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[Plot] Fill in specs

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Fill in specs for elements used by the PlotController
in order to improve coverage of the plot bundle.
WTD-533.
This commit is contained in:
Victor Woeltjen
2014-12-02 10:11:46 -08:00
parent ae05ed903b
commit 2f475fc17a
8 changed files with 348 additions and 25 deletions
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51
platform/features/plot/test/elements/PlotPreparerSpec.js
View File

@ -8,7 +8,58 @@ define(
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);
});
});
}
);