text: /*****************************************************************************
   * Open MCT, Copyright (c) 2014-2016, United States Government
   * as represented by the Administrator of the National Aeronautics and Space
   * Administration. All rights reserved.
   *
   * Open MCT is 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.
   *
   * Open MCT includes source code licensed under additional open source
   * licenses. See the Open Source Licenses file (LICENSES.md) included with
   * this source code distribution or the Licensing information page available
   * at runtime from the About dialog for additional information.
   *****************************************************************************/
  
  define(
      ["../../src/directives/MCTResize"],
      function (MCTResize) {
  
          describe("The mct-resize directive", function () {
              var mockTimeout,
                  mockScope,
                  testElement,
                  testAttrs,
                  mctResize;
  
              beforeEach(function () {
                  mockTimeout = jasmine.createSpy("$timeout");
                  mockScope = jasmine.createSpyObj("$scope", ["$eval", "$on", "$apply"]);
  
                  testElement = { offsetWidth: 100, offsetHeight: 200 };
                  testAttrs = { mctResize: "some-expr" };
  
                  mctResize = new MCTResize(mockTimeout);
              });
  
              it("is applicable as an attribute only", function () {
                  expect(mctResize.restrict).toEqual("A");
              });
  
              it("starts tracking size changes upon link", function () {
                  expect(mockTimeout).not.toHaveBeenCalled();
                  mctResize.link(mockScope, [testElement], testAttrs);
                  expect(mockTimeout).toHaveBeenCalledWith(
                      jasmine.any(Function),
                      jasmine.any(Number),
                      false
                  );
                  expect(mockScope.$eval).toHaveBeenCalledWith(
                      testAttrs.mctResize,
                      { bounds: { width: 100, height: 200 } }
                  );
              });
  
              it("reports size changes on a timeout", function () {
                  mctResize.link(mockScope, [testElement], testAttrs);
  
                  // Change the element's apparent size
                  testElement.offsetWidth = 300;
                  testElement.offsetHeight = 350;
  
                  // Shouldn't know about this yet...
                  expect(mockScope.$eval).not.toHaveBeenCalledWith(
                      testAttrs.mctResize,
                      { bounds: { width: 300, height: 350 } }
                  );
  
                  // Fire the timeout
                  mockTimeout.mostRecentCall.args[0]();
  
                  // Should have triggered an evaluation of mctResize
                  // with the new width & height
                  expect(mockScope.$eval).toHaveBeenCalledWith(
                      testAttrs.mctResize,
                      { bounds: { width: 300, height: 350 } }
                  );
              });
  
              it("stops size checking for size changes after destroy", function () {
                  mctResize.link(mockScope, [testElement], testAttrs);
  
                  // First, make sure there's a $destroy observer
                  expect(mockScope.$on)
                      .toHaveBeenCalledWith("$destroy", jasmine.any(Function));
  
                  // Should have scheduled the first timeout
                  expect(mockTimeout.calls.length).toEqual(1);
  
                  // Fire the timeout
                  mockTimeout.mostRecentCall.args[0]();
  
                  // Should have scheduled another timeout
                  expect(mockTimeout.calls.length).toEqual(2);
  
                  // Broadcast a destroy event
                  mockScope.$on.mostRecentCall.args[1]();
  
                  // Fire the timeout
                  mockTimeout.mostRecentCall.args[0]();
  
                  // Should NOT have scheduled another timeout
                  expect(mockTimeout.calls.length).toEqual(2);
              });
  
              it("triggers a digest cycle when size changes", function () {
                  var applyCount;
                  mctResize.link(mockScope, [testElement], testAttrs);
                  applyCount = mockScope.$apply.calls.length;
  
                  // Change the element's apparent size
                  testElement.offsetWidth = 300;
                  testElement.offsetHeight = 350;
  
                  // Fire the timeout
                  mockTimeout.mostRecentCall.args[0]();
  
                  // No more apply calls
                  expect(mockScope.$apply.calls.length)
                      .toBeGreaterThan(applyCount);
              });
  
              it("does not trigger a digest cycle when size does not change", function () {
                  var applyCount;
                  mctResize.link(mockScope, [testElement], testAttrs);
                  applyCount = mockScope.$apply.calls.length;
  
                  // Fire the timeout
                  mockTimeout.mostRecentCall.args[0]();
  
                  // No more apply calls
                  expect(mockScope.$apply.calls.length).toEqual(applyCount);
              });
  
          });
      }
  );
  