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1 files changed, 164 insertions, 0 deletions

diff --git a/node_modules/mocha/lib/runnable.js b/node_modules/mocha/lib/runnable.js
new file mode 100644
index 0000000..beb4691
--- /dev/null
+++ b/node_modules/mocha/lib/runnable.js
@@ -0,0 +1,164 @@
+
+/**
+ * Module dependencies.
+ */
+
+var EventEmitter = require('events').EventEmitter
+  , debug = require('debug')('runnable');
+
+/**
+ * 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.timedOut = false;
+}
+
+/**
+ * Inherit from `EventEmitter.prototype`.
+ */
+
+Runnable.prototype.__proto__ = EventEmitter.prototype;
+
+/**
+ * Set & get timeout `ms`.
+ *
+ * @param {Number} ms
+ * @return {Runnable|Number} ms or self
+ * @api private
+ */
+
+Runnable.prototype.timeout = function(ms){
+  if (0 == arguments.length) return this._timeout;
+  debug('timeout %d', ms);
+  this._timeout = ms;
+  if (this.timer) this.resetTimeout();
+  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);
+};
+
+/**
+ * Reset the timeout.
+ *
+ * @api private
+ */
+
+Runnable.prototype.resetTimeout = function(){
+  var self = this
+    , ms = this.timeout();
+
+  this.clearTimeout();
+  if (ms) {
+    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
+    , ms = this.timeout()
+    , start = new Date
+    , ctx = this.ctx
+    , finished
+    , emitted;
+
+  if (ctx) ctx.runnable(this);
+
+  // timeout
+  if (this.async) {
+    if (ms) {
+      this.timer = setTimeout(function(){
+        done(new Error('timeout of ' + ms + 'ms exceeded'));
+        self.timedOut = true;
+      }, ms);
+    }
+  }
+
+  // called multiple times
+  function multiple() {
+    if (emitted) return;
+    emitted = true;
+    self.emit('error', new Error('done() called multiple times'));
+  }
+
+  // finished
+  function done(err) {
+    if (self.timedOut) return;
+    if (finished) return multiple();
+    self.clearTimeout();
+    self.duration = new Date - start;
+    finished = true;
+    fn(err);
+  }
+
+  // for .resetTimeout()
+  this.callback = done;
+
+  // async
+  if (this.async) {
+    try {
+      this.fn.call(ctx, function(err){
+        if (err instanceof Error) return done(err);
+        if (null != err) return done(new Error('done() invoked with non-Error: ' + err));
+        done();
+      });
+    } catch (err) {
+      done(err);
+    }
+    return;
+  }
+  
+  // sync
+  try {
+    if (!this.pending) this.fn.call(ctx);
+    this.duration = new Date - start;
+    fn();
+  } catch (err) {
+    fn(err);
+  }
+};