waitsForCallback.js

/**
 * Copyright 2013 Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

function waitsForCallback(test, expectation) {
  var args = null;
  var context = null;
  function callback() {
    context = this;
    args = arguments;
  }

  runs(function() {
    test(callback);
  });

  waitsFor(function() {
    return args;
  }, 500);

  runs(function() {
    expectation.apply(context, args);
  });
}


module.exports = waitsForCallback;