sky/tests/resources/mocha.sky

<script>

// FIXME: This really could be trimmed down from all the generic and commonjs crap.

;(function(){

// CommonJS require()

function require(p){
    var path = require.resolve(p)
      , mod = require.modules[path];
    if (!mod) throw new Error('failed to require "' + p + '"');
    if (!mod.exports) {
      mod.exports = {};
      mod.call(mod.exports, mod, mod.exports, require.relative(path));
    }
    return mod.exports;
  }

require.modules = {};

require.resolve = function (path){
    var orig = path
      , reg = path + '.js'
      , index = path + '/index.js';
    return require.modules[reg] && reg
      || require.modules[index] && index
      || orig;
  };

require.register = function (path, fn){
    require.modules[path] = fn;
  };

require.relative = function (parent) {
    return function(p){
      if ('.' != p.charAt(0)) return require(p);

      var path = parent.split('/')
        , segs = p.split('/');
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        else if ('.' != seg) path.push(seg);
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      return require(path.join('/'));
    };
  };


require.register("browser/debug.js", function(module, exports, require){

module.exports = function(type){
  return function(){
  }
};

}); // module: browser/debug.js

require.register("browser/events.js", function(module, exports, require){

/**
 * Module exports.
 */

exports.EventEmitter = EventEmitter;

/**
 * Check if `obj` is an array.
 */

function isArray(obj) {
  return '[object Array]' == {}.toString.call(obj);
}

/**
 * Event emitter constructor.
 *
 * @api public
 */

function EventEmitter(){};

/**
 * Adds a listener.
 *
 * @api public
 */

EventEmitter.prototype.on = function (name, fn) {
  if (!this.$events) {
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};

EventEmitter.prototype.addListener = EventEmitter.prototype.on;

/**
 * Adds a volatile listener.
 *
 * @api public
 */

EventEmitter.prototype.once = function (name, fn) {
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  function on () {
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    fn.apply(this, arguments);
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  on.listener = fn;
  this.on(name, on);

  return this;
};

/**
 * Removes a listener.
 *
 * @api public
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EventEmitter.prototype.removeListener = function (name, fn) {
  if (this.$events && this.$events[name]) {
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};

/**
 * Removes all listeners for an event.
 *
 * @api public
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EventEmitter.prototype.removeAllListeners = function (name) {
  if (name === undefined) {
    this.$events = {};
    return this;
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  if (this.$events && this.$events[name]) {
    this.$events[name] = null;
  }

  return this;
};

/**
 * Gets all listeners for a certain event.
 *
 * @api public
 */

EventEmitter.prototype.listeners = function (name) {
  if (!this.$events) {
    this.$events = {};
  }

  if (!this.$events[name]) {
    this.$events[name] = [];
  }

  if (!isArray(this.$events[name])) {
    this.$events[name] = [this.$events[name]];
  }

  return this.$events[name];
};

/**
 * Emits an event.
 *
 * @api public
 */

EventEmitter.prototype.emit = function (name) {
  if (!this.$events) {
    return false;
  }

  var handler = this.$events[name];

  if (!handler) {
    return false;
  }

  var args = [].slice.call(arguments, 1);

  if ('function' == typeof handler) {
    handler.apply(this, args);
  } else if (isArray(handler)) {
    var listeners = handler.slice();

    for (var i = 0, l = listeners.length; i < l; i++) {
      listeners[i].apply(this, args);
    }
  } else {
    return false;
  }

  return true;
};
}); // module: browser/events.js

require.register("browser/path.js", function(module, exports, require){

}); // module: browser/path.js

require.register("context.js", function(module, exports, require){

/**
 * Expose `Context`.
 */

module.exports = Context;

/**
 * Initialize a new `Context`.
 *
 * @api private
 */

function Context(){}

/**
 * Set or get the context `Runnable` to `runnable`.
 *
 * @param {Runnable} runnable
 * @return {Context}
 * @api private
 */

Context.prototype.runnable = function(runnable){
  if (0 == arguments.length) return this._runnable;
  this.test = this._runnable = runnable;
  return this;
};

/**
 * Set test timeout `ms`.
 *
 * @param {Number} ms
 * @return {Context} self
 * @api private
 */

Context.prototype.timeout = function(ms){
  if (arguments.length === 0) return this.runnable().timeout();
  this.runnable().timeout(ms);
  return this;
};

/**
 * Set test timeout `enabled`.
 *
 * @param {Boolean} enabled
 * @return {Context} self
 * @api private
 */

Context.prototype.enableTimeouts = function (enabled) {
  this.runnable().enableTimeouts(enabled);
  return this;
};


/**
 * Set test slowness threshold `ms`.
 *
 * @param {Number} ms
 * @return {Context} self
 * @api private
 */

Context.prototype.slow = function(ms){
  this.runnable().slow(ms);
  return this;
};

/**
 * Inspect the context void of `._runnable`.
 *
 * @return {String}
 * @api private
 */

Context.prototype.inspect = function(){
  return JSON.stringify(this, function(key, val){
    if ('_runnable' == key) return;
    if ('test' == key) return;
    return val;
  }, 2);
};

}); // module: context.js

require.register("hook.js", function(module, exports, require){

/**
 * Module dependencies.
 */

var Runnable = require('./runnable');

/**
 * Expose `Hook`.
 */

module.exports = Hook;

/**
 * Initialize a new `Hook` with the given `title` and callback `fn`.
 *
 * @param {String} title
 * @param {Function} fn
 * @api private
 */

function Hook(title, fn) {
  Runnable.call(this, title, fn);
  this.type = 'hook';
}

/**
 * Inherit from `Runnable.prototype`.
 */

function F(){};
F.prototype = Runnable.prototype;
Hook.prototype = new F;
Hook.prototype.constructor = Hook;


/**
 * Get or set the test `err`.
 *
 * @param {Error} err
 * @return {Error}
 * @api public
 */

Hook.prototype.error = function(err){
  if (0 == arguments.length) {
    var err = this._error;
    this._error = null;
    return err;
  }

  this._error = err;
};

}); // module: hook.js

require.register("interfaces/bdd.js", function(module, exports, require){

/**
 * Module dependencies.
 */

var Suite = require('../suite')
  , Test = require('../test')
  , utils = require('../utils');

