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76 lines
3.3 KiB
JavaScript
76 lines
3.3 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/capabilities/ResourceGraph'],
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function (ResourceGraph) {
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describe("A resource graph capability", function () {
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// Placeholder; WTD-918 will implement
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it("has zero points for zero utilization changes", function () {
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var graph = new ResourceGraph([]);
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expect(graph.getPointCount()).toEqual(0);
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});
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it("creates steps based on resource utilizations", function () {
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var graph = new ResourceGraph([
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{ start: 5, end: 100, value: 42 },
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{ start: 50, end: 120, value: -22 },
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{ start: 15, end: 40, value: 30 },
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{ start: 150, end: 180, value: -10 }
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]);
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expect(graph.getPointCount()).toEqual(16);
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// Should get two values at every time stamp, for step-like appearance
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[5, 15, 40, 50, 100, 120, 150, 180].forEach(function (v, i) {
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expect(graph.getDomainValue(i * 2)).toEqual(v);
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expect(graph.getDomainValue(i * 2 + 1)).toEqual(v);
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});
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// Should also repeat values at subsequent indexes, but offset differently,
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// for horizontal spans between steps
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[0, 42, 72, 42, 20, -22, 0, -10].forEach(function (v, i) {
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expect(graph.getRangeValue(i * 2)).toEqual(v);
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// Offset backwards; wrap around end of the series
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expect(graph.getRangeValue((16 + i * 2 - 1) % 16)).toEqual(v);
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});
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});
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it("filters out zero-duration spikes", function () {
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var graph = new ResourceGraph([
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{ start: 5, end: 100, value: 42 },
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{ start: 100, end: 120, value: -22 },
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{ start: 100, end: 180, value: 30 },
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{ start: 130, end: 180, value: -10 }
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]);
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// There are only 5 unique timestamps there, so there should
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// be 5 steps, for 10 total points
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expect(graph.getPointCount()).toEqual(10);
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});
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});
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}
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);
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