mirror of
https://github.com/nasa/openmct.git
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115 lines
5.0 KiB
JavaScript
115 lines
5.0 KiB
JavaScript
/*****************************************************************************
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* Open MCT, Copyright (c) 2014-2016, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT is licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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define(
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["../../src/directives/MCTBeforeUnload"],
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function (MCTBeforeUnload) {
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describe("The mct-before-unload directive", function () {
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var mockWindow,
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mockScope,
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testAttrs,
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mockEvent,
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directive;
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function fireListener(eventType, value) {
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mockScope.$on.calls.forEach(function (call) {
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if (call.args[0] === eventType) {
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call.args[1](value);
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}
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});
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}
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beforeEach(function () {
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mockWindow = jasmine.createSpyObj("$window", ['confirm']);
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mockScope = jasmine.createSpyObj("$scope", ['$eval', '$on']);
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testAttrs = { mctBeforeUnload: "someExpression" };
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mockEvent = jasmine.createSpyObj("event", ["preventDefault"]);
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directive = new MCTBeforeUnload(mockWindow);
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directive.link(mockScope, {}, testAttrs);
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});
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it("can be used only as an attribute", function () {
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expect(directive.restrict).toEqual('A');
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});
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it("listens for beforeunload", function () {
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expect(mockWindow.onbeforeunload).toEqual(jasmine.any(Function));
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});
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it("listens for route changes", function () {
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expect(mockScope.$on).toHaveBeenCalledWith(
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"$locationChangeStart",
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jasmine.any(Function)
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);
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});
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it("listens for its scope's destroy event", function () {
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expect(mockScope.$on).toHaveBeenCalledWith(
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"$destroy",
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jasmine.any(Function)
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);
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});
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it("uses result of evaluated expression as a warning", function () {
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mockScope.$eval.andReturn(undefined);
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expect(mockWindow.onbeforeunload(mockEvent)).toBeUndefined();
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mockScope.$eval.andReturn("some message");
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expect(mockWindow.onbeforeunload(mockEvent)).toEqual("some message");
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// Verify that the right expression was evaluated
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expect(mockScope.$eval).toHaveBeenCalledWith(testAttrs.mctBeforeUnload);
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});
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it("confirms route changes", function () {
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// First, try with no unsaved changes;
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// should not confirm or preventDefault
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mockScope.$eval.andReturn(undefined);
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fireListener("$locationChangeStart", mockEvent);
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expect(mockWindow.confirm).not.toHaveBeenCalled();
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expect(mockEvent.preventDefault).not.toHaveBeenCalled();
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// Next, try with unsaved changes that the user confirms;
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// should prompt, but not preventDefault
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mockScope.$eval.andReturn("some message");
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mockWindow.confirm.andReturn(true);
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fireListener("$locationChangeStart", mockEvent);
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expect(mockWindow.confirm).toHaveBeenCalledWith("some message");
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expect(mockEvent.preventDefault).not.toHaveBeenCalled();
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// Finally, act as if the user said no to this dialog;
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// this should preventDefault on the location change.
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mockWindow.confirm.andReturn(false);
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fireListener("$locationChangeStart", mockEvent);
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expect(mockWindow.confirm).toHaveBeenCalledWith("some message");
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expect(mockEvent.preventDefault).toHaveBeenCalled();
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});
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it("cleans up listeners when destroyed", function () {
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fireListener("$destroy", mockEvent);
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expect(mockWindow.onbeforeunload).toBeUndefined();
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});
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});
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}
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);
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