/**
 * BDD-style interface:
 *
 *      describe('Array', function(){
 *        describe('#indexOf()', function(){
 *          it('should return -1 when not present', function(){
 *
 *          });
 *
 *          it('should return the index when present', function(){
 *
 *          });
 *        });
 *      });
 *
 */

module.exports = function(suite){
  var suites = [suite];

  suite.on('pre-require', function(context, file, mocha){

    /**
     * Execute before running tests.
     */

    context.before = function(name, fn){
      suites[0].beforeAll(name, fn);
    };

    /**
     * Execute after running tests.
     */

    context.after = function(name, fn){
      suites[0].afterAll(name, fn);
    };

    /**
     * Execute before each test case.
     */

    context.beforeEach = function(name, fn){
      suites[0].beforeEach(name, fn);
    };

    /**
     * Execute after each test case.
     */

    context.afterEach = function(name, fn){
      suites[0].afterEach(name, fn);
    };

    /**
     * Describe a "suite" with the given `title`
     * and callback `fn` containing nested suites
     * and/or tests.
     */

    context.describe = context.context = function(title, fn){
      var suite = Suite.create(suites[0], title);
      suite.file = file;
      suites.unshift(suite);
      fn.call(suite);
      suites.shift();
      return suite;
    };

    /**
     * Pending describe.
     */

    context.describe.skip = function(title, fn){
      var suite = Suite.create(suites[0], title);
      suite.pending = true;
      suites.unshift(suite);
      fn.call(suite);
      suites.shift();
    };

    context.describe.only = function(title, fn){
      var suite = context.describe(title, fn);
      mocha.grep(suite.fullTitle());
      return suite;
    };


    /**
     * Describe a specification or test-case
     * with the given `title` and callback `fn`
     * acting as a thunk.
     */

    context.it = function(title, fn){
      var suite = suites[0];
      if (suite.pending) var fn = null;
      var test = new Test(title, fn);
      test.file = file;
      suite.addTest(test);
      return test;
    };

    context.it.only = function(title, fn){
      var test = context.it(title, fn);
      var reString = '^' + utils.escapeRegexp(test.fullTitle()) + '$';
      mocha.grep(new RegExp(reString));
      return test;
    };


    /**
     * Pending test case.
     */

    context.it.skip = function(title){
      context.it(title);
    };
  });
};

}); // module: interfaces/bdd.js

require.register("interfaces/exports.js", function(module, exports, require){

/**
 * Module dependencies.
SGMcan */

var Suite = require('../suite')
  , Test = require('../test');

/**
 * TDD-style interface:
 *
 *     exports.Array = {
 *       '#indexOf()': {
 *         'should return -1 when the value is not present': function(){
 *
 *         },
 *
 *         'should return the correct index when the value is present': function(){
 *
 *         }
 *       }
 *     };
 *
 */

module.exports = function(suite){
  var suites = [suite];

  suite.on('require', visit);

  function visit(obj, file) {
    var suite;
    for (var key in obj) {
      if ('function' == typeof obj[key]) {
        var fn = obj[key];
        switch (key) {
          case 'before':
            suites[0].beforeAll(fn);
            break;
          case 'after':
            suites[0].afterAll(fn);
            break;
          case 'beforeEach':
            suites[0].beforeEach(fn);
            break;
          case 'afterEach':
            suites[0].afterEach(fn);
            break;
          default:
            var test = new Test(key, fn);
            test.file = file;
            suites[0].addTest(test);
        }
      } else {
        var suite = Suite.create(suites[0], key);
        suites.unshift(suite);
        visit(obj[key]);
        suites.shift();
      }
    }
  }
};

}); // module: interfaces/exports.js

require.register("interfaces/index.js", function(module, exports, require){

exports.bdd = require('./bdd');
exports.exports = require('./exports');

}); // module: interfaces/index.js

require.register("mocha.js", function(module, exports, require){
/*!
 * mocha
 * Copyright(c) 2011 TJ Holowaychuk <tj@vision-media.ca>
 * MIT Licensed
 */

/**
 * Module dependencies.
 */

var path = require('browser/path')
  , utils = require('./utils');

/**
 * Expose `Mocha`.
 */

exports = module.exports = Mocha;

/**
 * To require local UIs and reporters when running in node.
 */

if (typeof process !== 'undefined' && typeof process.cwd === 'function') {
  var join = path.join
    , cwd = process.cwd();
  module.paths.push(cwd, join(cwd, 'node_modules'));
}

/**
 * Expose internals.
 */

exports.utils = utils;
exports.interfaces = require('./interfaces');
exports.reporters = require('./reporters');
exports.Runnable = require('./runnable');
exports.Context = require('./context');
exports.Runner = require('./runner');
exports.Suite = require('./suite');
exports.Hook = require('./hook');
exports.Test = require('./test');

/**
 * Setup mocha with `options`.
 *
 * Options:
 *
 *   - `ui` name "bdd", "tdd", "exports" etc
 *   - `reporter` reporter instance, defaults to `mocha.reporters.spec`
 *   - `timeout` timeout in milliseconds
 *   - `bail` bail on the first test failure
 *   - `slow` milliseconds to wait before considering a test slow
 *
 * @param {Object} options
 * @api public
 */

function Mocha(options) {
  options = options || {};
  this.files = [];
  this.options = options;
  this.grep(options.grep);
  this.suite = new exports.Suite('', new exports.Context);
  this.ui(options.ui);
  this.bail(options.bail);
  this.reporter();
  if (null != options.timeout) this.timeout(options.timeout);
  if (options.enableTimeouts !== null) this.enableTimeouts(options.enableTimeouts);
  if (options.slow) this.slow(options.slow);

  this.suite.on('pre-require', function (context) {
    exports.afterEach = context.afterEach;
    exports.after = context.after;
    exports.beforeEach = context.beforeEach;
    exports.before = context.before;
    exports.describe = context.describe;
    exports.it = context.it;
  });
}

/**
 * Enable or disable bailing on the first failure.
 *
 * @param {Boolean} [bail]
 * @api public
 */

Mocha.prototype.bail = function(bail){
  if (0 == arguments.length) bail = true;
  this.suite.bail(bail);
  return this;
};

/**
 * Set reporter to `reporter`, defaults to "spec".
 *
 * @param {String|Function} reporter name or constructor
 * @api public
 */

