openmct/platform/features/plot/test/PlotControllerSpec.js

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/*****************************************************************************
* Open MCT Web, Copyright (c) 2014-2015, 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.
*****************************************************************************/
/**
* MergeModelsSpec. Created by vwoeltje on 11/6/14.
*/
define(
["../src/PlotController"],
function (PlotController) {
describe("The plot controller", function () {
var mockScope,
mockFormatter,
mockHandler,
mockThrottle,
mockHandle,
mockDomainObject,
mockSeries,
controller;
function bind(method, thisObj) {
return function () {
return method.apply(thisObj, arguments);
};
}
function fireEvent(name, args) {
mockScope.$on.calls.forEach(function (call) {
if (call.args[0] === name) {
call.args[1].apply(null, args || []);
}
});
}
function fireWatch(expr, value) {
mockScope.$watch.calls.forEach(function (call) {
if (call.args[0] === expr) {
call.args[1].apply(null, [value]);
}
});
}
beforeEach(function () {
mockScope = jasmine.createSpyObj(
"$scope",
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[ "$watch", "$on", "$emit" ]
);
mockFormatter = jasmine.createSpyObj(
"formatter",
[ "formatDomainValue", "formatRangeValue" ]
);
mockDomainObject = jasmine.createSpyObj(
"domainObject",
[ "getId", "getModel", "getCapability" ]
);
mockHandler = jasmine.createSpyObj(
"telemetrySubscriber",
["handle"]
);
mockThrottle = jasmine.createSpy("throttle");
mockHandle = jasmine.createSpyObj(
"subscription",
[
"unsubscribe",
"getTelemetryObjects",
"getMetadata",
"getDomainValue",
"getRangeValue",
"getDatum",
"request"
]
);
mockSeries = jasmine.createSpyObj(
'series',
['getPointCount', 'getDomainValue', 'getRangeValue']
);
mockHandler.handle.andReturn(mockHandle);
mockThrottle.andCallFake(function (fn) { return fn; });
mockHandle.getTelemetryObjects.andReturn([mockDomainObject]);
mockHandle.getMetadata.andReturn([{}]);
mockHandle.getDomainValue.andReturn(123);
mockHandle.getRangeValue.andReturn(42);
mockScope.domainObject = mockDomainObject;
controller = new PlotController(
mockScope,
mockFormatter,
mockHandler,
mockThrottle
);
});
it("provides plot colors", function () {
// PlotPalette will have its own tests
expect(controller.getColor(0))
.toEqual(jasmine.any(String));
// Colors should be unique
expect(controller.getColor(0))
.not.toEqual(controller.getColor(1));
});
it("subscribes to telemetry when a domain object appears in scope", function () {
// Make sure we're using the right watch here
expect(mockScope.$watch.mostRecentCall.args[0])
.toEqual("domainObject");
// Make an object available
mockScope.$watch.mostRecentCall.args[1](mockDomainObject);
// Should have subscribed
expect(mockHandler.handle).toHaveBeenCalledWith(
mockDomainObject,
jasmine.any(Function),
true // Lossless
);
});
it("draws lines when data becomes available", function () {
// Make an object available
mockScope.$watch.mostRecentCall.args[1](mockDomainObject);
// Verify precondition
controller.getSubPlots().forEach(function (subplot) {
expect(subplot.getDrawingObject().lines)
.not.toBeDefined();
});
// Make sure there actually are subplots being verified
expect(controller.getSubPlots().length > 0).toBeTruthy();
// Broadcast data
mockHandler.handle.mostRecentCall.args[1]();
controller.getSubPlots().forEach(function (subplot) {
expect(subplot.getDrawingObject().lines)
.toBeDefined();
});
});
it("unsubscribes when domain object changes", function () {
// Make an object available
mockScope.$watch.mostRecentCall.args[1](mockDomainObject);
// Verify precondition - shouldn't unsubscribe yet
expect(mockHandle.unsubscribe).not.toHaveBeenCalled();
// Remove the domain object
mockScope.$watch.mostRecentCall.args[1](undefined);
// Should have unsubscribed
expect(mockHandle.unsubscribe).toHaveBeenCalled();
});
it("changes modes depending on number of objects", function () {
// Act like one object is available
mockHandle.getTelemetryObjects.andReturn([
mockDomainObject
]);
// Make an object available; invoke handler's callback
mockScope.$watch.mostRecentCall.args[1](mockDomainObject);
mockHandler.handle.mostRecentCall.args[1]();
expect(controller.getModeOptions().length).toEqual(1);
// Act like one object is available
mockHandle.getTelemetryObjects.andReturn([
mockDomainObject,
mockDomainObject,
mockDomainObject
]);
// Make an object available; invoke handler's callback
mockScope.$watch.mostRecentCall.args[1](mockDomainObject);
mockHandler.handle.mostRecentCall.args[1]();
expect(controller.getModeOptions().length).toEqual(2);
});
// Interface tests follow; these will be delegated (mostly
// to PlotModeOptions, which is tested separately).
