Limit OpenAssessment BaseView scroll to current element. TNL-499

AUTHORS

@@ -13,3 +13,4 @@ Andrew Dekker <a.dekker@uq.edu.au>
 Steven Burch <stv@stanford.edu>
 Muzaffar Yousaf <muzaffar@edx.org>
 Usman Khalid <2200617@gmail.com>
+Bastien Abadie <bastien@nextcairn.com>

openassessment/xblock/static/js/src/lms/oa_base.js

@@ -38,7 +38,7 @@ OpenAssessment.BaseView.prototype = {
      */
     scrollToTop: function() {
         if ($.scrollTo instanceof Function) {
-            $(window).scrollTo($("#openassessment__steps"), 800, {offset:-50});
+            $(window).scrollTo($("#openassessment__steps", this.element), 800, {offset:-50});
         }
     },
 

test/acceptance/pages.py

@@ -116,6 +116,11 @@ class AssessmentPage(OpenAssessmentPage):
         )
         return self.q(css=css_id).is_present()
 
+    @property
+    def is_on_top(self):
+	pos = self.browser.get_window_position()
+	return pos['y'] < 100
+
     def assess(self, options_selected):
         """
         Create an assessment.

test/acceptance/tests.py

@@ -103,6 +103,9 @@ class SelfAssessmentTest(OpenAssessmentTest):
         # Verify the grade
         self.assertEqual(self.grade_page.wait_for_page().score, self.EXPECTED_SCORE)
 
+        # Check browser scrolled back to top
+        self.assertTrue(self.self_asmnt_page.is_on_top)
+
 
 class PeerAssessmentTest(OpenAssessmentTest):
     """
@@ -169,6 +172,9 @@ class StudentTrainingTest(OpenAssessmentTest):
 
             self.student_training_page.wait_for_page().wait_for_response().assess(options_selected)
 
+            # Check browser scrolled back to top only on first example
+            self.assertEqual(self.self_asmnt_page.is_on_top, example_num == 0)
+
         # Check that we've completed student training
         try:
             self.student_training_page.wait_for_complete()