webpack/test/NodeWatchFileSystem.test.js

Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jade, coffee, css, less, ... and your custom stuff.

var should = require("should");
var path = require("path");
var fs = require("fs");

var NodeWatchFileSystem = require("../lib/node/NodeWatchFileSystem");

var fixtures = path.join(__dirname, "fixtures");
var fileDirect = path.join(fixtures, "watched-file.txt");
var fileSubdir = path.join(fixtures, "subdir", "watched-file.txt");

function simpleObject(key, value) {
	var obj = {};
	obj[key] = value;
	return obj;
}

describe("NodeWatchFileSystem", function() {
	this.timeout(5000);
	it("should register a file change (change delayed)", function(done) {
		var startTime = new Date().getTime();
		new NodeWatchFileSystem().watch([fileDirect], [], startTime, 1000, function(err, filesModified, dirsModified, fileTimestamps, dirTimestamps) {
			if(err) throw err;
			filesModified.should.be.eql([fileDirect]);
			dirsModified.should.be.eql([]);
			fileTimestamps.should.have.property(fileDirect).have.type("number");
			dirTimestamps.should.be.eql({});
			done();
		});

		setTimeout(function() {
			fs.writeFile(fileDirect, "", function() {});
		}, 500);
	});
	it("should register a file change (watch delayed)", function(done) {
		var startTime = new Date().getTime();
		setTimeout(function() {
			new NodeWatchFileSystem().watch([fileDirect], [], startTime, 1000, function(err, filesModified, dirsModified, fileTimestamps, dirTimestamps) {
				if(err) throw err;
				filesModified.should.be.eql([fileDirect]);
				dirsModified.should.be.eql([]);
				fileTimestamps.should.have.property(fileDirect).have.type("number");
				dirTimestamps.should.be.eql({});
				done();
			});
		}, 500);

		fs.writeFile(fileDirect, "", function() {});
	});
	it("should register a context change (change delayed)", function(done) {
		var startTime = new Date().getTime();
		new NodeWatchFileSystem().watch([], [fixtures], startTime, 1000, function(err, filesModified, dirsModified, fileTimestamps, dirTimestamps) {
			if(err) throw err;
			filesModified.should.be.eql([]);
			dirsModified.should.be.eql([fixtures]);
			fileTimestamps.should.be.eql({});
			dirTimestamps.should.have.property(fixtures).have.type("number");
			done();
		});

		setTimeout(function() {
			fs.writeFile(fileDirect, "", function() {});
		}, 500);
	});
	it("should register a context change (watch delayed)", function(done) {
		var startTime = new Date().getTime();
		setTimeout(function() {
			new NodeWatchFileSystem().watch([], [fixtures], startTime, 1000, function(err, filesModified, dirsModified, fileTimestamps, dirTimestamps) {
				if(err) throw err;
				filesModified.should.be.eql([]);
				dirsModified.should.be.eql([fixtures]);
				fileTimestamps.should.be.eql({});
				dirTimestamps.should.have.property(fixtures).have.type("number");
				done();
			});
		}, 500);

		fs.writeFile(fileDirect, "", function() {});
	});
	it("should register a context change (change delayed, subdirectory)", function(done) {
		var startTime = new Date().getTime();
		new NodeWatchFileSystem().watch([], [fixtures], startTime, 1000, function(err, filesModified, dirsModified, fileTimestamps, dirTimestamps) {
			if(err) throw err;
			filesModified.should.be.eql([]);
			dirsModified.should.be.eql([fixtures]);
			fileTimestamps.should.be.eql({});
			dirTimestamps.should.have.property(fixtures).have.type("number");
			done();
		});

		setTimeout(function() {
			fs.writeFile(fileSubdir, "", function() {});
		}, 500);
	});
	it("should register a context change (watch delayed, subdirectory)", function(done) {
		var startTime = new Date().getTime();
		setTimeout(function() {
			new NodeWatchFileSystem().watch([], [fixtures], startTime, 1000, function(err, filesModified, dirsModified, fileTimestamps, dirTimestamps) {
				if(err) throw err;
				filesModified.should.be.eql([]);
				dirsModified.should.be.eql([fixtures]);
				fileTimestamps.should.be.eql({});
				dirTimestamps.should.have.property(fixtures).have.type("number");
				done();
			});
		}, 500);

		fs.writeFile(fileSubdir, "", function() {});
	});
	it("should allow to combine all", function(done) {
		var startTime = new Date().getTime();
		setTimeout(function() {
			new NodeWatchFileSystem().watch([fileDirect, fileSubdir], [fixtures], startTime, 1000, function(err, filesModified, dirsModified, fileTimestamps, dirTimestamps) {
				if(err) throw err;
				filesModified.should.be.eql([fileSubdir, fileDirect]);
				dirsModified.should.be.eql([fixtures]);
				fileTimestamps.should.have.property(fileDirect).have.type("number");
				fileTimestamps.should.have.property(fileSubdir).have.type("number");
				dirTimestamps.should.have.property(fixtures).have.type("number");
				done();
			});
		}, 500);

		fs.writeFile(fileDirect, "", function() {});
		fs.writeFile(fileSubdir, "", function() {});
	});
	it("should sum up multiple changes", function(done) {
		var startTime = new Date().getTime();
			new NodeWatchFileSystem().watch([fileDirect, fileSubdir], [fixtures], startTime, 1000, function(err, filesModified, dirsModified, fileTimestamps, dirTimestamps) {
				if(err) throw err;
				filesModified.should.be.eql([fileSubdir, fileDirect]);
				dirsModified.should.be.eql([fixtures]);
				fileTimestamps.should.have.property(fileDirect).have.type("number");
				fileTimestamps.should.have.property(fileSubdir).have.type("number");
				dirTimestamps.should.have.property(fixtures).have.type("number");
				done();
			});

		setTimeout(function() {
			fs.writeFile(fileDirect, "", function() {});
			setTimeout(function() {
				fs.writeFile(fileDirect, "", function() {});
				setTimeout(function() {
					fs.writeFile(fileDirect, "", function() {});
					setTimeout(function() {
						fs.writeFile(fileSubdir, "", function() {});
					}, 500);
				}, 500);
			}, 500);
		}, 500);
	});
});