it("provides access to available plot mode options", function () {
expect(Array.isArray(controller.getModeOptions()))
.toBeTruthy();
});
it("provides a current plot mode", function () {
expect(controller.getMode().name)
.toEqual(jasmine.any(String));
});
it("allows plot mode to be changed", function () {
expect(function () {
controller.setMode(controller.getMode());
}).not.toThrow();
});
it("provides an array of sub-plots", function () {
expect(Array.isArray(controller.getSubPlots()))
.toBeTruthy();
});
it("allows plots to be updated", function () {
expect(bind(controller.update, controller)).not.toThrow();
});
it("allows changing pan-zoom state", function () {
expect(bind(controller.isZoomed, controller)).not.toThrow();
expect(bind(controller.stepBackPanZoom, controller)).not.toThrow();
expect(bind(controller.unzoom, controller)).not.toThrow();
});
it("indicates if a request is pending", function () {
mockScope.$watch.mostRecentCall.args[1](mockDomainObject);
expect(controller.isRequestPending()).toBeTruthy();
mockHandle.request.mostRecentCall.args[1](
mockDomainObject,
mockSeries
);
expect(controller.isRequestPending()).toBeFalsy();
});
it("requests historical telemetry", function () {
mockScope.$watch.mostRecentCall.args[1](mockDomainObject);
expect(mockHandle.request).toHaveBeenCalled();
mockHandle.request.mostRecentCall.args[1](
mockDomainObject,
mockSeries
);
});
it("unsubscribes when destroyed", function () {
// Make an object available
mockScope.$watch.mostRecentCall.args[1](mockDomainObject);
// Make sure $destroy is what's listened for
expect(mockScope.$on.mostRecentCall.args[0]).toEqual('$destroy');
// Also verify precondition
expect(mockHandle.unsubscribe).not.toHaveBeenCalled();
// Destroy the scope
fireEvent("$destroy");
// Should have unsubscribed
expect(mockHandle.unsubscribe).toHaveBeenCalled();
});
it("requeries when displayable bounds change", function () {
mockScope.$watch.mostRecentCall.args[1](mockDomainObject);
expect(mockHandle.request.calls.length).toEqual(1);
fireEvent("telemetry:display:bounds", [
{},
{ start: 10, end: 100 }
]);
expect(mockHandle.request.calls.length).toEqual(2);
});
it("requeries when user changes domain selection", function () {
mockScope.$watch.mostRecentCall.args[1](mockDomainObject);
expect(mockHandle.request.calls.length).toEqual(1);
fireWatch("axes[0].active.key", 'someNewKey');
expect(mockHandle.request.calls.length).toEqual(2);
});
it("requeries when user changes range selection", function () {
mockScope.$watch.mostRecentCall.args[1](mockDomainObject);
expect(mockHandle.request.calls.length).toEqual(1);
fireWatch("axes[1].active.key", 'someNewKey');
expect(mockHandle.request.calls.length).toEqual(2);
});
it("maintains externally-provided domain axis bounds after data is received", function () {
mockSeries.getPointCount.andReturn(3);
mockSeries.getRangeValue.andReturn(42);
mockSeries.getDomainValue.andCallFake(function (i) {
return 2500 + i * 2500;
});
mockScope.$watch.mostRecentCall.args[1](mockDomainObject);
fireEvent("telemetry:display:bounds", [
{},
{start: 0, end: 10000}
]);
mockHandle.request.mostRecentCall.args[1](
mockDomainObject,
mockSeries
);
// Pan-zoom state should reflect bounds set externally;
// domain axis should not have shrunk to fit data.
expect(
controller.getSubPlots()[0].panZoomStack.getOrigin()[0]
).toEqual(0);
expect(
controller.getSubPlots()[0].panZoomStack.getDimensions()[0]
).toEqual(10000);
});
it("provides classes for legends based on limit state", function () {
var mockTelemetryObjects = mockHandle.getTelemetryObjects();
mockHandle.getDatum.andReturn({});
mockTelemetryObjects.forEach(function (mockObject, i) {
var id = 'object-' + i,
mockLimitCapability =
jasmine.createSpyObj('limit-' + id, ['evaluate']);
mockObject.getId.andReturn(id);
mockObject.getCapability.andCallFake(function (key) {
return (key === 'limit') && mockLimitCapability;
});
mockLimitCapability.evaluate
.andReturn({ cssClass: 'alarm-' + id });
});
mockScope.$watch.mostRecentCall.args[1](mockDomainObject);
mockHandler.handle.mostRecentCall.args[1]();
mockTelemetryObjects.forEach(function (mockTelemetryObject) {
expect(controller.getLegendClass(mockTelemetryObject))
.toEqual('alarm-' + mockTelemetryObject.getId());
});
});
});
}
);