Mocha.prototype.reporter = function(){
  var _reporter = require('./reporters/tap');
  this._reporter = _reporter;
};

/**
 * Set test UI `name`, defaults to "bdd".
 *
 * @param {String} bdd
 * @api public
 */

Mocha.prototype.ui = function(name){
  name = name || 'bdd';
  this._ui = exports.interfaces[name];
  if (!this._ui) try { this._ui = require(name); } catch (err) {};
  if (!this._ui) throw new Error('invalid interface "' + name + '"');
  this._ui = this._ui(this.suite);
  return this;
};

Mocha.prototype.grep = function(re){
  this.options.grep = 'string' == typeof re
    ? new RegExp(utils.escapeRegexp(re))
    : re;
  return this;
};

/**
 * Set the timeout in milliseconds.
 *
 * @param {Number} timeout
 * @return {Mocha}
 * @api public
 */

Mocha.prototype.timeout = function(timeout){
  this.suite.timeout(timeout);
  return this;
};

/**
 * Set slowness threshold in milliseconds.
 *
 * @param {Number} slow
 * @return {Mocha}
 * @api public
 */

Mocha.prototype.slow = function(slow){
  this.suite.slow(slow);
  return this;
};

/**
 * Enable timeouts.
 *
 * @param {Boolean} enabled
 * @return {Mocha}
 * @api public
 */

Mocha.prototype.enableTimeouts = function(enabled) {
  this.suite.enableTimeouts(arguments.length && enabled !== undefined
    ? enabled
    : true);
  return this
};

/**
 * Makes all tests async (accepting a callback)
 *
 * @return {Mocha}
 * @api public
 */

Mocha.prototype.asyncOnly = function(){
  this.options.asyncOnly = true;
  return this;
};

/**
 * Run tests and invoke `fn()` when complete.
 *
 * @param {Function} fn
 * @return {Runner}
 * @api public
 */

Mocha.prototype.run = function(fn){
  var suite = this.suite;
  var options = this.options;
  options.files = this.files;
  var runner = new exports.Runner(suite);
  var reporter = new this._reporter(runner, options);
  if (options.grep) runner.grep(options.grep);
  return runner.run(fn);
};

}); // module: mocha.js

require.register("ms.js", function(module, exports, require){
/**
 * Helpers.
 */

var s = 1000;
var m = s * 60;
var h = m * 60;
var d = h * 24;
var y = d * 365.25;

/**
 * Parse or format the given `val`.
 *
 * Options:
 *
 *  - `long` verbose formatting [false]
 *
 * @param {String|Number} val
 * @param {Object} options
 * @return {String|Number}
 * @api public
 */

module.exports = function(val, options){
  options = options || {};
  if ('string' == typeof val) return parse(val);
  return options.long ? longFormat(val) : shortFormat(val);
};

/**
 * Parse the given `str` and return milliseconds.
 *
 * @param {String} str
 * @return {Number}
 * @api private
 */

function parse(str) {
  var match = /^((?:\d+)?\.?\d+) *(ms|seconds?|s|minutes?|m|hours?|h|days?|d|years?|y)?$/i.exec(str);
  if (!match) return;
  var n = parseFloat(match[1]);
  var type = (match[2] || 'ms').toLowerCase();
  switch (type) {
    case 'years':
    case 'year':
    case 'y':
      return n * y;
    case 'days':
    case 'day':
    case 'd':
      return n * d;
    case 'hours':
    case 'hour':
    case 'h':
      return n * h;
    case 'minutes':
    case 'minute':
    case 'm':
      return n * m;
    case 'seconds':
    case 'second':
    case 's':
      return n * s;
    case 'ms':
      return n;
  }
}

/**
 * Short format for `ms`.
 *
 * @param {Number} ms
 * @return {String}
 * @api private
 */

function shortFormat(ms) {
  if (ms >= d) return Math.round(ms / d) + 'd';
  if (ms >= h) return Math.round(ms / h) + 'h';
  if (ms >= m) return Math.round(ms / m) + 'm';
  if (ms >= s) return Math.round(ms / s) + 's';
  return ms + 'ms';
}

/**
 * Long format for `ms`.
 *
 * @param {Number} ms
 * @return {String}
 * @api private
 */

function longFormat(ms) {
  return plural(ms, d, 'day')
    || plural(ms, h, 'hour')
    || plural(ms, m, 'minute')
    || plural(ms, s, 'second')
    || ms + ' ms';
}

/**
 * Pluralization helper.
 */

function plural(ms, n, name) {
  if (ms < n) return;
  if (ms < n * 1.5) return Math.floor(ms / n) + ' ' + name;
  return Math.ceil(ms / n) + ' ' + name + 's';
}

}); // module: ms.js

require.register("reporters/base.js", function(module, exports, require){

/**
 * Module dependencies.
 */

var ms = require('../ms')
  , utils = require('../utils');


/**
 * Expose `Base`.
 */

exports = module.exports = Base;

/**
 * Enable coloring by default.
 */

exports.useColors = false;

/**
 * Inline diffs instead of +/-
 */

exports.inlineDiffs = false;

/**
 * Default symbol map.
 */

exports.symbols = {
  ok: '✓',
  err: '✖',
  dot: '․'
};

/**
 * Expose term window size, with some
 * defaults for when stderr is not a tty.
 */

exports.window = {
  width: 75
};


/**
 * Outut the given `failures` as a list.
 *
 * @param {Array} failures
 * @api public
 */

exports.list = function(failures){

};

/**
 * Initialize a new `Base` reporter.
 *
 * All other reporters generally
 * inherit from this reporter, providing
 * stats such as test duration, number
 * of tests passed / failed etc.
 *
 * @param {Runner} runner
 * @api public
 */

function Base(runner) {
  if (!runner) return;
  this.runner = runner;
}


}); // module: reporters/base.js

require.register("reporters/index.js", function(module, exports, require){

exports.Base = require('./base');
exports.TAP = require('./tap');

}); // module: reporters/index.js

require.register("reporters/tap.js", function(module, exports, require){

/**
 * Module dependencies.
 */

var Base = require('./base')
  , color = Base.color;


function Logger() {
  this.items = [];
}

Logger.prototype.log = function(message) {
  this.items.push(message);
}

Logger.prototype.flush = function() {
  var body = document.documentElement;
  body.textContent = '';
  body.appendChild(document.createElement('style')).textContent = 'item { display: block; }';
  this.items.forEach(function(item) {
    body.appendChild(document.createElement('item')).textContent = item;
  });
}

