Merge pull request #17 from PhilippImhof/info-noattempts

Display notification if there are no attempts to show

report.php

@@ -134,7 +134,11 @@ public function display($quiz, $cm, $course) {
      * Display all attempts.
      */
     protected function display_archive() {
+        global $OUTPUT;
         $studentattempts = $this->quizreportgetstudentandattempts($this->quizobj);
+        if (count($studentattempts) === 0) {
+            echo $OUTPUT->notification(get_string('noattemptstoshow', 'quiz'));
+        }
         foreach ($studentattempts as $studentattempt) {
             echo $this->quiz_report_get_student_attempt($studentattempt['attemptid'], $studentattempt['userid']);
         }

tests/behat/noattempts.feature

@@ -0,0 +1,51 @@
+@mod @mod_quiz @quiz @quiz_archive @javascript
+Feature: Showing a message if there are no attempts to show
+    If there are no attempts to show
+    As a teacher
+    I need to see a notification
+
+  Background:
+    Given the following "users" exist:
+      | username | firstname | lastname | email                | idnumber |
+      | teacher1 | T1        | Teacher1 | teacher1@example.com | T1000    |
+      | student1 | S1        | Student1 | student1@example.com | S1000    |
+    And the following "courses" exist:
+      | fullname | shortname | category |
+      | Course 1 | C1        | 0        |
+    And the following "course enrolments" exist:
+      | user     | course | role           |
+      | teacher1 | C1     | editingteacher |
+      | student1 | C1     | student        |
+    And the following "question categories" exist:
+      | contextlevel | reference | name           |
+      | Course       | C1        | Test questions |
+    And the following "activities" exist:
+      | activity | name   | intro              | course | idnumber |
+      | quiz     | Quiz 1 | Quiz 1 description | C1     | quiz1    |
+    And the following "questions" exist:
+      | questioncategory | qtype     | name | questiontext   |
+      | Test questions   | truefalse | TF1  | First question |
+    And quiz "Quiz 1" contains the following questions:
+      | question | page | maxmark |
+      | TF1      | 1    |         |
+
+    And I am on the "Quiz 1" "quiz_archive > Archive" page logged in as "teacher1"
+
+  Scenario: Check handling of no attempts situation
+    # Check if no attempt
+    Then I should see "There are no attempts to show"
+
+    # Add an attempt
+    And I log in as "student1"
+    And I am on "Course 1" course homepage
+    And I follow "Quiz 1"
+    And I press "Attempt quiz"
+    And I click on "True" "radio" in the "First question" "question"
+    And I press "Finish attempt ..."
+    And I press "Submit all and finish"
+    And I confirm the quiz submission in the modal dialog
+    And I log out
+    And I am on the "Quiz 1" "quiz_archive > Archive" page logged in as "teacher1"
+
+    # Check that the message is gone
+    Then I should not see "There are no attempts to show"