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https://github.com/nasa/openmct.git
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324 lines
12 KiB
JavaScript
324 lines
12 KiB
JavaScript
/*****************************************************************************
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* Open MCT Web, Copyright (c) 2014-2015, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT Web is licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT Web includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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/**
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* MCTRepresentationSpec. Created by vwoeltje on 11/6/14.
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*/
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define(
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["../src/MCTRepresentation"],
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function (MCTRepresentation) {
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var JQLITE_FUNCTIONS = ["on", "off", "attr", "removeAttr"],
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LOG_FUNCTIONS = ["error", "warn", "info", "debug"],
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DOMAIN_OBJECT_METHODS = ["getId", "getModel", "getCapability", "hasCapability", "useCapability"];
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describe("The mct-representation directive", function () {
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var testRepresentations,
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testViews,
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testUrls,
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mockRepresenters,
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mockStatusCapability,
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mockQ,
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mockLinker,
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mockLog,
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mockChangeTemplate,
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mockScope,
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mockElement,
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mockDomainObject,
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testModel,
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mctRepresentation;
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function mockPromise(value) {
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return (value && value.then) ? value : {
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then: function (callback) {
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return mockPromise(callback(value));
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}
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};
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}
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function fireWatch(expr, value) {
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mockScope.$watch.calls.forEach(function (call) {
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if (call.args[0] === expr) {
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call.args[1](value);
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}
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});
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}
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beforeEach(function () {
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testUrls = {};
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testRepresentations = [
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{
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key: "abc",
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bundle: { path: "a", resources: "b" },
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templateUrl: "c/template.html"
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},
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{
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key: "def",
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bundle: { path: "d", resources: "e" },
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templateUrl: "f/template.html",
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uses: ["testCapability", "otherTestCapability"]
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}
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];
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testViews = [
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{
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key: "uvw",
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bundle: { path: "u", resources: "v" },
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templateUrl: "w/template.html",
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gestures: ["testGesture", "otherTestGesture"]
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},
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{
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key: "xyz",
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bundle: { path: "x", resources: "y" },
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templateUrl: "z/template.html"
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}
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];
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testModel = { someKey: "some value" };
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testUrls = {};
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testViews.concat(testRepresentations).forEach(function (t, i) {
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testUrls[t.key] = "some URL " + String(i);
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});
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mockRepresenters = ["A", "B"].map(function (name) {
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var constructor = jasmine.createSpy("Representer" + name),
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representer = jasmine.createSpyObj(
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"representer" + name,
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["represent", "destroy"]
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);
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constructor.andReturn(representer);
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return constructor;
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});
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mockQ = { when: mockPromise };
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mockLinker = jasmine.createSpyObj(
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'templateLinker',
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['link', 'getPath']
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);
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mockChangeTemplate = jasmine.createSpy('changeTemplate');
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mockLog = jasmine.createSpyObj("$log", LOG_FUNCTIONS);
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mockStatusCapability = jasmine.createSpyObj("statusCapability", ["listen"]);
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mockScope = jasmine.createSpyObj("scope", ["$watch", "$on"]);
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mockElement = jasmine.createSpyObj("element", JQLITE_FUNCTIONS);
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mockDomainObject = jasmine.createSpyObj("domainObject", DOMAIN_OBJECT_METHODS);
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mockDomainObject.getModel.andReturn(testModel);
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mockLinker.link.andReturn(mockChangeTemplate);
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mockLinker.getPath.andCallFake(function (ext) {
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return testUrls[ext.key];
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});
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mockDomainObject.getCapability.andCallFake(function (c) {
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return c === 'status' && mockStatusCapability;
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});
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mctRepresentation = new MCTRepresentation(
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testRepresentations,
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testViews,
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mockRepresenters,
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mockQ,
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mockLinker,
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mockLog
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);
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mctRepresentation.link(mockScope, mockElement);
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});
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it("is restricted to elements", function () {
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expect(mctRepresentation.restrict).toEqual("E");
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});
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it("exposes templates via the templateLinker", function () {
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expect(mockLinker.link)
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.toHaveBeenCalledWith(mockScope, mockElement);
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});
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it("watches scope when linked", function () {
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expect(mockScope.$watch).toHaveBeenCalledWith(
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"key",
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jasmine.any(Function)
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);
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expect(mockScope.$watch).toHaveBeenCalledWith(
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"domainObject",
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jasmine.any(Function)
