1 files changed, 363 insertions, 0 deletions
diff --git a/node_modules/mocha/lib/runnable.js b/node_modules/mocha/lib/runnable.js
new file mode 100644
index 000000000..64de4e9a2
--- /dev/null
+++ b/node_modules/mocha/lib/runnable.js
@@ -0,0 +1,363 @@
+/**
+ * Module dependencies.
+ */
+
+var EventEmitter = require('events').EventEmitter;
+var Pending = require('./pending');
+var debug = require('debug')('mocha:runnable');
+var milliseconds = require('./ms');
+var utils = require('./utils');
+var inherits = utils.inherits;
+
+/**
+ * Save timer references to avoid Sinon interfering (see GH-237).
+ */
+
+/* eslint-disable no-unused-vars, no-native-reassign */
+var Date = global.Date;
+var setTimeout = global.setTimeout;
+var setInterval = global.setInterval;
+var clearTimeout = global.clearTimeout;
+var clearInterval = global.clearInterval;
+/* eslint-enable no-unused-vars, no-native-reassign */
+
+/**
+ * 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
+ * @param {string} title
+ * @param {Function} fn
+ */
+function Runnable(title, fn) {
+  this.title = title;
+  this.fn = fn;
+  this.body = (fn || '').toString();
+  this.async = fn && fn.length;
+  this.sync = !this.async;
+  this._timeout = 2000;
+  this._slow = 75;
+  this._enableTimeouts = true;
+  this.timedOut = false;
+  this._trace = new Error('done() called multiple times');
+  this._retries = -1;
+  this._currentRetry = 0;
+  this.pending = false;
+}
+
+/**
+ * Inherit from `EventEmitter.prototype`.
+ */
+inherits(Runnable, EventEmitter);
+
+/**
+ * Set & get timeout `ms`.
+ *
+ * @api private
+ * @param {number|string} ms
+ * @return {Runnable|number} ms or Runnable instance.
+ */
+Runnable.prototype.timeout = function(ms) {
+  if (!arguments.length) {
+    return this._timeout;
+  }
+  if (ms === 0) {
+    this._enableTimeouts = false;
+  }
+  if (typeof ms === 'string') {
+    ms = milliseconds(ms);
+  }
+  debug('timeout %d', ms);
+  this._timeout = ms;
+  if (this.timer) {
+    this.resetTimeout();
+  }
+  return this;
+};
+
+/**
+ * Set & get slow `ms`.
+ *
+ * @api private
+ * @param {number|string} ms
+ * @return {Runnable|number} ms or Runnable instance.
+ */
+Runnable.prototype.slow = function(ms) {
+  if (!arguments.length) {
+    return this._slow;
+  }
+  if (typeof ms === 'string') {
+    ms = milliseconds(ms);
+  }
+  debug('timeout %d', ms);
+  this._slow = ms;
+  return this;
+};
+
+/**
+ * Set and get whether timeout is `enabled`.
+ *
+ * @api private
+ * @param {boolean} enabled
+ * @return {Runnable|boolean} enabled or Runnable instance.
+ */
+Runnable.prototype.enableTimeouts = function(enabled) {
+  if (!arguments.length) {
+    return this._enableTimeouts;
+  }
+  debug('enableTimeouts %s', enabled);
+  this._enableTimeouts = enabled;
+  return this;
+};
+
+/**
+ * Halt and mark as pending.
+ *
+ * @api public
+ */
+Runnable.prototype.skip = function() {
+  throw new Pending();
+};
+
+/**
+ * Check if this runnable or its parent suite is marked as pending.
+ *
+ * @api private
+ */
+Runnable.prototype.isPending = function() {
+  return this.pending || (this.parent && this.parent.isPending());
+};
+
+/**
+ * Set number of retries.
