gistfile1.js

r path = require("path");

module.exports = function (grunt) {

	function runTests (browser, done) {
		var bin         = path.join(__dirname, "bin");
		var environment = Object.create(process.env);
		var options     = {
			cmd  : "mocha",
			args : [ "--reporter", "spec", "--timeout", "30000", "specs/*.js" ],
			opts : { stdio : "inherit" }
		};

		function checkResult (error) {
			if (error) {
				grunt.fail.fatal("Some tests failed.");
			}
			else {
				grunt.log.ok("All tests passed.");
			}
			done();
		}

		// Configure environment for child process.
		environment.BROWSER = browser;
		environment.PATH    = environment.PATH.split(path.delimiter).concat(bin).join(path.delimiter);
		options.opts.env    = environment;

		grunt.util.spawn(options, checkResult);
	}

	grunt.initConfig({

		jshint : {
			options : {
				bitwise       : true,
				camelcase     : true,
				curly         : true,
				eqeqeq        : true,
				es3           : false,
				forin         : false,
				immed         : true,
				indent        : 4,
				latedef       : true,
				newcap        : true,
				noarg         : true,
				noempty       : true,
				nonew         : true,
				plusplus      : true,
				quotmark      : "double",
				undef         : true,
				unused        : true,
				strict        : false,
				trailing      : true,
				maxparams     : 3,
				maxdepth      : 3,
				maxstatements : false,
				maxlen        : 120,

				expr : true,

				globals : {
					after      : false,
					before     : false,
					afterEach  : false,
					beforeEach : false,
					describe   : false,
					it         : false
				},

				node : true,

				ignores : [ "node_modules/**/*.js" ]
			},

			src : "**/*.js"
		}

	});

	grunt.loadNpmTasks("grunt-contrib-jshint");

	grunt.registerTask("chrome", "Run the UI tests in Chrome.", [ "chrome-driver", "chrome-test" ]);

	grunt.registerTask("chrome-driver", "Download the appropriate Chrome driver.", function () {
		var done = this.async();

		var options = {
			cmd  : "lib/prepare-chrome.sh",
			args : [],
			opts : { stdio : "inherit" }
		};

		function checkResult (error) {
			if (error) {
				grunt.fail.fatal("Failed to setup the Chrome driver.");
			}
			else {
				grunt.log.ok("Successfully setup the Chrome driver.");
			}
			done();
		}

		grunt.util.spawn(options, checkResult);
	});

	grunt.registerTask("chrome-test", "Execute the test cases in Chrome.", function () {
		var done = this.async();

		runTests("chrome", done);
	});

	grunt.registerTask("default", [ "lint", "test" ]);

	grunt.registerTask("lint", "Check for common code problems.", [ "jshint" ]);

	grunt.registerTask("test", "Run the test suite on all browsers.", [ "chrome" ]);

};