openmct/platform/commonUI/general/test/controllers/GetterSetterControllerSpec.js

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/*****************************************************************************
* Open MCT Web, Copyright (c) 2014-2015, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT Web 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 Web 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
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*****************************************************************************/
define(
["../../src/controllers/GetterSetterController"],
function (GetterSetterController) {
describe("The getter-setter controller", function () {
var mockScope,
mockModel,
controller;
beforeEach(function () {
mockScope = jasmine.createSpyObj("$scope", ["$watch"]);
mockModel = jasmine.createSpy("ngModel");
mockScope.ngModel = mockModel;
controller = new GetterSetterController(mockScope);
});
it("watches for changes to external and internal mode", function () {
expect(mockScope.$watch).toHaveBeenCalledWith(
"ngModel()",
jasmine.any(Function)
);
expect(mockScope.$watch).toHaveBeenCalledWith(
"getterSetter.value",
jasmine.any(Function)
);
});
it("updates an external function when changes are detected", function () {
mockScope.getterSetter.value = "some new value";
// Verify precondition
expect(mockScope.ngModel)
.not.toHaveBeenCalledWith("some new value");
// Fire the matching watcher
mockScope.$watch.calls.forEach(function (call) {
if (call.args[0] === "getterSetter.value") {
call.args[1](mockScope.getterSetter.value);
}
});
// Verify getter-setter was notified
expect(mockScope.ngModel)
.toHaveBeenCalledWith("some new value");
});
it("updates internal state when external changes are detected", function () {
mockScope.ngModel.andReturn("some other new value");
// Verify precondition
expect(mockScope.getterSetter.value).toBeUndefined();
// Fire the matching watcher
mockScope.$watch.calls.forEach(function (call) {
if (call.args[0] === "ngModel()") {
call.args[1]("some other new value");
}
});
// Verify state in scope was updated
expect(mockScope.getterSetter.value)
.toEqual("some other new value");
});
});
}
);