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https://github.com/nasa/openmct.git
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75 lines
2.9 KiB
JavaScript
75 lines
2.9 KiB
JavaScript
/*****************************************************************************
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* Open MCT, Copyright (c) 2014-2018, 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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["../src/TelemetryQueue"],
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function (TelemetryQueue) {
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describe("The telemetry queue", function () {
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var queue;
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beforeEach(function () {
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// put, isEmpty, dequeue
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queue = new TelemetryQueue();
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});
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it("stores elements by key", function () {
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queue.put("a", { someKey: "some value" });
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expect(queue.poll())
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.toEqual({ a: { someKey: "some value" }});
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});
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it("merges non-overlapping keys", function () {
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queue.put("a", { someKey: "some value" });
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queue.put("b", 42);
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expect(queue.poll())
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.toEqual({ a: { someKey: "some value" }, b: 42 });
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});
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it("adds new objects for repeated keys", function () {
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queue.put("a", { someKey: "some value" });
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queue.put("a", { someKey: "some other value" });
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queue.put("b", 42);
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expect(queue.poll())
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.toEqual({ a: { someKey: "some value" }, b: 42 });
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expect(queue.poll())
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.toEqual({ a: { someKey: "some other value" } });
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});
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it("reports emptiness", function () {
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expect(queue.isEmpty()).toBeTruthy();
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queue.put("a", { someKey: "some value" });
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queue.put("a", { someKey: "some other value" });
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queue.put("b", 42);
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expect(queue.isEmpty()).toBeFalsy();
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queue.poll();
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expect(queue.isEmpty()).toBeFalsy();
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queue.poll();
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expect(queue.isEmpty()).toBeTruthy();
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});
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});
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}
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);
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