Resolves #2398, re-populates _assessmentState from 'assessments:regis…

…ter' (#2402)

This corrects an issue with incorrect course completion statuses being passed back
when a course was being completed over multiple sessions.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "adapt_framework",
-  "version": "3.5.2",
+  "version": "3.5.3",
   "description": "Adapt Learning output framework",
   "repository": {
     "type": "git",

src/core/js/tracking.js

@@ -20,7 +20,10 @@ define([
         setupEventListeners: function() {
             // Check if completion requires passing an assessment. 
             if (this._config._requireAssessmentCompleted) {
-                this.listenTo(Adapt, 'assessment:complete', this.onAssessmentComplete);
+                this.listenTo(Adapt, {
+                    'assessment:complete': this.onAssessmentComplete,
+                    'assessments:register': this.onAssessmentRestored
+                });
             }
 
             // Check if completion requires completing all content.
@@ -39,6 +42,15 @@ define([
             this.checkCompletion();
         },
 
+        /**
+         * Restores the _assessmentState object when an assessment is registered.
+         * @param {object} state - An object representing the (intial) assessment state
+         * @param {assessmentModel} - A restored Assessment model
+         */
+        onAssessmentRestored: function(state, assessmentModel) {
+            this._assessmentState = assessmentModel.getState();
+        },
+
         /**
          * Evaluate the course and assessment completion.
          */