Files
openmct/platform/core/test/capabilities/CompositionCapabilitySpec.js
Victor Woeltjen e18b4f234f [Core] Add spec for CompositionCapability
Add spec for CompositionCapability; ongoing improvement of
test coverage for WTD-573.
2014-11-21 16:06:50 -08:00

95 lines
3.1 KiB
JavaScript

/*global define,Promise,describe,it,expect,beforeEach,waitsFor,jasmine*/
/**
* CompositionCapabilitySpec. Created by vwoeltje on 11/6/14.
*/
define(
["../../src/capabilities/CompositionCapability"],
function (CompositionCapability) {
"use strict";
var DOMAIN_OBJECT_METHODS = [
"getId",
"getModel",
"getCapability",
"hasCapability",
"useCapability"
];
describe("The composition capability", function () {
var mockDomainObject,
mockInjector,
mockObjectService,
composition;
// Composition Capability makes use of promise chaining,
// so support that, but don't introduce complication of
// native promises.
function mockPromise(value) {
return {
then: function (callback) {
return mockPromise(callback(value));
}
};
}
beforeEach(function () {
mockDomainObject = jasmine.createSpyObj(
"domainObject",
DOMAIN_OBJECT_METHODS
);
mockObjectService = jasmine.createSpyObj(
"objectService",
[ "getObjects" ]
);
mockInjector = {
get: function (name) {
return (name === "objectService") && mockObjectService;
}
};
mockObjectService.getObjects.andReturn(mockPromise([]));
composition = new CompositionCapability(
mockInjector,
mockDomainObject
);
});
it("applies only to models with a composition field", function () {
expect(CompositionCapability.appliesTo({ composition: [] }))
.toBeTruthy();
expect(CompositionCapability.appliesTo({}))
.toBeFalsy();
});
it("requests ids found in model's composition from the object service", function () {
var ids = [ "a", "b", "c", "xyz" ];
mockDomainObject.getModel.andReturn({ composition: ids });
composition.invoke();
expect(mockObjectService.getObjects).toHaveBeenCalledWith(ids);
});
it("adds a context capability to returned domain objects", function () {
var result,
mockChild = jasmine.createSpyObj("child", DOMAIN_OBJECT_METHODS);
mockDomainObject.getModel.andReturn({ composition: ["x"] });
mockObjectService.getObjects.andReturn(mockPromise({x: mockChild}));
mockChild.getCapability.andReturn(undefined);
composition.invoke().then(function (c) { result = c; });
// Should have been added by a wrapper
expect(result[0].getCapability('context')).toBeDefined();
});
});
}
);