+ *
+ * @api private
+ */
+Runnable.prototype.retries = function(n) {
+  if (!arguments.length) {
+    return this._retries;
+  }
+  this._retries = n;
+};
+
+/**
+ * Get current retry
+ *
+ * @api private
+ */
+Runnable.prototype.currentRetry = function(n) {
+  if (!arguments.length) {
+    return this._currentRetry;
+  }
+  this._currentRetry = n;
+};
+
+/**
+ * Return the full title generated by recursively concatenating the parent's
+ * full title.
+ *
+ * @api public
+ * @return {string}
+ */
+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.
+ *
+ * @api private
+ * @return {string}
+ */
+Runnable.prototype.inspect = function() {
+  return JSON.stringify(this, function(key, val) {
+    if (key[0] === '_') {
+      return;
+    }
+    if (key === 'parent') {
+      return '#<Suite>';
+    }
+    if (key === 'ctx') {
+      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() {
+    if (!self._enableTimeouts) {
+      return;
+    }
+    self.callback(new Error('timeout of ' + ms + 'ms exceeded. Ensure the done() callback is being called in this test.'));
+    self.timedOut = true;
+  }, ms);
+};
+
+/**
+ * Whitelist a list of globals for this test run.
+ *
+ * @api private
+ * @param {string[]} globals
+ */
+Runnable.prototype.globals = function(globals) {
+  if (!arguments.length) {
+    return this._allowedGlobals;
+  }
+  this._allowedGlobals = globals;
+};
+
+/**
+ * Run the test and invoke `fn(err)`.
+ *
+ * @param {Function} fn
+ * @api private
+ */
+Runnable.prototype.run = function(fn) {
+  var self = this;
+  var start = new Date();
+  var ctx = this.ctx;
+  var finished;
+  var emitted;
+
+  // Sometimes 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; stacktrace may be inaccurate'));
+  }
+
+  // finished
+  function done(err) {
+    var ms = self.timeout();
+    if (self.timedOut) {
+      return;
+    }
+    if (finished) {
+      return multiple(err || self._trace);
+    }
+
+    self.clearTimeout();
+    self.duration = new Date() - start;
+    finished = true;
+    if (!err && self.duration > ms && self._enableTimeouts) {
+      err = new Error('timeout of ' + ms + 'ms exceeded. Ensure the done() callback is being called in this test.');
+    }
+    fn(err);
+  }
+
+  // for .resetTimeout()
+  this.callback = done;
+
+  // explicit async with `done` argument
+  if (this.async) {
+    this.resetTimeout();
+
+    if (this.allowUncaught) {
+      return callFnAsync(this.fn);
+    }
+    try {
+      callFnAsync(this.fn);
+    } catch (err) {
+      done(utils.getError(err));
+    }
+    return;
+  }
+
+  if (this.allowUncaught) {
+    callFn(this.fn);
+    done();
+    return;
+  }
+
+  // sync or promise-returning
+  try {
+    if (this.isPending()) {
+      done();
+    } else {
+      callFn(this.fn);
+    }
+  } catch (err) {
+    done(utils.getError(err));
+  }
+
+  function callFn(fn) {
+    var result = fn.call(ctx);
+    if (result && typeof result.then === 'function') {
+      self.resetTimeout();
+      result
+        .then(function() {
+          done();
+          // Return null so libraries like bluebird do not warn about
+          // subsequently constructed Promises.
+          return null;
+        },
+        function(reason) {
+          done(reason || new Error('Promise rejected with no or falsy reason'));
+        });
+    } else {
+      if (self.asyncOnly) {
+        return done(new Error('--async-only option in use without declaring `done()` or returning a promise'));
+      }
+
+      done();
+    }
+  }
+
+  function callFnAsync(fn) {
+    fn.call(ctx, function(err) {
+      if (err instanceof Error || toString.call(err) === '[object Error]') {
+        return done(err);
+      }
+      if (err) {
+        if (Object.prototype.toString.call(err) === '[object Object]') {
+          return done(new Error('done() invoked with non-Error: '
+            + JSON.stringify(err)));
+        }
+        return done(new Error('done() invoked with non-Error: ' + err));
+      }
+      done();
+    });
+  }
+};