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gaia/apps/calendar/test/unit/provider/mock_stream.js

@@ -0,0 +1,68 @@
+define(function(require, exports, module) {
+'use strict';
+
+var Responder = require('common/responder');
+
+function MockStream() {
+  Responder.call(this);
+
+  this._queue = [];
+  this._workingQueue = false;
+}
+module.exports = MockStream;
+
+var emit = Responder.prototype.emit;
+
+MockStream.prototype = {
+  __proto__: Responder.prototype,
+
+  emit: function() {
+    var args = Array.prototype.slice.call(arguments);
+    var self = this;
+
+    this._queue.push(function() {
+      emit.apply(self, args);
+    });
+
+    this._workQueue();
+  },
+
+  request: function(callback) {
+    if (this._requestCallback) {
+      throw new Error('request may only be called once.');
+    }
+
+    this._requestCallback = callback;
+    if (this.mockonrequest) {
+      this.mockonrequest();
+    }
+  },
+
+  _workQueue: function() {
+    if (!this._workingQueue && this._queue.length) {
+      var self = this;
+      var next = this._queue.shift();
+
+      this._workingQueue = true;
+
+      setTimeout(function() {
+        next();
+        self._workingQueue = false;
+        self._workQueue();
+      }, 0);
+    }
+  },
+
+  close: function() {
+    var self = this;
+
+    this._queue.push(function() {
+      self._requestCallback.apply(self, arguments);
+    });
+
+    this._workQueue();
+  }
+
+};
+
+});