
spy.should.not.have.been.calledWith('add', addPath);
if (!osXFsWatch010) spy.callCount.should.equal(4);
done();
});
});
});
it('should correctly handle intersecting glob patterns', function(done) {
var spy = sinon.spy();
var changePath = getFixturePath('change.txt');
var watchPaths = [getGlobPath('cha*'), getGlobPath('*nge.*')];
watcher = chokidar.watch(watchPaths, options)
.on('all', spy)
.on('ready', function() {
spy.should.have.been.calledWith('add', changePath);
if (!osXFsWatch010) spy.should.have.been.calledOnce;
w(fs.writeFile.bind(fs, changePath, Date.now(), simpleCb))();
waitFor([[spy, 2]], function() {
spy.should.have.been.calledWith('change', changePath);
if (!osXFsWatch010) spy.should.have.been.calledTwice;
done();
});
});
});
it('should not confuse glob-like filenames with globs', function(done) {
var spy = sinon.spy();
var filePath = getFixturePath('nota[glob].txt');
fs.writeFile(filePath, 'b', w(function() {
stdWatcher()
.on('all', spy)
.on('ready', function() {
spy.should.have.been.calledWith('add', filePath);
w(fs.writeFile.bind(fs, filePath, Date.now(), simpleCb))();
waitFor([spy.withArgs('change', filePath)], function() {
spy.should.have.been.calledWith('change', filePath);
done();
});
});
}));
});
it('should treat glob-like directory names as literal directory names when globbing is disabled', function(done) {
options.disableGlobbing = true;
var spy = sinon.spy();
var filePath = getFixturePath('nota[glob]/a.txt');
var watchPath = getFixturePath('nota[glob]');
var testDir = getFixturePath('nota[glob]');
var matchingDir = getFixturePath('notag');
var matchingFile = getFixturePath('notag/b.txt');
var matchingFile2 = getFixturePath('notal');
fs.mkdirSync(testDir, 0x1ed);
fs.writeFileSync(filePath, 'b');
fs.mkdirSync(matchingDir, 0x1ed);
fs.writeFileSync(matchingFile, 'c');
fs.writeFileSync(matchingFile2, 'd');
watcher = chokidar.watch(watchPath, options)
.on('all', spy)
.on('ready', function() {
spy.should.have.been.calledWith('add', filePath);
spy.should.not.have.been.calledWith('addDir', matchingDir);
spy.should.not.have.been.calledWith('add', matchingFile);
spy.should.not.have.been.calledWith('add', matchingFile2);
w(fs.writeFile.bind(fs, filePath, Date.now(), simpleCb))();
waitFor([spy.withArgs('change', filePath)], function() {
spy.should.have.been.calledWith('change', filePath);
done();
});
});
});
it('should treat glob-like filenames as literal filenames when globbing is disabled', function(done) {
options.disableGlobbing = true;
var spy = sinon.spy();
var filePath = getFixturePath('nota[glob]');
// This isn't using getGlobPath because it isn't treated as a glob
var watchPath = getFixturePath('nota[glob]');
var matchingDir = getFixturePath('notag');
var matchingFile = getFixturePath('notag/a.txt');
var matchingFile2 = getFixturePath('notal');
fs.writeFileSync(filePath, 'b');
fs.mkdirSync(matchingDir, 0x1ed);
fs.writeFileSync(matchingFile, 'c');
fs.writeFileSync(matchingFile2, 'd');
watcher = chokidar.watch(watchPath, options)
.on('all', spy)
.on('ready', function() {
spy.should.have.been.calledWith('add', filePath);
spy.should.not.have.been.calledWith('addDir', matchingDir);
spy.should.not.have.been.calledWith('add', matchingFile);
spy.should.not.have.been.calledWith('add', matchingFile2);
w(fs.writeFile.bind(fs, filePath, Date.now(), simpleCb))();
