Questionnaire: All branching shown in View your response (#616)

* Questionnaire: All branching shown in View your response
---------

Co-authored-by: toanlamt <[email protected]>

Author: toanlamt

questionnaire.class.php

@@ -423,6 +423,10 @@ public function view_response($rid, $referer= '', $resps = '', $compare = false,
         }
         $pdf = ($outputtarget == 'pdf') ? true : false;
         foreach ($this->questions as $question) {
+            // Only show eligible questions in the response.
+            if (!$question->dependency_fulfilled($rid, $this->questions)) {
+                continue;
+            }
             if ($question->type_id < QUESPAGEBREAK) {
                 $i++;
             }

tests/behat/dependency_question.feature

@@ -106,3 +106,21 @@ Feature: Questions can be defined to be dependent on answers to multiple previou
     And I should see "Do you own a dog?"
     And I should see "Parent Question : position 1 (Q1->Dog) set"
     And I log out
+
+  @javascript
+  Scenario: Students can only view answers to questions asked on the individual responses page.
+    Given I log in as "student1"
+    And I am on "Course 1" course homepage
+    And I follow "Test questionnaire"
+    When I navigate to "Answer the questions..." in current page administration
+    And I should see "Do you own a car?"
+    And I click on "Yes" "radio"
+    And I press "Next Page >>"
+    And I should see "What colour is the car?"
+    And I set the field "What colour is the car?" to "Black"
+    And I press "Next Page >>"
+    And I press "Submit questionnaire"
+    And I navigate to "View your response(s)" in current page administration
+    And I should see "Do you own a car?"
+    And I should see "What colour is the car?"
+    Then I should not see "Will you buy a car this year?"