/**
 * Expose `TAP`.
 */

exports = module.exports = TAP;

/**
 * Initialize a new `TAP` reporter.
 *
 * @param {Runner} runner
 * @api public
 */

function TAP(runner) {
  Base.call(this, runner);
  var logger = new Logger();

  var self = this
    , stats = this.stats
    , n = 1
    , passes = 0
    , failures = 0;

  runner.on('start', function(){
    var total = runner.grepTotal(runner.suite);
    logger.log('Running ' + total + ' tests');
  });

  runner.on('test end', function(){
    ++n;
  });

  runner.on('pending', function(test){
    logger.log('ok ' + n + ' ' + title(test) + ' # SKIP -');
  });

  runner.on('pass', function(test){
    passes++;
    logger.log('ok ' + n + ' ' + title(test));
  });

  runner.on('fail', function(test, err){
    failures++;
    logger.log('not ok ' + n + ' ' + title(test));
    if (err.stack) logger.log(err.stack.replace(/^/gm, '  '));
  });

  runner.on('end', function(){
    logger.log((passes + failures) + ' tests');
    logger.log(passes + ' pass');
    logger.log(failures + ' fail');
    logger.flush();
    window.internals && window.internals.notifyTestComplete(internals.contentAsText());
  });
}

/**
 * Return a TAP-safe title of `test`
 *
 * @param {Object} test
 * @return {String}
 * @api private
 */

function title(test) {
  return test.fullTitle().replace(/#/g, '');
}

}); // module: reporters/tap.js

require.register("runnable.js", function(module, exports, require){

/**
 * Module dependencies.
 */

var EventEmitter = require('browser/events').EventEmitter
  , debug = require('browser/debug')('mocha:runnable')
  , milliseconds = require('./ms');

/**
 * Object#toString().
 */

var toString = Object.prototype.toString;

/**
 * Expose `Runnable`.
 */

module.exports = Runnable;

/**
 * Initialize a new `Runnable` with the given `title` and callback `fn`.
 *
 * @param {String} title
 * @param {Function} fn
 * @api private
 */

function Runnable(title, fn) {
  this.title = title;
  this.fn = fn;
  this.async = fn && fn.length;
  this.sync = ! this.async;
  this._timeout = 2000;
  this._slow = 75;
  this._enableTimeouts = true;
  this.timedOut = false;
}

/**
 * Inherit from `EventEmitter.prototype`.
 */

function F(){};
F.prototype = EventEmitter.prototype;
Runnable.prototype = new F;
Runnable.prototype.constructor = Runnable;


/**
 * Set & get timeout `ms`.
 *
 * @param {Number|String} ms
 * @return {Runnable|Number} ms or self
 * @api private
 */

Runnable.prototype.timeout = function(ms){
  if (0 == arguments.length) return this._timeout;
  if ('string' == typeof ms) ms = milliseconds(ms);
  debug('timeout %d', ms);
  this._timeout = ms;
  if (this.timer) this.resetTimeout();
  return this;
};

/**
 * Set & get slow `ms`.
 *
 * @param {Number|String} ms
 * @return {Runnable|Number} ms or self
 * @api private
 */

Runnable.prototype.slow = function(ms){
  if (0 === arguments.length) return this._slow;
  if ('string' == typeof ms) ms = milliseconds(ms);
  debug('timeout %d', ms);
  this._slow = ms;
  return this;
};

/**
 * Set and & get timeout `enabled`.
 *
 * @param {Boolean} enabled
 * @return {Runnable|Boolean} enabled or self
 * @api private
 */

Runnable.prototype.enableTimeouts = function(enabled){
  if (arguments.length === 0) return this._enableTimeouts;
  debug('enableTimeouts %s', enabled);
  this._enableTimeouts = enabled;
  return this;
};

/**
 * Return the full title generated by recursively
 * concatenating the parent's full title.
 *
 * @return {String}
 * @api public
 */

Runnable.prototype.fullTitle = function(){
  return this.parent.fullTitle() + ' ' + this.title;
};

/**
 * Clear the timeout.
 *
 * @api private
 */

Runnable.prototype.clearTimeout = function(){
  clearTimeout(this.timer);
};

/**
 * Inspect the runnable void of private properties.
 *
 * @return {String}
 * @api private
 */

Runnable.prototype.inspect = function(){
  return JSON.stringify(this, function(key, val){
    if ('_' == key[0]) return;
    if ('parent' == key) return '#<Suite>';
    if ('ctx' == key) return '#<Context>';
    return val;
  }, 2);
};

/**
 * Reset the timeout.
 *
 * @api private
 */

Runnable.prototype.resetTimeout = function(){
  var self = this;
  var ms = this.timeout() || 1e9;

  if (!this._enableTimeouts) return;
  this.clearTimeout();
  this.timer = setTimeout(function(){
    self.callback(new Error('timeout of ' + ms + 'ms exceeded'));
    self.timedOut = true;
  }, ms);
};

/**
 * Run the test and invoke `fn(err)`.
 *
 * @param {Function} fn
 * @api private
 */

Runnable.prototype.run = function(fn){
  var self = this
    , start = new Date
    , ctx = this.ctx
    , finished
    , emitted;

  // Some times the ctx exists but it is not runnable
  if (ctx && ctx.runnable) ctx.runnable(this);

  // called multiple times
  function multiple(err) {
    if (emitted) return;
    emitted = true;
    self.emit('error', err || new Error('done() called multiple times'));
  }

  // finished
  function done(err) {
    var ms = self.timeout();
    if (self.timedOut) return;
    if (finished) return multiple(err);
    self.clearTimeout();
    self.duration = new Date - start;
    finished = true;
    if (!err && self.duration > ms && self._enableTimeouts) err = new Error('timeout of ' + ms + 'ms exceeded');
    fn(err);
  }

  // for .resetTimeout()
  this.callback = done;

