openmct/platform/features/plot/test/elements/PlotPreparerSpec.js
Victor Woeltjen 10863514cb [Licenses] Add license headers
WTD-1051.
2015-05-13 16:43:30 -07:00

93 lines
3.7 KiB
JavaScript

/*****************************************************************************
* 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
* at runtime from the About dialog for additional information.
*****************************************************************************/
/*global define,Promise,describe,it,expect,beforeEach,waitsFor,jasmine,Float32Array*/
/**
* MergeModelsSpec. Created by vwoeltje on 11/6/14.
*/
define(
["../../src/elements/PlotPreparer"],
function (PlotPreparer) {
"use strict";
var START = 123456;
describe("A plot preparer", function () {
function makeMockData(scale) {
var mockData = jasmine.createSpyObj(
"data" + scale,
[ "getPointCount", "getDomainValue", "getRangeValue" ]
);
mockData.getPointCount.andReturn(1000);
mockData.getDomainValue.andCallFake(function (i) {
return START + i * 1000;
});
mockData.getRangeValue.andCallFake(function (i) {
return Math.sin(i / 100) * scale;
});
return mockData;
}
it("fits to provided data sets", function () {
var datas = [1, 2, 3].map(makeMockData),
preparer = new PlotPreparer(datas);
expect(preparer.getDomainOffset()).toEqual(START);
expect(preparer.getOrigin()[0]).toBeCloseTo(START, 3);
expect(preparer.getOrigin()[1]).toBeCloseTo(-3, 3);
expect(preparer.getDimensions()[0]).toBeCloseTo(999000, 3);
expect(preparer.getDimensions()[1]).toBeCloseTo(6, 3);
});
it("looks up values using a specified domain and range", function () {
var datas = [makeMockData(1)],
preparer = new PlotPreparer(datas, "testDomain", "testRange");
expect(datas[0].getDomainValue).toHaveBeenCalledWith(
jasmine.any(Number),
"testDomain"
);
expect(datas[0].getRangeValue).toHaveBeenCalledWith(
jasmine.any(Number),
"testRange"
);
});
it("provides a default range if data set is flat", function () {
var datas = [makeMockData(0)],
preparer = new PlotPreparer(datas);
expect(preparer.getDimensions[1]).not.toEqual(0);
});
it("provides buffers", function () {
var datas = [makeMockData(0)],
preparer = new PlotPreparer(datas);
expect(preparer.getBuffers()[0] instanceof Float32Array)
.toBeTruthy();
});
});
}
);