setup integration test

node_modules/bottleneck/lib/Queues.js

@@ -0,0 +1,77 @@
+"use strict";
+
+var DLList, Events, Queues;
+DLList = require("./DLList");
+Events = require("./Events");
+Queues = class Queues {
+  constructor(num_priorities) {
+    var i;
+    this.Events = new Events(this);
+    this._length = 0;
+
+    this._lists = function () {
+      var j, ref, results;
+      results = [];
+
+      for (i = j = 1, ref = num_priorities; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {
+        results.push(new DLList(() => {
+          return this.incr();
+        }, () => {
+          return this.decr();
+        }));
+      }
+
+      return results;
+    }.call(this);
+  }
+
+  incr() {
+    if (this._length++ === 0) {
+      return this.Events.trigger("leftzero");
+    }
+  }
+
+  decr() {
+    if (--this._length === 0) {
+      return this.Events.trigger("zero");
+    }
+  }
+
+  push(job) {
+    return this._lists[job.options.priority].push(job);
+  }
+
+  queued(priority) {
+    if (priority != null) {
+      return this._lists[priority].length;
+    } else {
+      return this._length;
+    }
+  }
+
+  shiftAll(fn) {
+    return this._lists.forEach(function (list) {
+      return list.forEachShift(fn);
+    });
+  }
+
+  getFirst(arr = this._lists) {
+    var j, len, list;
+
+    for (j = 0, len = arr.length; j < len; j++) {
+      list = arr[j];
+
+      if (list.length > 0) {
+        return list;
+      }
+    }
+
+    return [];
+  }
+
+  shiftLastFrom(priority) {
+    return this.getFirst(this._lists.slice(priority).reverse()).shift();
+  }
+
+};
+module.exports = Queues;