  // explicit async with `done` argument
  if (this.async) {
    this.resetTimeout();

    try {
      this.fn.call(ctx, function(err){
        if (err instanceof Error || toString.call(err) === "[object Error]") return done(err);
        if (null != err) {
          if (Object.prototype.toString.call(err) === '[object Object]') {
            return done(new Error('done() invoked with non-Error: ' + JSON.stringify(err)));
          } else {
            return done(new Error('done() invoked with non-Error: ' + err));
          }
        }
        done();
      });
    } catch (err) {
      done(err);
    }
    return;
  }

  if (this.asyncOnly) {
    return done(new Error('--async-only option in use without declaring `done()`'));
  }

  // sync or promise-returning
  try {
    if (this.pending) {
      done();
    } else {
      callFn(this.fn);
    }
  } catch (err) {
    done(err);
  }

  function callFn(fn) {
    var result = fn.call(ctx);
    if (result && typeof result.then === 'function') {
      self.resetTimeout();
      result
        .then(function() {
          done()
        },
        function(reason) {
          done(reason || new Error('Promise rejected with no or falsy reason'))
        });
    } else {
      done();
    }
  }
};

}); // module: runnable.js

require.register("runner.js", function(module, exports, require){
/**
 * Module dependencies.
 */

var EventEmitter = require('browser/events').EventEmitter
  , debug = require('browser/debug')('mocha:runner')
  , Test = require('./test')
  , utils = require('./utils')
  , filter = utils.filter
  , keys = utils.keys;

/**
 * Expose `Runner`.
 */

module.exports = Runner;

/**
 * Initialize a `Runner` for the given `suite`.
 *
 * Events:
 *
 *   - `start`  execution started
 *   - `end`  execution complete
 *   - `suite`  (suite) test suite execution started
 *   - `suite end`  (suite) all tests (and sub-suites) have finished
 *   - `test`  (test) test execution started
 *   - `test end`  (test) test completed
 *   - `hook`  (hook) hook execution started
 *   - `hook end`  (hook) hook complete
 *   - `pass`  (test) test passed
 *   - `fail`  (test, err) test failed
 *   - `pending`  (test) test pending
 *
 * @api public
 */

function Runner(suite) {
  var self = this;
  this._abort = false;
  this.suite = suite;
  this.total = suite.total();
  this.failures = 0;
  this.grep(/.*/);
}

/**
 * Wrapper for setImmediate, process.nextTick, or browser polyfill.
 *
 * @param {Function} fn
 * @api private
 */

Runner.immediately = process.nextTick;

/**
 * Inherit from `EventEmitter.prototype`.
 */

function F(){};
F.prototype = EventEmitter.prototype;
Runner.prototype = new F;
Runner.prototype.constructor = Runner;


/**
 * Run tests with full titles matching `re`. Updates runner.total
 * with number of tests matched.
 *
 * @param {RegExp} re
 * @param {Boolean} invert
 * @return {Runner} for chaining
 * @api public
 */

Runner.prototype.grep = function(re, invert){
  debug('grep %s', re);
  this._grep = re;
  this._invert = invert;
  this.total = this.grepTotal(this.suite);
  return this;
};

/**
 * Returns the number of tests matching the grep search for the
 * given suite.
 *
 * @param {Suite} suite
 * @return {Number}
 * @api public
 */

Runner.prototype.grepTotal = function(suite) {
  var self = this;
  var total = 0;

  suite.eachTest(function(test){
    var match = self._grep.test(test.fullTitle());
    if (self._invert) match = !match;
    if (match) total++;
  });

  return total;
};

/**
 * Check for global variable leaks.
 *
 * @api private
 */

/**
 * Fail the given `test`.
 *
 * @param {Test} test
 * @param {Error} err
 * @api private
 */

Runner.prototype.fail = function(test, err){
  ++this.failures;
  test.state = 'failed';

  if ('string' == typeof err) {
    err = new Error('the string "' + err + '" was thrown, throw an Error :)');
  }

  this.emit('fail', test, err);
};

/**
 * Fail the given `hook` with `err`.
 *
 * Hook failures work in the following pattern:
 * - If bail, then exit
 * - Failed `before` hook skips all tests in a suite and subsuites,
 *   but jumps to corresponding `after` hook
 * - Failed `before each` hook skips remaining tests in a
 *   suite and jumps to corresponding `after each` hook,
 *   which is run only once
 * - Failed `after` hook does not alter
 *   execution order
 * - Failed `after each` hook skips remaining tests in a
 *   suite and subsuites, but executes other `after each`
 *   hooks
 *
 * @param {Hook} hook
 * @param {Error} err
 * @api private
 */

Runner.prototype.failHook = function(hook, err){
  this.fail(hook, err);
  if (this.suite.bail()) {
    this.emit('end');
  }
};

/**
 * Run hook `name` callbacks and then invoke `fn()`.
 *
 * @param {String} name
 * @param {Function} function
 * @api private
 */

Runner.prototype.hook = function(name, fn){
  var suite = this.suite
    , hooks = suite['_' + name]
    , self = this
    , timer;

  function next(i) {
    var hook = hooks[i];
    if (!hook) return fn();
    if (self.failures && suite.bail()) return fn();
    self.currentRunnable = hook;

    hook.ctx.currentTest = self.test;

    self.emit('hook', hook);

    hook.on('error', function(err){
      self.failHook(hook, err);
    });

    hook.run(function(err){
      hook.removeAllListeners('error');
      var testError = hook.error();
      if (testError) self.fail(self.test, testError);
      if (err) {
        self.failHook(hook, err);

        // stop executing hooks, notify callee of hook err
        return fn(err);
      }
      self.emit('hook end', hook);
      delete hook.ctx.currentTest;
      next(++i);
    });
  }

  Runner.immediately(function(){
    next(0);
  });
};

/**
 * Run hook `name` for the given array of `suites`
 * in order, and callback `fn(err, errSuite)`.
 *
 * @param {String} name
 * @param {Array} suites
 * @param {Function} fn
 * @api private
 */

Runner.prototype.hooks = function(name, suites, fn){
  var self = this
    , orig = this.suite;

  function next(suite) {
    self.suite = suite;

    if (!suite) {
      self.suite = orig;
      return fn();
    }

    self.hook(name, function(err){
      if (err) {
        var errSuite = self.suite;
        self.suite = orig;
        return fn(err, errSuite);
      }

      next(suites.pop());
    });
  }

  next(suites.pop());
};