waitFor([spy.withArgs('change', filePath)], function() {
spy.should.have.been.calledWith('change', filePath);
done();
});
});
});
it('should not prematurely filter dirs against complex globstar patterns', function(done) {
var spy = sinon.spy();
var deepFile = getFixturePath('subdir/subsub/subsubsub/a.txt');
var watchPath = getGlobPath('../../test-*/' + subdir + '/**/subsubsub/*.txt');
fs.mkdirSync(getFixturePath('subdir'), 0x1ed);
fs.mkdirSync(getFixturePath('subdir/subsub'), 0x1ed);
fs.mkdirSync(getFixturePath('subdir/subsub/subsubsub'), 0x1ed);
fs.writeFileSync(deepFile, 'b');
watcher = chokidar.watch(watchPath, options)
.on('all', spy)
.on('ready', function() {
w(fs.writeFile.bind(fs, deepFile, Date.now(), simpleCb))();
waitFor([[spy, 2]], function() {
spy.should.have.been.calledWith('add', deepFile);
spy.should.have.been.calledWith('change', deepFile);
done();
});
});
});
it('should emit matching dir events', function(done) {
var spy = sinon.spy();
// test with and without globstar matches
var watchPaths = [getGlobPath('*'), getGlobPath('subdir/subsub/**/*')];
var deepDir = getFixturePath('subdir/subsub/subsubsub');
var deepFile = sysPath.join(deepDir, 'a.txt');
fs.mkdirSync(getFixturePath('subdir'), 0x1ed);
fs.mkdirSync(getFixturePath('subdir/subsub'), 0x1ed);
watcher = chokidar.watch(watchPaths, options)
.on('all', spy)
.on('ready', function() {
spy.should.have.been.calledWith('addDir', getFixturePath('subdir'));
spy.withArgs('addDir').should.have.been.calledOnce;
fs.mkdirSync(deepDir, 0x1ed);
fs.writeFileSync(deepFile, Date.now());
waitFor([[spy.withArgs('addDir'), 2], spy.withArgs('add', deepFile)], function() {
if (win32Polling) return done();
spy.should.have.been.calledWith('addDir', deepDir);
fs.unlinkSync(deepFile);
fs.rmdirSync(deepDir);
waitFor([spy.withArgs('unlinkDir')], function() {
spy.should.have.been.calledWith('unlinkDir', deepDir);
done();
});
});
});
});
it('should correctly handle glob with braces', function(done) {
var spy = sinon.spy();
var watchPath = upath.normalizeSafe(getGlobPath('{subdir/*,subdir1/subsub1}/subsubsub/*.txt'));
var deepFileA = getFixturePath('subdir/subsub/subsubsub/a.txt');
var deepFileB = getFixturePath('subdir1/subsub1/subsubsub/a.txt');
fs.mkdirSync(getFixturePath('subdir'), 0x1ed);
fs.mkdirSync(getFixturePath('subdir/subsub'), 0x1ed);
fs.mkdirSync(getFixturePath('subdir/subsub/subsubsub'), 0x1ed);
fs.mkdirSync(getFixturePath('subdir1'), 0x1ed);
fs.mkdirSync(getFixturePath('subdir1/subsub1'), 0x1ed);
fs.mkdirSync(getFixturePath('subdir1/subsub1/subsubsub'), 0x1ed);
fs.writeFileSync(deepFileA, Date.now());
fs.writeFileSync(deepFileB, Date.now());
watcher = chokidar.watch(watchPath, options)
.on('all', spy)
.on('ready', function() {
spy.should.have.been.calledWith('add', deepFileA);
spy.should.have.been.calledWith('add', deepFileB);
fs.appendFileSync(deepFileA, Date.now());
fs.appendFileSync(deepFileB, Date.now());
waitFor([[spy, 4]], function() {
spy.should.have.been.calledWith('change', deepFileA);
spy.should.have.been.calledWith('change', deepFileB);
done();
});
});
});
});
describe('watch symlinks', function() {
if (os === 'win32') return;
before(closeWatchers);
var linkedDir;
beforeEach(function(done) {
linkedDir = sysPath.resolve(fixturesPath, '..', subdir + '-link');
