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https://github.com/nasa/openmct.git
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80 lines
3.4 KiB
JavaScript
80 lines
3.4 KiB
JavaScript
/*****************************************************************************
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* Open MCT Web, Copyright (c) 2009-2015, 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 Web 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 Web 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/controllers/drag/TimelineSnapHandler'],
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function (TimelineSnapHandler) {
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describe("A Timeline snap handler", function () {
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var mockDragHandler,
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handler;
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beforeEach(function () {
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var starts = { a: 1000, b: 2000, c: 2500, d: 2600 },
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ends = { a: 2050, b: 3000, c: 2700, d: 10000 };
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mockDragHandler = jasmine.createSpyObj(
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'dragHandler',
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['start', 'end', 'ids']
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);
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mockDragHandler.ids.andReturn(['a', 'b', 'c', 'd']);
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mockDragHandler.start.andCallFake(function (id) {
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return starts[id];
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});
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mockDragHandler.end.andCallFake(function (id) {
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return ends[id];
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});
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handler = new TimelineSnapHandler(mockDragHandler);
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});
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it("provides a preferred snap location within tolerance", function () {
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expect(handler.snap(2511, 15, 'a')).toEqual(2500); // c's start
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expect(handler.snap(2488, 15, 'a')).toEqual(2500); // c's start
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expect(handler.snap(10, 1000, 'b')).toEqual(1000); // a's start
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expect(handler.snap(2711, 20, 'd')).toEqual(2700); // c's end
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});
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it("excludes provided id from snapping", function () {
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// Don't want objects to snap to themselves, so we need
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// this exclusion.
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expect(handler.snap(2010, 50, 'b')).toEqual(2050); // a's end
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// Verify that b's start would have been used had the
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// id not been provided
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expect(handler.snap(2010, 50, 'd')).toEqual(2000);
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});
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it("snaps to the closest point, when multiple match", function () {
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// 2600 and 2700 (plus others) are both in range here
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expect(handler.snap(2651, 1000, 'a')).toEqual(2700);
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});
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it("does not snap if no points are within tolerance", function () {
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// Closest are 1000 and 2000, which are well outside of tolerance
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expect(handler.snap(1503, 100, 'd')).toEqual(1503);
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});
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});
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}
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);
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