/***************************************************************************** * Open MCT, Copyright (c) 2014-2016, United States Government * as represented by the Administrator of the National Aeronautics and Space * Administration. All rights reserved. * * Open MCT 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 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. *****************************************************************************/ /** * MCTRepresentationSpec. Created by vwoeltje on 11/6/14. */ define( ["../src/MCTRepresentation"], function (MCTRepresentation) { var JQLITE_FUNCTIONS = ["on", "off", "attr", "removeAttr"], LOG_FUNCTIONS = ["error", "warn", "info", "debug"], DOMAIN_OBJECT_METHODS = ["getId", "getModel", "getCapability", "hasCapability", "useCapability"]; describe("The mct-representation directive", function () { var testRepresentations, testViews, testUrls, mockRepresenters, mockMutationCapability, mockQ, mockLinker, mockLog, mockChangeTemplate, mockScope, mockElement, mockDomainObject, testModel, mctRepresentation; function mockPromise(value) { return (value && value.then) ? value : { then: function (callback) { return mockPromise(callback(value)); } }; } function fireWatch(expr, value) { mockScope.$watch.calls.forEach(function (call) { if (call.args[0] === expr) { call.args[1](value); } }); } beforeEach(function () { testUrls = {}; testRepresentations = [ { key: "abc", bundle: { path: "a", resources: "b" }, templateUrl: "c/template.html" }, { key: "def", bundle: { path: "d", resources: "e" }, templateUrl: "f/template.html", uses: ["testCapability", "otherTestCapability"] } ]; testViews = [ { key: "uvw", bundle: { path: "u", resources: "v" }, templateUrl: "w/template.html", gestures: ["testGesture", "otherTestGesture"] }, { key: "xyz", bundle: { path: "x", resources: "y" }, templateUrl: "z/template.html" } ]; testModel = { someKey: "some value" }; testUrls = {}; testViews.concat(testRepresentations).forEach(function (t, i) { testUrls[t.key] = "some URL " + String(i); }); mockRepresenters = ["A", "B"].map(function (name) { var constructor = jasmine.createSpy("Representer" + name), representer = jasmine.createSpyObj( "representer" + name, ["represent", "destroy"] ); constructor.andReturn(representer); return constructor; }); mockQ = { when: mockPromise }; mockLinker = jasmine.createSpyObj( 'templateLinker', ['link', 'getPath'] ); mockChangeTemplate = jasmine.createSpy('changeTemplate'); mockLog = jasmine.createSpyObj("$log", LOG_FUNCTIONS); mockMutationCapability = jasmine.createSpyObj("mutation", ["listen"]); mockScope = jasmine.createSpyObj("scope", ["$watch", "$on"]); mockElement = jasmine.createSpyObj("element", JQLITE_FUNCTIONS); mockDomainObject = jasmine.createSpyObj("domainObject", DOMAIN_OBJECT_METHODS); mockDomainObject.getModel.andReturn(testModel); mockLinker.link.andReturn(mockChangeTemplate); mockLinker.getPath.andCallFake(function (ext) { return testUrls[ext.key]; }); mockDomainObject.getCapability.andCallFake(function (c) { return c === 'mutation' && mockMutationCapability; }); mctRepresentation = new MCTRepresentation( testRepresentations, testViews, mockRepresenters, mockQ, mockLinker, mockLog ); mctRepresentation.link(mockScope, mockElement); }); it("is restricted to elements", function () { expect(mctRepresentation.restrict).toEqual("E"); }); it("exposes templates via the templateLinker", function () { expect(mockLinker.link) .toHaveBeenCalledWith(mockScope, mockElement); }); it("watches scope when linked", function () { expect(mockScope.$watch).toHaveBeenCalledWith( "key", jasmine.any(Function) ); expect(mockScope.