/**
 * Run hooks from the top level down.
 *
 * @param {String} name
 * @param {Function} fn
 * @api private
 */

Runner.prototype.hookUp = function(name, fn){
  var suites = [this.suite].concat(this.parents()).reverse();
  this.hooks(name, suites, fn);
};

/**
 * Run hooks from the bottom up.
 *
 * @param {String} name
 * @param {Function} fn
 * @api private
 */

Runner.prototype.hookDown = function(name, fn){
  var suites = [this.suite].concat(this.parents());
  this.hooks(name, suites, fn);
};

/**
 * Return an array of parent Suites from
 * closest to furthest.
 *
 * @return {Array}
 * @api private
 */

Runner.prototype.parents = function(){
  var suite = this.suite
    , suites = [];
  while (suite = suite.parent) suites.push(suite);
  return suites;
};

/**
 * Run the current test and callback `fn(err)`.
 *
 * @param {Function} fn
 * @api private
 */

Runner.prototype.runTest = function(fn){
  var test = this.test
    , self = this;

  if (this.asyncOnly) test.asyncOnly = true;

  try {
    test.on('error', function(err){
      self.fail(test, err);
    });
    test.run(fn);
  } catch (err) {
    fn(err);
  }
};

/**
 * Run tests in the given `suite` and invoke
 * the callback `fn()` when complete.
 *
 * @param {Suite} suite
 * @param {Function} fn
 * @api private
 */

Runner.prototype.runTests = function(suite, fn){
  var self = this
    , tests = suite.tests.slice()
    , test;


  function hookErr(err, errSuite, after) {
    // before/after Each hook for errSuite failed:
    var orig = self.suite;

    // for failed 'after each' hook start from errSuite parent,
    // otherwise start from errSuite itself
    self.suite = after ? errSuite.parent : errSuite;

    if (self.suite) {
      // call hookUp afterEach
      self.hookUp('afterEach', function(err2, errSuite2) {
        self.suite = orig;
        // some hooks may fail even now
        if (err2) return hookErr(err2, errSuite2, true);
        // report error suite
        fn(errSuite);
      });
    } else {
      // there is no need calling other 'after each' hooks
      self.suite = orig;
      fn(errSuite);
    }
  }

  function next(err, errSuite) {
    // if we bail after first err
    if (self.failures && suite._bail) return fn();

    if (self._abort) return fn();

    if (err) return hookErr(err, errSuite, true);

    // next test
    test = tests.shift();

    // all done
    if (!test) return fn();

    // grep
    var match = self._grep.test(test.fullTitle());
    if (self._invert) match = !match;
    if (!match) return next();

    // pending
    if (test.pending) {
      self.emit('pending', test);
      self.emit('test end', test);
      return next();
    }

    // execute test and hook(s)
    self.emit('test', self.test = test);
    self.hookDown('beforeEach', function(err, errSuite){

      if (err) return hookErr(err, errSuite, false);

      self.currentRunnable = self.test;
      self.runTest(function(err){
        test = self.test;

        if (err) {
          self.fail(test, err);
          self.emit('test end', test);
          return self.hookUp('afterEach', next);
        }

        test.state = 'passed';
        self.emit('pass', test);
        self.emit('test end', test);
        self.hookUp('afterEach', next);
      });
    });
  }

  this.next = next;
  next();
};

/**
 * Run the given `suite` and invoke the
 * callback `fn()` when complete.
 *
 * @param {Suite} suite
 * @param {Function} fn
 * @api private
 */

Runner.prototype.runSuite = function(suite, fn){
  var total = this.grepTotal(suite)
    , self = this
    , i = 0;

  debug('run suite %s', suite.fullTitle());

  if (!total) return fn();

  this.emit('suite', this.suite = suite);

  function next(errSuite) {
    if (errSuite) {
      // current suite failed on a hook from errSuite
      if (errSuite == suite) {
        // if errSuite is current suite
        // continue to the next sibling suite
        return done();
      } else {
        // errSuite is among the parents of current suite
        // stop execution of errSuite and all sub-suites
        return done(errSuite);
      }
    }

    if (self._abort) return done();

    var curr = suite.suites[i++];
    if (!curr) return done();
    self.runSuite(curr, next);
  }

  function done(errSuite) {
    self.suite = suite;
    self.hook('afterAll', function(){
      self.emit('suite end', suite);
      fn(errSuite);
    });
  }

  this.hook('beforeAll', function(err){
    if (err) return done();
    self.runTests(suite, next);
  });
};

/**
 * Handle uncaught exceptions.
 *
 * @param {Error} err
 * @api private
 */

Runner.prototype.uncaught = function(err){
  if (err) {
    debug('uncaught exception %s', err.message);
  } else {
    debug('uncaught undefined exception');
    err = new Error('Catched undefined error, did you throw without specifying what?');
  }
  
  var runnable = this.currentRunnable;
  if (!runnable || 'failed' == runnable.state) return;
  runnable.clearTimeout();
  err.uncaught = true;
  this.fail(runnable, err);

  // recover from test
  if ('test' == runnable.type) {
    this.emit('test end', runnable);
    this.hookUp('afterEach', this.next);
    return;
  }

  // bail on hooks
  this.emit('end');
};

/**
 * Run the root suite and invoke `fn(failures)`
 * on completion.
 *
 * @param {Function} fn
 * @return {Runner} for chaining
 * @api public
 */

Runner.prototype.run = function(fn){
  var self = this
    , fn = fn || function(){};

  function uncaught(err){
    self.uncaught(err);
  }

  debug('start');

  // callback
  this.on('end', function(){
    debug('end');
    process.removeListener('uncaughtException', uncaught);
    fn(self.failures);
  });

  // run suites
  this.emit('start');
  this.runSuite(this.suite, function(){
    debug('finished running');
    self.emit('end');
  });

  // uncaught exception
  process.on('uncaughtException', uncaught);

  return this;
};

/**
 * Cleanly abort execution
 *
 * @return {Runner} for chaining
 * @api public
 */
Runner.prototype.abort = function(){
  debug('aborting');
  this._abort = true;
}

}); // module: runner.js

require.register("suite.js", function(module, exports, require){

/**
 * Module dependencies.
 */

var EventEmitter = require('browser/events').EventEmitter
  , debug = require('browser/debug')('mocha:suite')
  , milliseconds = require('./ms')
  , Hook = require('./hook');