fs.symlink(fixturesPath, linkedDir, function() {
fs.mkdir(getFixturePath('subdir'), 0x1ed, function() {
fs.writeFile(getFixturePath('subdir/add.txt'), 'b', done);
});
});
});
afterEach(function(done) {
fs.unlink(linkedDir, done);
});
it('should watch symlinked dirs', function(done) {
var dirSpy = sinon.spy(function dirSpy(){});
var addSpy = sinon.spy(function addSpy(){});
watcher = chokidar.watch(linkedDir, options)
.on('addDir', dirSpy)
.on('add', addSpy)
.on('ready', function() {
dirSpy.should.have.been.calledWith(linkedDir);
addSpy.should.have.been.calledWith(sysPath.join(linkedDir, 'change.txt'));
addSpy.should.have.been.calledWith(sysPath.join(linkedDir, 'unlink.txt'));
done();
});
});
it('should watch symlinked files', function(done) {
var spy = sinon.spy();
var changePath = getFixturePath('change.txt');
var linkPath = getFixturePath('link.txt');
fs.symlinkSync(changePath, linkPath);
watcher = chokidar.watch(linkPath, options)
.on('all', spy)
.on('ready', function() {
fs.writeFile(changePath, Date.now(), simpleCb);
waitFor([spy.withArgs('change')], function() {
spy.should.have.been.calledWith('add', linkPath);
spy.should.have.been.calledWith('change', linkPath);
done();
});
});
});
it('should follow symlinked files within a normal dir', function(done) {
var spy = sinon.spy();
var changePath = getFixturePath('change.txt');
var linkPath = getFixturePath('subdir/link.txt');
fs.symlinkSync(changePath, linkPath);
watcher = chokidar.watch(getFixturePath('subdir'), options)
.on('all', spy)
.on('ready', function() {
fs.writeFile(changePath, Date.now(), simpleCb);
waitFor([spy.withArgs('change', linkPath)], function() {
spy.should.have.been.calledWith('add', linkPath);
spy.should.have.been.calledWith('change', linkPath);
done();
});
});
});
it('should watch paths with a symlinked parent', function(done) {
var spy = sinon.spy();
var testDir = sysPath.join(linkedDir, 'subdir');
var testFile = sysPath.join(testDir, 'add.txt');
watcher = chokidar.watch(testDir, options)
.on('all', spy)
.on('ready', function() {
spy.should.have.been.calledWith('addDir', testDir);
spy.should.have.been.calledWith('add', testFile);
fs.writeFile(getFixturePath('subdir/add.txt'), Date.now(), simpleCb);
waitFor([spy.withArgs('change')], function() {
spy.should.have.been.calledWith('change', testFile);
done();
});
});
});
it('should not recurse indefinitely on circular symlinks', function(done) {
fs.symlinkSync(fixturesPath, getFixturePath('subdir/circular'));
stdWatcher().on('ready', done);
});
it('should recognize changes following symlinked dirs', function(done) {
var spy = sinon.spy(function changeSpy(){});
watcher = chokidar.watch(linkedDir, options)
.on('change', spy)
.on('ready', function() {
var linkedFilePath = sysPath.join(linkedDir, 'change.txt');
fs.writeFile(getFixturePath('change.txt'), Date.now(), simpleCb);
waitFor([spy.withArgs(linkedFilePath)], function() {
spy.should.have.been.calledWith(linkedFilePath);
done();
});
});
});
it('should follow newly created symlinks', function(done) {
options.ignoreInitial = true;
var spy = sinon.spy();
stdWatcher()
.on('all', spy)
.on('ready', function() {
w(fs.symlink.bind(fs, getFixturePath('subdir'), getFixturePath('link'), simpleCb))();
waitFor([
spy.withArgs('add', getFixturePath('link/add.txt')),
spy.withArgs('addDir', getFixturePath('link'))
