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  1. Moodle
  2. MDL-34259

Lesson breaks when user does not select an answer

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: Major Major
    • 2.2.5, 2.3.2
    • 2.2.4, 2.3.1
    • Lesson
    • MOODLE_22_STABLE, MOODLE_23_STABLE
    • MOODLE_22_STABLE, MOODLE_23_STABLE
    • MDL-34259-master
    • Hide
      1. Create a lesson
      2. Add a true/false question
      3. Attempt the lesson as a student
      4. Make sure the lesson does not break if you submit the form without any answer selected
      5. Select an answer and submit
      6. Login as a teacher
      7. View the lesson report
      8. Make sure the student submission has been saved
      Show
      Create a lesson Add a true/false question Attempt the lesson as a student Make sure the lesson does not break if you submit the form without any answer selected Select an answer and submit Login as a teacher View the lesson report Make sure the student submission has been saved

      Replication steps

      1. Create a lesson
      2. Add a true/false question
      3. Attempt the lesson as a student
      4. On the true/false question page, do not select any answer and click 'Submit'

      Expected:

      • You loop on the page, or silently skip the page

      Actual:

      • Exception is raised

      Debug info: SELECT * FROM {lesson_answers} WHERE id IS NULL
      		 
      [array (
      		 
      )]
      		 
      Error code: invalidrecord
      		 
      Stack trace:
      		 
      line 1321 of /lib/dml/moodle_database.php: dml_missing_record_exception thrown
      		 
      line 1297 of /lib/dml/moodle_database.php: call to moodle_database->get_record_select()
      		 
      line 85 of /mod/lesson/pagetypes/truefalse.php: call to moodle_database->get_record()
      		 
      line 1922 of /mod/lesson/locallib.php: call to lesson_page_type_truefalse->check_answer()
      		 
      line 79 of /mod/lesson/continue.php: call to lesson_page->record_attempt()
      		 
       
      		 
      Output buffer: Notice: Undefined property: stdClass::$answerid in /home/fred/www/repositories/testing_23/moodle/mod/lesson/pagetypes/truefalse.php on line 79 Call Stack: 0.0015 781592 1. {main}() /home/fred/www/repositories/testing_23/moodle/mod/lesson/continue.php:0 0.3289 51681816 2. lesson_page->record_attempt() /home/fred/www/repositories/testing_23/moodle/mod/lesson/continue.php:79 0.3289 51681816 3. lesson_page_type_truefalse->check_answer() /home/fred/www/repositories/testing_23/moodle/mod/lesson/locallib.php:1922

            fred Frédéric Massart
            fred Frédéric Massart
            Rossiani Wijaya Rossiani Wijaya
            Dan Poltawski Dan Poltawski
            Ankit Agarwal Ankit Agarwal
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              Created:
              Updated:
              Resolved:

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