[Plugins] Bring over timeline, clock plugins

WTD-1239

platform/features/timeline/test/services/ObjectLoaderSpec.js

@@ -0,0 +1,136 @@
+/*global define,describe,it,expect,beforeEach,waitsFor,jasmine,window,afterEach*/
+
+define(
+    ['../../src/services/ObjectLoader'],
+    function (ObjectLoader) {
+        "use strict";
+
+        describe("The domain object loader", function () {
+            var mockQ,
+                mockCallback,
+                mockDomainObjects,
+                testCompositions,
+                objectLoader;
+
+            function asPromise(value) {
+                return (value || {}).then ? value : {
+                    then: function (callback) {
+                        return asPromise(callback(value));
+                    }
+                };
+            }
+
+            function lookupObject(id) {
+                return mockDomainObjects[id];
+            }
+
+            function fullSubgraph(id) {
+                return {
+                    domainObject: mockDomainObjects[id],
+                    composition: (testCompositions[id] || [])
+                        .map(fullSubgraph)
+                };
+            }
+
+            function addDomainObject(id, children, capabilities) {
+                var mockDomainObject = jasmine.createSpyObj(
+                    'object-' + id,
+                    [ 'useCapability', 'hasCapability', 'getId' ]
+                );
+
+                mockDomainObject.getId.andReturn(id);
+                mockDomainObject.useCapability.andCallFake(function (c) {
+                    return c === 'composition' ?
+                            asPromise(children.map(lookupObject)) :
+                            undefined;
+                });
+                mockDomainObject.hasCapability.andCallFake(function (c) {
+                    return (capabilities.indexOf(c) !== -1) || (c === 'composition');
+                });
+                mockDomainObjects[id] = mockDomainObject;
+
+                testCompositions[id] = children;
+            }
+
+            beforeEach(function () {
+                mockQ = jasmine.createSpyObj('$q', [ 'when', 'all' ]);
+                mockCallback = jasmine.createSpy('callback');
+                mockDomainObjects = {};
+                testCompositions = {};
+
+                // Provide subset of q's actual behavior which we
+                // expect object loader to really need
+                mockQ.when.andCallFake(asPromise);
+                mockQ.all.andCallFake(function (values) {
+                    var result = [];
+                    function addResult(v) { result.push(v); }
+                    function promiseResult(v) { asPromise(v).then(addResult); }
+                    values.forEach(promiseResult);
+                    return asPromise(result);
+                });
+
+                // Populate some mock domain objects
+                addDomainObject('a', ['b', 'c', 'd'], ['test']);
+                addDomainObject('b', ['c', 'd', 'ba'], []);
+                addDomainObject('c', ['ca'], ['test']);
+                addDomainObject('d', [], ['test']);
+                addDomainObject('ba', [], ['test']);
+                addDomainObject('ca', [], ['test']);
+
+                objectLoader = new ObjectLoader(mockQ);
+            });
+
+
+
+            it("loads sub-graphs of composition hierarchy", function () {
+                objectLoader.load(mockDomainObjects.a).then(mockCallback);
+                // Should have loaded full graph
+                expect(mockCallback).toHaveBeenCalledWith(fullSubgraph('a'));
+            });
+
+            it("filters based on capabilities, if requested", function () {
+                objectLoader.load(mockDomainObjects.a, 'test')
+                    .then(mockCallback);
+                // Should have pruned 'b'
+                expect(mockCallback).toHaveBeenCalledWith({
+                    domainObject: mockDomainObjects.a,
+                    composition: [
+                        fullSubgraph('c'),
+                        fullSubgraph('d')
+                    ]
+                });
+            });
+
+            it("filters with a function, if requested", function () {
+                function shortName(domainObject) {
+                    return domainObject.getId().length === 1;
+                }
+                objectLoader.load(mockDomainObjects.a, shortName)
+                    .then(mockCallback);
+                // Should have pruned 'ba' and 'ca'
+                expect(mockCallback).toHaveBeenCalledWith({
+                    domainObject: mockDomainObjects.a,
+                    composition: [
+                        {
+                            domainObject: mockDomainObjects.b,
+                            composition: [
+                                {
+                                    domainObject: mockDomainObjects.c,
+                                    composition: []
+                                },
+                                fullSubgraph('d')
+                            ]
+                        },
+                        {
+                            domainObject: mockDomainObjects.c,
+                            composition: []
+                        },
+                        fullSubgraph('d')
+                    ]
+                });
+            });
+
+        });
+
+    }
+);