/**
 * Expose `Suite`.
 */

exports = module.exports = Suite;

/**
 * Create a new `Suite` with the given `title`
 * and parent `Suite`. When a suite with the
 * same title is already present, that suite
 * is returned to provide nicer reporter
 * and more flexible meta-testing.
 *
 * @param {Suite} parent
 * @param {String} title
 * @return {Suite}
 * @api public
 */

exports.create = function(parent, title){
  var suite = new Suite(title, parent.ctx);
  suite.parent = parent;
  if (parent.pending) suite.pending = true;
  title = suite.fullTitle();
  parent.addSuite(suite);
  return suite;
};

/**
 * Initialize a new `Suite` with the given
 * `title` and `ctx`.
 *
 * @param {String} title
 * @param {Context} ctx
 * @api private
 */

function Suite(title, parentContext) {
  this.title = title;
  var context = function() {};
  context.prototype = parentContext;
  this.ctx = new context();
  this.suites = [];
  this.tests = [];
  this.pending = false;
  this._beforeEach = [];
  this._beforeAll = [];
  this._afterEach = [];
  this._afterAll = [];
  this.root = !title;
  this._timeout = 2000;
  this._enableTimeouts = true;
  this._slow = 75;
  this._bail = false;
}

/**
 * Inherit from `EventEmitter.prototype`.
 */

function F(){};
F.prototype = EventEmitter.prototype;
Suite.prototype = new F;
Suite.prototype.constructor = Suite;


/**
 * Return a clone of this `Suite`.
 *
 * @return {Suite}
 * @api private
 */

Suite.prototype.clone = function(){
  var suite = new Suite(this.title);
  debug('clone');
  suite.ctx = this.ctx;
  suite.timeout(this.timeout());
  suite.enableTimeouts(this.enableTimeouts());
  suite.slow(this.slow());
  suite.bail(this.bail());
  return suite;
};

/**
 * Set timeout `ms` or short-hand such as "2s".
 *
 * @param {Number|String} ms
 * @return {Suite|Number} for chaining
 * @api private
 */

Suite.prototype.timeout = function(ms){
  if (0 == arguments.length) return this._timeout;
  if ('string' == typeof ms) ms = milliseconds(ms);
  debug('timeout %d', ms);
  this._timeout = parseInt(ms, 10);
  return this;
};

/**
  * Set timeout `enabled`.
  *
  * @param {Boolean} enabled
  * @return {Suite|Boolean} self or enabled
  * @api private
  */

Suite.prototype.enableTimeouts = function(enabled){
  if (arguments.length === 0) return this._enableTimeouts;
  debug('enableTimeouts %s', enabled);
  this._enableTimeouts = enabled;
  return this;
}

/**
 * Set slow `ms` or short-hand such as "2s".
 *
 * @param {Number|String} ms
 * @return {Suite|Number} for chaining
 * @api private
 */

Suite.prototype.slow = function(ms){
  if (0 === arguments.length) return this._slow;
  if ('string' == typeof ms) ms = milliseconds(ms);
  debug('slow %d', ms);
  this._slow = ms;
  return this;
};

/**
 * Sets whether to bail after first error.
 *
 * @parma {Boolean} bail
 * @return {Suite|Number} for chaining
 * @api private
 */

Suite.prototype.bail = function(bail){
  if (0 == arguments.length) return this._bail;
  debug('bail %s', bail);
  this._bail = bail;
  return this;
};

/**
 * Run `fn(test[, done])` before running tests.
 *
 * @param {Function} fn
 * @return {Suite} for chaining
 * @api private
 */

Suite.prototype.beforeAll = function(title, fn){
  if (this.pending) return this;
  if ('function' === typeof title) {
    fn = title;
    title = fn.name;
  }
  title = '"before all" hook' + (title ? ': ' + title : '');

  var hook = new Hook(title, fn);
  hook.parent = this;
  hook.timeout(this.timeout());
  hook.enableTimeouts(this.enableTimeouts());
  hook.slow(this.slow());
  hook.ctx = this.ctx;
  this._beforeAll.push(hook);
  this.emit('beforeAll', hook);
  return this;
};

/**
 * Run `fn(test[, done])` after running tests.
 *
 * @param {Function} fn
 * @return {Suite} for chaining
 * @api private
 */

Suite.prototype.afterAll = function(title, fn){
  if (this.pending) return this;
  if ('function' === typeof title) {
    fn = title;
    title = fn.name;
  }
  title = '"after all" hook' + (title ? ': ' + title : '');

  var hook = new Hook(title, fn);
  hook.parent = this;
  hook.timeout(this.timeout());
  hook.enableTimeouts(this.enableTimeouts());
  hook.slow(this.slow());
  hook.ctx = this.ctx;
  this._afterAll.push(hook);
  this.emit('afterAll', hook);
  return this;
};

/**
 * Run `fn(test[, done])` before each test case.
 *
 * @param {Function} fn
 * @return {Suite} for chaining
 * @api private
 */

Suite.prototype.beforeEach = function(title, fn){
  if (this.pending) return this;
  if ('function' === typeof title) {
    fn = title;
    title = fn.name;
  }
  title = '"before each" hook' + (title ? ': ' + title : '');

  var hook = new Hook(title, fn);
  hook.parent = this;
  hook.timeout(this.timeout());
  hook.enableTimeouts(this.enableTimeouts());
  hook.slow(this.slow());
  hook.ctx = this.ctx;
  this._beforeEach.push(hook);
  this.emit('beforeEach', hook);
  return this;
};

/**
 * Run `fn(test[, done])` after each test case.
 *
 * @param {Function} fn
 * @return {Suite} for chaining
 * @api private
 */

Suite.prototype.afterEach = function(title, fn){
  if (this.pending) return this;
  if ('function' === typeof title) {
    fn = title;
    title = fn.name;
  }
  title = '"after each" hook' + (title ? ': ' + title : '');

  var hook = new Hook(title, fn);
  hook.parent = this;
  hook.timeout(this.timeout());
  hook.enableTimeouts(this.enableTimeouts());
  hook.slow(this.slow());
  hook.ctx = this.ctx;
  this._afterEach.push(hook);
  this.emit('afterEach', hook);
  return this;
};

