Running All Test Files in Mocha

run-tests.js

var fs = require("fs"),
	path = require("path"),
	cp = require("child_process");

var conventionalTestDirectories = [".\\test", ".\\tests"],
	conventionChain = function() {};

function checkForDirectoryExists(directoryPath, nextDirectory, executeTests) {
	console.log("Checking for tests in " + directoryPath);
	path.exists(directoryPath, function(exists) {
		if (exists) {
			executeTests(directoryPath);
		} else if (!nextDirectory) {
			console.log("Could not find any tests to run.");
		} else {
			nextDirectory();
		}
	});
}

function executeAllTestsInDirectory(directoryPath) {
	var command = "";

	fs.readdir(directoryPath, function(err, files) {
		for(var i = 0; i < files.length; i++) {
			files[i] = directoryPath + "\\" + files[i];
		}
		
		command = "node node_modules\\mocha\\bin\\mocha " + files.join(" ");
		console.log("found " + files.length + " files in " + directoryPath);
		console.log("running command: " + command);
		cp.exec(command, function (error, stdout, stderr) {
		    console.log(stdout);
		    console.log(stderr);
		    if (error !== null) {
		      console.log('exec error: ' + error);
		    }
		});
	});
}

for(var i = 0; i < conventionalTestDirectories.length; i++) {
	conventionChain = (function(testDirectory, previousDirectory, i) {
		return function() { checkForDirectoryExists(testDirectory, previousDirectory, executeAllTestsInDirectory); };
	})(conventionalTestDirectories[i], conventionChain, i);
}

conventionChain();