Create AJAX live-viewer of expected-vs-actual GM results

gm/viewer/module.js

Index: gm/viewer/module.js
===================================================================
--- gm/viewer/module.js	(revision 0)
+++ gm/viewer/module.js	(revision 0)
@@ -0,0 +1,75 @@
+/*
+ * GMActualResultsLoader:
+ * Reads an actual-results.json file, and imports its data into $scope.
+ */
+var GMActualResultsLoader = angular.module(
+    'GMActualResultsLoader',
+    [],
+    function($httpProvider) {
+      /* Override transformResponse so that the numeric checksums are interpreted as
+       * strings instead, since Javascript cannot handle 64-bit integers. */
+      $httpProvider.defaults.transformResponse = function(data, headersGetter) {
+        return JSON.parse(data.replace(/\s(\d+)\s/g, " \"$1\" "));
+      }
+    }
+);
+GMActualResultsLoader.controller(
+    'GMActualResultsLoader.Controller',
+    function($scope, $http) {
+      /* When the changePlatformPath function is called, download actual-results.json
+       * from the desired platform directory.
+       *
+       * When the JSON is received, predigest it (combining actual and expected results for each
+       * test) and return it to the frontend as $scope.gmActualResults like so:
+       *
+       * [
+       *   {"resultType": "failed",
+       *    "resultsOfThisType": [
+       *      {"test":"bigmatrix", "config":"gpu",
+       *       "actualHashType": "bitmap-64bitMD5", "actualHashValue": "1234",
+       *       "expectedHashType": "bitmap-64bitMD5", "actualHashValue": "6789"},
+       *      {"test":"bigmatrix", "config":"8888",
+       *       "actualHashType": "bitmap-64bitMD5", "actualHashValue": "5678",
+       *       "expectedHashType": "bitmap-64bitMD5", "actualHashValue": "6789"},
+       *      more tests...
+       *    ]},
+       *   {"resultType": "no-comparison",
+       *    "resultsOfThisType": [
+       *      {"test":"aaclip", "config":"gpu",
+       *       "actualHashType": "bitmap-64bitMD5", "actualHashValue": "8765"},
+       *      {"test":"aaclip", "config":"8888",
+       *       "actualHashType": "bitmap-64bitMD5", "actualHashValue": "4321"},
+       *      more tests...
+       *    ]},
+       *   more result types...
+       * ]
+       */
+      $scope.changePlatformPath = function() {
+        $http.get($scope.platformPath + "/actual-results.json").success(
+            function(response) {
+              var jsonResults = [];
+              var imageNameRegex = /^(.+)_([^_]+).png/;
+              angular.forEach(response['actual-results'], function(resultsOfThisType, resultType) {
+                var resultCollection = [];
+                angular.forEach(resultsOfThisType, function(hashTypeAndValue, imageName) {
+                  var matched = imageNameRegex.exec(imageName);
+                  var thisResult = {
+                    test: matched[1], config: matched[2],
+                    actualHashType: hashTypeAndValue[0], actualHashValue: hashTypeAndValue[1] };
+                  var expectations = response['expected-results'][imageName]['allowed-digests'];
+                  if (expectations != null) {
+                    thisResult.expectedHashType = expectations[0][0];
+                    thisResult.expectedHashValue = expectations[0][1];
+                  }
+                  resultCollection.push(thisResult);
+                });
+                var resultTypeAndCollection = { resultType: resultType,
+                                                resultsOfThisType: resultCollection };
+                jsonResults.push(resultTypeAndCollection);
+              });
+              $scope.gmActualResults = jsonResults;
+            }
+         );
+      };
+    }
+);