[Search] Wrote aggregator test

Completed tests for SearchAggregator.

platform/features/search/test/SearchAggregatorSpec.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.
+ *****************************************************************************/
+/*global define,describe,it,expect,beforeEach,jasmine*/
+
+/**
+ *  SearchSpec. Created by shale on 07/31/2015.
+ */
+define(
+    ["../src/SearchAggregator"],
+    function (SearchAggregator) {
+        "use strict";
+
+        describe("The search aggregator ", function () {
+            var mockQ,
+                mockPromise,
+                mockProviders = [],
+                aggregator,
+                mockProviderResults = [],
+                mockAggregatorResults,
+                i;
+
+            beforeEach(function () {
+                mockQ = jasmine.createSpyObj(
+                    "$q",
+                    [ "all" ]
+                );
+                mockPromise = jasmine.createSpyObj(
+                    "promise",
+                    [ "then" ]
+                );
+                for (i = 0; i < 3; i += 1) {
+                    mockProviders.push(
+                        jasmine.createSpyObj(
+                            "mockProvider" + i,
+                            [ "query" ]
+                        )
+                    );
+                    mockProviders[i].query.andReturn(mockPromise);
+                }
+                mockQ.all.andReturn(mockPromise);
+                
+                aggregator = new SearchAggregator(mockQ, mockProviders);
+                aggregator.query();
+                
+                for (i = 0; i < mockProviders.length; i += 1) {
+                    mockProviderResults.push({
+                        hits: [
+                            {
+                                id: i, 
+                                score: 42 - i
+                            }, 
+                            {
+                                id: i + 1, 
+                                score: 42 - (2 * i)
+                            }
+                        ]
+                    });
+                }
+                mockAggregatorResults = mockPromise.then.mostRecentCall.args[0](mockProviderResults);
+            });
+            
+            it("sends queries to all providers", function () {
+                for (i = 0; i < mockProviders.length; i += 1) {
+                    expect(mockProviders[i].query).toHaveBeenCalled();
+                }
+            });
+            
+            it("filters out duplicate objects", function () {
+                expect(mockAggregatorResults.hits.length).toEqual(mockProviders.length + 1);
+                expect(mockAggregatorResults.total).not.toBeLessThan(mockAggregatorResults.hits.length);
+            });
+            
+            it("orders results by score", function () {
+                for (i = 1; i < mockAggregatorResults.hits.length; i += 1) {
+                    expect(mockAggregatorResults.hits[i].score)
+                        .not.toBeGreaterThan(mockAggregatorResults.hits[i-1].score);
+                }
+            });
+            
+            it("is loading until all the providers' promises fufill", function () {
+                expect(aggregator.isLoading()).toBeFalsy();
+                
+                // Send query
+                aggregator.query();
+                expect(aggregator.isLoading()).toBeTruthy();
+                
+                // Then resolve the promises
+                mockAggregatorResults = mockPromise.then.mostRecentCall.args[0]([]);
+                expect(aggregator.isLoading()).toBeFalsy();
+            });
+
+        });
+    }
+);