$watch).toHaveBeenCalledWith( "domainObject", jasmine.any(Function) ); }); it("recognizes keys for representations", function () { mockScope.key = "abc"; mockScope.domainObject = mockDomainObject; // Trigger the watch fireWatch('key', mockScope.key); fireWatch('domainObject', mockDomainObject); expect(mockChangeTemplate) .toHaveBeenCalledWith(testRepresentations[0]); }); it("recognizes keys for views", function () { mockScope.key = "xyz"; mockScope.domainObject = mockDomainObject; // Trigger the watches fireWatch('key', mockScope.key); fireWatch('domainObject', mockDomainObject); expect(mockChangeTemplate) .toHaveBeenCalledWith(testViews[1]); }); it("does not load templates until there is an object", function () { mockScope.key = "xyz"; // Trigger the watch fireWatch('key', mockScope.key); expect(mockChangeTemplate) .not.toHaveBeenCalledWith(jasmine.any(Object)); mockScope.domainObject = mockDomainObject; fireWatch('domainObject', mockDomainObject); expect(mockChangeTemplate) .toHaveBeenCalledWith(jasmine.any(Object)); }); it("loads declared capabilities", function () { mockScope.key = "def"; mockScope.domainObject = mockDomainObject; // Trigger the watch mockScope.$watch.calls[0].args[1](); expect(mockDomainObject.useCapability) .toHaveBeenCalledWith("testCapability"); expect(mockDomainObject.useCapability) .toHaveBeenCalledWith("otherTestCapability"); }); it("logs when no representation is available for a key", function () { mockScope.key = "someUnknownThing"; // Verify precondition expect(mockLog.warn).not.toHaveBeenCalled(); // Trigger the watch mockScope.$watch.calls[0].args[1](); // Should have gotten a warning - that's an unknown key expect(mockLog.warn).toHaveBeenCalled(); }); it("clears out obsolete properties from scope", function () { mockScope.key = "def"; mockScope.domainObject = mockDomainObject; mockDomainObject.useCapability.andReturn("some value"); // Trigger the watch mockScope.$watch.calls[0].args[1](); expect(mockScope.testCapability).toBeDefined(); // Change the view mockScope.key = "xyz"; // Trigger the watch again; should clear capability from scope mockScope.$watch.calls[0].args[1](); expect(mockScope.testCapability).toBeUndefined(); }); describe("when a domain object has been observed", function () { var mockContext, mockContext2, mockLink, mockParent; beforeEach(function () { mockContext = jasmine.createSpyObj('context', ['getPath']); mockContext2 = jasmine.createSpyObj('context', ['getPath']); mockLink = jasmine.createSpyObj( 'linkedObject', DOMAIN_OBJECT_METHODS ); mockParent = jasmine.createSpyObj( 'parentObject', DOMAIN_OBJECT_METHODS ); mockDomainObject.getCapability.andCallFake(function (c) { return { context: mockContext, mutation: mockMutationCapability }[c]; }); mockLink.getCapability.andCallFake(function (c) { return { context: mockContext2, mutation: mockMutationCapability }[c]; }); mockDomainObject.hasCapability.andCallFake(function (c) { return c === 'context'; }); mockLink.hasCapability.andCallFake(function (c) { return c === 'context'; }); mockLink.getModel.andReturn({}); mockContext.getPath.andReturn([mockDomainObject]); mockContext2.getPath.andReturn([mockParent, mockLink]); mockLink.getId.andReturn('test-id'); mockDomainObject.getId.andReturn('test-id'); mockParent.getId.andReturn('parent-id'); mockScope.key = "abc"; mockScope.domainObject = mockDomainObject; mockScope.$watch.calls[0].args[1](); }); it("listens for mutation of that object", function () { expect(mockMutationCapability.listen) .toHaveBeenCalledWith(jasmine.any(Function)); }); it("detects subsequent changes among linked instances", function () { var callCount = mockChangeTemplate.calls.length; mockScope.domainObject = mockLink; mockScope.$watch.calls[0].args[1](); expect(mockChangeTemplate.calls.length) .toEqual(callCount + 1); }); it("does not trigger excess template changes for same instances", function () { var callCount = mockChangeTemplate.calls.length; mockScope.$watch.calls[0].args[1](); expect(mockChangeTemplate.calls.length).toEqual(callCount); }); }); }); } );