/**
 * Add a test `suite`.
 *
 * @param {Suite} suite
 * @return {Suite} for chaining
 * @api private
 */

Suite.prototype.addSuite = function(suite){
  suite.parent = this;
  suite.timeout(this.timeout());
  suite.enableTimeouts(this.enableTimeouts());
  suite.slow(this.slow());
  suite.bail(this.bail());
  this.suites.push(suite);
  this.emit('suite', suite);
  return this;
};

/**
 * Add a `test` to this suite.
 *
 * @param {Test} test
 * @return {Suite} for chaining
 * @api private
 */

Suite.prototype.addTest = function(test){
  test.parent = this;
  test.timeout(this.timeout());
  test.enableTimeouts(this.enableTimeouts());
  test.slow(this.slow());
  test.ctx = this.ctx;
  this.tests.push(test);
  this.emit('test', test);
  return this;
};

/**
 * Return the full title generated by recursively
 * concatenating the parent's full title.
 *
 * @return {String}
 * @api public
 */

Suite.prototype.fullTitle = function(){
  if (this.parent) {
    var full = this.parent.fullTitle();
    if (full) return full + ' ' + this.title;
  }
  return this.title;
};

/**
 * Return the total number of tests.
 *
 * @return {Number}
 * @api public
 */

Suite.prototype.total = function(){
  return this.suites.reduce(function(sum, suite){
    return sum + suite.total();
  }, 0) + this.tests.length;
};

/**
 * Iterates through each suite recursively to find
 * all tests. Applies a function in the format
 * `fn(test)`.
 *
 * @param {Function} fn
 * @return {Suite}
 * @api private
 */

Suite.prototype.eachTest = function(fn){
  this.tests.forEach(fn);
  this.suites.forEach(function(suite){
    suite.eachTest(fn);
  });
  return this;
};

}); // module: suite.js

require.register("test.js", function(module, exports, require){

/**
 * Module dependencies.
 */

var Runnable = require('./runnable');

/**
 * Expose `Test`.
 */

module.exports = Test;

/**
 * Initialize a new `Test` with the given `title` and callback `fn`.
 *
 * @param {String} title
 * @param {Function} fn
 * @api private
 */

function Test(title, fn) {
  Runnable.call(this, title, fn);
  this.pending = !fn;
  this.type = 'test';
}

/**
 * Inherit from `Runnable.prototype`.
 */

function F(){};
F.prototype = Runnable.prototype;
Test.prototype = new F;
Test.prototype.constructor = Test;


}); // module: test.js

require.register("utils.js", function(module, exports, require){
/**
 * Module dependencies.
 */

/**
 * Escape regular expression characters in `str`.
 *
 * @param {String} str
 * @return {String}
 * @api private
 */

exports.escapeRegexp = function(str){
  return str.replace(/[-\\^$*+?.()|[\]{}]/g, "\\$&");
};


}); // module: utils.js

/**
 * Save timer references to avoid Sinon interfering (see GH-237).
 */

/**
 * Node shims.
 *
 * These are meant only to allow
 * mocha.js to run untouched, not
 * to allow running node code in
 * the browser.
 */

var process = {};
process.exit = function(status){};
process.stdout = {};

var uncaughtExceptionHandlers = [];

var originalOnerrorHandler = window.onerror;

/**
 * Remove uncaughtException listener.
 * Revert to original onerror handler if previously defined.
 */

process.removeListener = function(e, fn){
  if ('uncaughtException' == e) {
    if (originalOnerrorHandler) {
      window.onerror = originalOnerrorHandler;
    } else {
      window.onerror = function() {};
    }
    var i = uncaughtExceptionHandlers.indexOf(fn);
    if (i != -1) { uncaughtExceptionHandlers.splice(i, 1); }
  }
};

/**
 * Implements uncaughtException listener.
 */

process.on = function(e, fn){
  if ('uncaughtException' == e) {
    window.onerror = function(err, url, line){
      fn(new Error(err + ' (' + url + ':' + line + ')'));
      return true;
    };
    uncaughtExceptionHandlers.push(fn);
  }
};

/**
 * Expose mocha.
 */

var Mocha = window.Mocha = require('mocha'),
    mocha = window.mocha = new Mocha();

// The BDD UI is registered by default, but no UI will be functional in the
// browser without an explicit call to the overridden `mocha.ui` (see below).
// Ensure that this default UI does not expose its methods to the global scope.
mocha.suite.removeAllListeners('pre-require');

var immediateQueue = []
  , immediateTimeout;

function timeslice() {
  var immediateStart = new Date().getTime();
  while (immediateQueue.length && (new Date().getTime() - immediateStart) < 100) {
    immediateQueue.shift()();
  }
  if (immediateQueue.length) {
    immediateTimeout = setTimeout(timeslice, 0);
  } else {
    immediateTimeout = null;
  }
}

/**
 * High-performance override of Runner.immediately.
 */

Mocha.Runner.immediately = function(callback) {
  immediateQueue.push(callback);
  if (!immediateTimeout) {
    immediateTimeout = setTimeout(timeslice, 0);
  }
};

/**
 * Function to allow assertion libraries to throw errors directly into mocha.
 * This is useful when running tests in a browser because window.onerror will
 * only receive the 'message' attribute of the Error.
 */
mocha.throwError = function(err) {
  uncaughtExceptionHandlers.forEach(function (fn) {
    fn(err);
  });
  throw err;
};

/**
 * Override ui to ensure that the ui functions are initialized.
 * Normally this would happen in Mocha.prototype.loadFiles.
 */

mocha.ui = function(ui){
  Mocha.prototype.ui.call(this, ui);
  this.suite.emit('pre-require', window, null, this);
  return this;
};

/**
 * Setup mocha with the given setting options.
 */

mocha.setup = function(opts){
  this.ui();
};

/**
 * Run mocha, returning the Runner.
 */

mocha.run = function(fn){
  return Mocha.prototype.run.call(mocha, function(err){
    if (fn) fn(err);
  });
};

/**
 * Expose the process shim.
 */

Mocha.process = process;
})();

</script>
<script>

mocha.setup();

window.addEventListener('load', function() {
  requestAnimationFrame(function() {
    mocha.run();
  });
})

</script>