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238 lines
10 KiB
JavaScript
238 lines
10 KiB
JavaScript
/*****************************************************************************
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* Open MCT Web, Copyright (c) 2014-2015, 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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/**
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* MergeModelsSpec. Created by vwoeltje on 11/6/14.
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*/
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define(
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["../../src/elements/PlotUpdater"],
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function (PlotUpdater) {
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describe("A plot updater", function () {
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var mockSubscription,
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testDomain,
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testRange,
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testDomainValues,
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testRangeValues,
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mockSeries,
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updater;
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function makeMockDomainObject(id) {
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var mockDomainObject = jasmine.createSpyObj(
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"object-" + id,
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[ "getId", "getCapability", "getModel" ]
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);
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mockDomainObject.getId.andReturn(id);
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return mockDomainObject;
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}
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beforeEach(function () {
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var ids = [ 'a', 'b', 'c' ],
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mockObjects = ids.map(makeMockDomainObject);
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mockSubscription = jasmine.createSpyObj(
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"subscription",
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[ "getDomainValue", "getRangeValue", "getTelemetryObjects" ]
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);
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mockSeries = jasmine.createSpyObj(
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'series',
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['getPointCount', 'getDomainValue', 'getRangeValue']
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);
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testDomain = "testDomain";
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testRange = "testRange";
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testDomainValues = { a: 3, b: 7, c: 13 };
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testRangeValues = { a: 123, b: 456, c: 789 };
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mockSubscription.getTelemetryObjects.andReturn(mockObjects);
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mockSubscription.getDomainValue.andCallFake(function (mockObject) {
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return testDomainValues[mockObject.getId()];
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});
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mockSubscription.getRangeValue.andCallFake(function (mockObject) {
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return testRangeValues[mockObject.getId()];
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});
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updater = new PlotUpdater(
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mockSubscription,
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testDomain,
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testRange,
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1350 // Smaller max size for easier testing
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);
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});
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it("provides one buffer per telemetry object", function () {
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expect(updater.getLineBuffers().length).toEqual(3);
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});
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it("changes buffer count if telemetry object counts change", function () {
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mockSubscription.getTelemetryObjects
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.andReturn([makeMockDomainObject('a')]);
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updater.update();
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expect(updater.getLineBuffers().length).toEqual(1);
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});
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it("can handle delayed telemetry object availability", function () {
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// The case can occur where getTelemetryObjects() returns an
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// empty array - specifically, while objects are still being
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// loaded. The updater needs to be able to cope with that
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// case.
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var tmp = mockSubscription.getTelemetryObjects();
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mockSubscription.getTelemetryObjects.andReturn([]);
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// Reinstantiate with the empty subscription
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updater = new PlotUpdater(
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mockSubscription,
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testDomain,
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testRange
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);
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// Should have 0 buffers for 0 objects
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expect(updater.getLineBuffers().length).toEqual(0);
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// Restore the three objects the test subscription would
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// normally have.
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mockSubscription.getTelemetryObjects.andReturn(tmp);
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updater.update();
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// Should have 3 buffers for 3 objects
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expect(updater.getLineBuffers().length).toEqual(3);
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});
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it("accepts historical telemetry updates", function () {
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var mockObject = mockSubscription.getTelemetryObjects()[0];
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mockSeries.getPointCount.andReturn(3);
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mockSeries.getDomainValue.andCallFake(function (i) {
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return 1000 + i * 1000;
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});
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mockSeries.getRangeValue.andReturn(10);
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// PlotLine & PlotLineBuffer are tested for most of the
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// details here, so just check for some expected side
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// effect; in this case, should see more points in the buffer
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expect(updater.getLineBuffers()[0].getLength()).toEqual(1);
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updater.addHistorical(mockObject, mockSeries);
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expect(updater.getLineBuffers()[0].getLength()).toEqual(4);
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});
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it("clears the domain offset if no objects are present", function () {
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mockSubscription.getTelemetryObjects.andReturn([]);
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updater.update();
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expect(updater.getDomainOffset()).toBeUndefined();
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});
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it("handles empty historical telemetry updates", function () {
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// General robustness check for when a series is empty
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var mockObject = mockSubscription.getTelemetryObjects()[0];
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mockSeries.getPointCount.andReturn(0);
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mockSeries.getDomainValue.andCallFake(function (i) {
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return 1000 + i * 1000;
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});
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mockSeries.getRangeValue.andReturn(10);
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// PlotLine & PlotLineBuffer are tested for most of the
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// details here, so just check for some expected side
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// effect; in this case, should see more points in the buffer
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expect(updater.getLineBuffers()[0].getLength()).toEqual(1);
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updater.addHistorical(mockObject, mockSeries);
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expect(updater.getLineBuffers()[0].getLength()).toEqual(1);
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});
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it("can initialize domain offset from historical telemetry", function () {
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var tmp = mockSubscription.getTelemetryObjects();
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mockSubscription.getTelemetryObjects.andReturn([]);
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// Reinstantiate with the empty subscription
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updater = new PlotUpdater(
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mockSubscription,
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testDomain,
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testRange
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);
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// Restore subscription, provide some historical data
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mockSubscription.getTelemetryObjects.andReturn(tmp);
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mockSeries.getPointCount.andReturn(3);
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mockSeries.getDomainValue.andCallFake(function (i) {
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return 1000 + i * 1000;
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});
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mockSeries.getRangeValue.andReturn(10);
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// PlotLine & PlotLineBuffer are tested for most of the
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// details here, so just check for some expected side
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// effect; in this case, should see more points in the buffer
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expect(updater.getDomainOffset()).toBeUndefined();
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updater.addHistorical(tmp[0], mockSeries);
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expect(updater.getDomainOffset()).toBeDefined();
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});
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it("provides some margin for the range", function () {
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var mockObject = mockSubscription.getTelemetryObjects()[0];
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mockSeries.getPointCount.andReturn(3);
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mockSeries.getDomainValue.andCallFake(function (i) {
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return 1000 + i * 1000;
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});
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mockSeries.getRangeValue.andCallFake(function (i) {
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return 10 + i; // 10, 20, 30
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});
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updater.addHistorical(mockObject, mockSeries);
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expect(updater.getOrigin()[1]).toBeLessThan(10);
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expect(updater.getDimensions()[1]).toBeGreaterThan(20);
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});
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describe("when no data is initially available", function () {
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beforeEach(function () {
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testDomainValues = {};
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testRangeValues = {};
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updater = new PlotUpdater(
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mockSubscription,
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testDomain,
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testRange,
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1350 // Smaller max size for easier testing
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);
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});
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it("has no line data", function () {
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// Either no lines, or empty lines are fine
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expect(updater.getLineBuffers().map(function (lineBuffer) {
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return lineBuffer.getLength();
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}).reduce(function (a, b) {
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return a + b;
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}, 0)).toEqual(0);
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});
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it("determines initial domain bounds from first available data", function () {
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testDomainValues.a = 123;
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testRangeValues.a = 456;
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updater.update();
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expect(updater.getOrigin()[0]).toEqual(jasmine.any(Number));
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expect(updater.getOrigin()[1]).toEqual(jasmine.any(Number));
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expect(isNaN(updater.getOrigin()[0])).toBeFalsy();
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expect(isNaN(updater.getOrigin()[1])).toBeFalsy();
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});
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});
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});
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}
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);
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