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);
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expect(mockScope.$watch).toHaveBeenCalledWith(
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"domainObject.getModel().modified",
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jasmine.any(Function)
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);
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});
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it("recognizes keys for representations", function () {
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mockScope.key = "abc";
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mockScope.domainObject = mockDomainObject;
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// Trigger the watch
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fireWatch('key', mockScope.key);
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fireWatch('domainObject', mockDomainObject);
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expect(mockChangeTemplate)
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.toHaveBeenCalledWith(testRepresentations[0]);
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});
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it("recognizes keys for views", function () {
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mockScope.key = "xyz";
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mockScope.domainObject = mockDomainObject;
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// Trigger the watches
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fireWatch('key', mockScope.key);
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fireWatch('domainObject', mockDomainObject);
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expect(mockChangeTemplate)
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.toHaveBeenCalledWith(testViews[1]);
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});
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it("does not load templates until there is an object", function () {
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mockScope.key = "xyz";
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// Trigger the watch
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fireWatch('key', mockScope.key);
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expect(mockChangeTemplate)
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.not.toHaveBeenCalledWith(jasmine.any(Object));
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mockScope.domainObject = mockDomainObject;
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fireWatch('domainObject', mockDomainObject);
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expect(mockChangeTemplate)
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.toHaveBeenCalledWith(jasmine.any(Object));
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});
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it("loads declared capabilities", function () {
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mockScope.key = "def";
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mockScope.domainObject = mockDomainObject;
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// Trigger the watch
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mockScope.$watch.calls[0].args[1]();
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expect(mockDomainObject.useCapability)
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.toHaveBeenCalledWith("testCapability");
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expect(mockDomainObject.useCapability)
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.toHaveBeenCalledWith("otherTestCapability");
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});
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it("logs when no representation is available for a key", function () {
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mockScope.key = "someUnknownThing";
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// Verify precondition
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expect(mockLog.warn).not.toHaveBeenCalled();
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// Trigger the watch
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mockScope.$watch.calls[0].args[1]();
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// Should have gotten a warning - that's an unknown key
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expect(mockLog.warn).toHaveBeenCalled();
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});
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it("clears out obsolete properties from scope", function () {
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mockScope.key = "def";
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mockScope.domainObject = mockDomainObject;
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mockDomainObject.useCapability.andReturn("some value");
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// Trigger the watch
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mockScope.$watch.calls[0].args[1]();
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expect(mockScope.testCapability).toBeDefined();
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// Change the view
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mockScope.key = "xyz";
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// Trigger the watch again; should clear capability from scope
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mockScope.$watch.calls[0].args[1]();
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expect(mockScope.testCapability).toBeUndefined();
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});
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describe("when a domain object has been observed", function () {
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var mockContext,
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mockContext2,
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mockLink,
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mockParent;
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beforeEach(function () {
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mockContext = jasmine.createSpyObj('context', ['getPath']);
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mockContext2 = jasmine.createSpyObj('context', ['getPath']);
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mockLink = jasmine.createSpyObj(
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'linkedObject',
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DOMAIN_OBJECT_METHODS
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);
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mockParent = jasmine.createSpyObj(
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'parentObject',
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DOMAIN_OBJECT_METHODS
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);
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mockDomainObject.getCapability.andCallFake(function (c) {
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return c === 'context' && mockContext;
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});
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mockLink.getCapability.andCallFake(function (c) {
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return c === 'context' && mockContext2;
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});
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mockDomainObject.hasCapability.andCallFake(function (c) {
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return c === 'context';
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});
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mockLink.hasCapability.andCallFake(function (c) {
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return c === 'context';
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});
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mockLink.getModel.andReturn({});
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mockContext.getPath.andReturn([mockDomainObject]);
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mockContext2.getPath.andReturn([mockParent, mockLink]);
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mockLink.getId.andReturn('test-id');
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mockDomainObject.getId.andReturn('test-id');
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mockParent.getId.andReturn('parent-id');
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mockScope.key = "abc";
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mockScope.domainObject = mockDomainObject;
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mockScope.$watch.calls[0].args[1]();
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});
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it("detects subsequent changes among linked instances", function () {
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var callCount = mockChangeTemplate.calls.length;
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mockScope.domainObject = mockLink;
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mockScope.$watch.calls[0].args[1]();
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expect(mockChangeTemplate.calls.length)
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.toEqual(callCount + 1);
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});
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it("does not trigger excess template changes for same instances", function () {
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var callCount = mockChangeTemplate.calls.length;
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mockScope.$watch.calls[0].args[1]();
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expect(mockChangeTemplate.calls.length).toEqual(callCount);
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});
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});
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});
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}
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);
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