], function() {
spy.should.have.been.calledWith('addDir', getFixturePath('link'));
spy.should.have.been.calledWith('add', getFixturePath('link/add.txt'));
done();
});
});
});
it('should watch symlinks as files when followSymlinks:false', function(done) {
options.followSymlinks = false;
var spy = sinon.spy();
watcher = chokidar.watch(linkedDir, options)
.on('all', spy)
.on('ready', function() {
spy.should.not.have.been.calledWith('addDir');
spy.should.have.been.calledWith('add', linkedDir);
spy.should.have.been.calledOnce;
done();
});
});
it('should watch symlinks within a watched dir as files when followSymlinks:false', function(done) {
options.followSymlinks = false;
var spy = sinon.spy();
var linkPath = getFixturePath('link');
fs.symlinkSync(getFixturePath('subdir'), linkPath);
stdWatcher()
.on('all', spy)
.on('ready', function() {
w(function() {
fs.writeFileSync(getFixturePath('subdir/add.txt'), Date.now());
fs.unlinkSync(linkPath);
fs.symlinkSync(getFixturePath('subdir/add.txt'), linkPath);
}, options.usePolling ? 1200 : 300)();
waitFor([spy.withArgs('change', linkPath)], function() {
spy.should.not.have.been.calledWith('addDir', linkPath);
spy.should.not.have.been.calledWith('add', getFixturePath('link/add.txt'));
spy.should.have.been.calledWith('add', linkPath);
spy.should.have.been.calledWith('change', linkPath);
done();
});
});
});
it('should not reuse watcher when following a symlink to elsewhere', function(done) {
var spy = sinon.spy();
var linkedPath = getFixturePath('outside');
var linkedFilePath = sysPath.join(linkedPath, 'text.txt');
var linkPath = getFixturePath('subdir/subsub');
fs.mkdirSync(linkedPath, 0x1ed);
fs.writeFileSync(linkedFilePath, 'b');
fs.symlinkSync(linkedPath, linkPath);
watcher2 = chokidar.watch(getFixturePath('subdir'), options)
.on('ready', w(function() {
var watchedPath = getFixturePath('subdir/subsub/text.txt');
watcher = chokidar.watch(watchedPath, options)
.on('all', spy)
.on('ready', w(function() {
fs.writeFile(linkedFilePath, Date.now(), simpleCb);
waitFor([spy.withArgs('change')], function() {
spy.should.have.been.calledWith('change', watchedPath);
done();
});
}));
}, options.usePolling ? 900 : undefined));
});
it('should properly match glob patterns that include a symlinked dir', function(done) {
var dirSpy = sinon.spy(function dirSpy(){});
var addSpy = sinon.spy(function addSpy(){});
// test with relative path to ensure proper resolution
var watchDir = upath.relative(process.cwd(), linkedDir);
watcher = chokidar.watch(upath.join(watchDir, '**/*'), options)
.on('addDir', dirSpy)
.on('add', addSpy)
.on('ready', function() {
// only the children are matched by the glob pattern, not the link itself
addSpy.should.have.been.calledWith(sysPath.join(watchDir, 'change.txt'));
addSpy.should.have.been.calledThrice; // also unlink.txt & subdir/add.txt
dirSpy.should.have.been.calledWith(sysPath.join(watchDir, 'subdir'));
fs.writeFile(sysPath.join(watchDir, 'add.txt'), simpleCb);
waitFor([[addSpy, 4]], function() {
addSpy.should.have.been.calledWith(sysPath.join(watchDir, 'add.txt'));
done();
});
});
});
});
describe('watch arrays of paths/globs', function() {
before(closeWatchers);
it('should watch all paths in an array', function(done) {
var spy = sinon.spy();
var testPath = getFixturePath('change.txt');