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[Plot] Add test cases

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Add test cases to spec for PlotUpdater to reflect changes
for merging streaming and historical data. WTD-806.
This commit is contained in:
Victor Woeltjen 2015-04-17 16:55:49 -07:00
parent 74b9d68dc8
commit ffcd91f88d
1 changed files with 75 additions and 0 deletions

75
platform/features/plot/test/elements/PlotUpdaterSpec.js

@ -14,6 +14,7 @@ define(
testRange,
testDomainValues,
testRangeValues,
mockSeries,
updater;
function makeMockDomainObject(id) {
@ -33,6 +34,10 @@ define(
"subscription",
[ "getDomainValue", "getRangeValue", "getTelemetryObjects" ]
);
mockSeries = jasmine.createSpyObj(
'series',
['getPointCount', 'getDomainValue', 'getRangeValue']
);
testDomain = "testDomain";
testRange = "testRange";
testDomainValues = { a: 3, b: 7, c: 13 };
@ -92,6 +97,76 @@ define(
expect(updater.getLineBuffers().length).toEqual(3);
});
it("accepts historical telemetry updates", function () {
var mockObject = mockSubscription.getTelemetryObjects()[0];
mockSeries.getPointCount.andReturn(3);
mockSeries.getDomainValue.andCallFake(function (i) {
return 1000 + i * 1000;
});
mockSeries.getRangeValue.andReturn(10);
// PlotLine & PlotLineBuffer are tested for most of the
// details here, so just check for some expected side
// effect; in this case, should see more points in the buffer
expect(updater.getLineBuffers()[0].getLength()).toEqual(1);
updater.addHistorical(mockObject, mockSeries);
expect(updater.getLineBuffers()[0].getLength()).toEqual(4);
});
it("clears the domain offset if no objects are present", function () {
mockSubscription.getTelemetryObjects.andReturn([]);
updater.update();
expect(updater.getDomainOffset()).toBeUndefined();
});
it("handles empty historical telemetry updates", function () {
// General robustness check for when a series is empty
var mockObject = mockSubscription.getTelemetryObjects()[0];
mockSeries.getPointCount.andReturn(0);
mockSeries.getDomainValue.andCallFake(function (i) {
return 1000 + i * 1000;
});
mockSeries.getRangeValue.andReturn(10);
// PlotLine & PlotLineBuffer are tested for most of the
// details here, so just check for some expected side
// effect; in this case, should see more points in the buffer
expect(updater.getLineBuffers()[0].getLength()).toEqual(1);
updater.addHistorical(mockObject, mockSeries);
expect(updater.getLineBuffers()[0].getLength()).toEqual(1);
});
it("can initialize domain offset from historical telemetry", function () {
var tmp = mockSubscription.getTelemetryObjects();
mockSubscription.getTelemetryObjects.andReturn([]);
// Reinstantiate with the empty subscription
updater = new PlotUpdater(
mockSubscription,
testDomain,
testRange
);
// Restore subscription, provide some historical data
mockSubscription.getTelemetryObjects.andReturn(tmp);
mockSeries.getPointCount.andReturn(3);
mockSeries.getDomainValue.andCallFake(function (i) {
return 1000 + i * 1000;
});
mockSeries.getRangeValue.andReturn(10);
// PlotLine & PlotLineBuffer are tested for most of the
// details here, so just check for some expected side
// effect; in this case, should see more points in the buffer
expect(updater.getDomainOffset()).toBeUndefined();
updater.addHistorical(tmp[0], mockSeries);
expect(updater.getDomainOffset()).toBeDefined();
});
});
}
);