[Tables] Tests and style fixes
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Henry
191
platform/features/table/test/TelemetryCollectionSpec.js
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191
platform/features/table/test/TelemetryCollectionSpec.js
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/*****************************************************************************
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* Open MCT, Copyright (c) 2014-2016, 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 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 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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[
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"../src/TelemetryCollection"
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],
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function (TelemetryCollection) {
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describe("A telemetry collection", function () {
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var collection;
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var telemetryObjects;
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var ms;
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var integerTextMap = ["ZERO", "ONE", "TWO", "THREE", "FOUR", "FIVE",
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"SIX", "SEVEN", "EIGHT", "NINE", "TEN", "ELEVEN"];
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beforeEach(function () {
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telemetryObjects = [0,9,2,4,7,8,5,1,3,6].map(function (number) {
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ms = number * 1000;
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return {
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timestamp: ms,
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value: {
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integer: number,
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text: integerTextMap[number]
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}
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};
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});
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collection = new TelemetryCollection();
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});
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it("Sorts inserted telemetry by specified field",
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function () {
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collection.sort('value.integer');
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collection.add(telemetryObjects);
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expect(collection.telemetry[0].value.integer).toBe(0);
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expect(collection.telemetry[1].value.integer).toBe(1);
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expect(collection.telemetry[2].value.integer).toBe(2);
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expect(collection.telemetry[3].value.integer).toBe(3);
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collection.sort('value.text');
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expect(collection.telemetry[0].value.text).toBe("EIGHT");
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expect(collection.telemetry[1].value.text).toBe("FIVE");
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expect(collection.telemetry[2].value.text).toBe("FOUR");
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expect(collection.telemetry[3].value.text).toBe("NINE");
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}
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);
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describe("on bounds change", function () {
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var discardedCallback;
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beforeEach(function () {
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discardedCallback = jasmine.createSpy("discarded");
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collection.on("discarded", discardedCallback);
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collection.sort("timestamp");
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collection.add(telemetryObjects);
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collection.bounds({start: 5000, end: 8000});
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});
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it("emits an event indicating that telemetry has " +
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"been discarded", function () {
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expect(discardedCallback).toHaveBeenCalled();
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});
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it("discards telemetry data with a time stamp " +
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"before specified start bound", function () {
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var discarded = discardedCallback.mostRecentCall.args[0];
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// Expect 5 because as an optimization, the TelemetryCollection
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// will not consider telemetry values that exceed the upper
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// bounds. Arbitrary bounds changes in which the end bound is
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// decreased is assumed to require a new historical query, and
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// hence re-population of the collection anyway
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expect(discarded.length).toBe(5);
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expect(discarded[0].value.integer).toBe(0);
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expect(discarded[1].value.integer).toBe(1);
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expect(discarded[4].value.integer).toBe(4);
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});
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});
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describe("when adding telemetry to a collection", function () {
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var addedCallback;
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beforeEach(function () {
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collection.sort("timestamp");
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collection.add(telemetryObjects);
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addedCallback = jasmine.createSpy("added");
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collection.on("added", addedCallback);
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});
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it("emits an event",
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function () {
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var addedObject = {
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timestamp: 10000,
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value: {
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integer: 10,
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text: integerTextMap[10]
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}
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};
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collection.add([addedObject]);
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expect(addedCallback).toHaveBeenCalledWith([addedObject]);
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}
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);
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it("inserts in the correct order",
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function () {
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var addedObjectA = {
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timestamp: 10000,
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value: {
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integer: 10,
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text: integerTextMap[10]
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}
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};
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var addedObjectB = {
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timestamp: 11000,
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value: {
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integer: 11,
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text: integerTextMap[11]
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}
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};
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collection.add([addedObjectB, addedObjectA]);
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expect(collection.telemetry[11]).toBe(addedObjectB);
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}
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);
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});
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describe("buffers telemetry", function () {
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var addedObjectA;
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var addedObjectB;
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beforeEach(function () {
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collection.sort("timestamp");
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collection.add(telemetryObjects);
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addedObjectA = {
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timestamp: 10000,
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value: {
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integer: 10,
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text: integerTextMap[10]
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}
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};
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addedObjectB = {
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timestamp: 11000,
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value: {
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integer: 11,
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text: integerTextMap[11]
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}
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};
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collection.bounds({start: 0, end: 10000});
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collection.add([addedObjectA, addedObjectB]);
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});
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it("when it falls outside of bounds", function () {
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expect(collection.highBuffer).toBeDefined();
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expect(collection.highBuffer.length).toBe(1);
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expect(collection.highBuffer[0]).toBe(addedObjectB);
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});
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it("and adds it to collection when it falls within bounds", function () {
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expect(collection.telemetry.length).toBe(11);
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collection.bounds({start: 0, end: 11000});
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expect(collection.telemetry.length).toBe(12);
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expect(collection.telemetry[11]).toBe(addedObjectB);
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});
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it("and removes it from the buffer when it falls within bounds", function () {
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expect(collection.highBuffer.length).toBe(1);
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collection.bounds({start: 0, end: 11000});
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expect(collection.highBuffer.length).toBe(0);
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});
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});
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});
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}
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);
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