openmct/platform/features/timeline/test/capabilities/TimelineTimespanSpec.js
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110 lines
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JavaScript

/*****************************************************************************
* Open MCT Web, Copyright (c) 2009-2015, 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.
*****************************************************************************/
define(
['../../src/capabilities/TimelineTimespan'],
function (TimelineTimespan) {
describe("A Timeline's timespan", function () {
var testModel,
mockTimespans,
mockMutation,
mutationModel,
timespan;
function makeMockTimespan(end) {
var mockTimespan = jasmine.createSpyObj(
'timespan-' + end,
['getEnd']
);
mockTimespan.getEnd.andReturn(end);
return mockTimespan;
}
beforeEach(function () {
testModel = {
start: {
timestamp: 42000,
epoch: "TEST"
}
};
mutationModel = JSON.parse(JSON.stringify(testModel));
mockMutation = jasmine.createSpyObj("mutation", ["mutate"]);
mockTimespans = [ 44000, 65000, 1100 ].map(makeMockTimespan);
mockMutation.mutate.andCallFake(function (mutator) {
mutator(mutationModel);
});
timespan = new TimelineTimespan(
testModel,
mockMutation,
mockTimespans
);
});
it("provides a start time", function () {
expect(timespan.getStart()).toEqual(42000);
});
it("provides an end time", function () {
expect(timespan.getEnd()).toEqual(65000);
});
it("provides duration", function () {
expect(timespan.getDuration()).toEqual(65000 - 42000);
});
it("provides an epoch", function () {
expect(timespan.getEpoch()).toEqual("TEST");
});
it("sets start time using mutation capability", function () {
timespan.setStart(52000);
expect(mutationModel.start.timestamp).toEqual(52000);
// Original model should still be the same
expect(testModel.start.timestamp).toEqual(42000);
});
it("makes no changes with setEnd", function () {
// Copy initial state to verify that it doesn't change
var initialModel = JSON.parse(JSON.stringify(testModel));
timespan.setEnd(123454321);
// Neither model should have changed
expect(testModel).toEqual(initialModel);
expect(mutationModel).toEqual(initialModel);
});
it("makes no changes with setDuration", function () {
// Copy initial state to verify that it doesn't change
var initialModel = JSON.parse(JSON.stringify(testModel));
timespan.setDuration(123454321);
// Neither model should have changed
expect(testModel).toEqual(initialModel);
expect(mutationModel).toEqual(initialModel);
});
});
}
);