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Affected Branches:
MOODLE_400_STABLE, MOODLE_401_STABLE
Fixed Branches:
MOODLE_400_STABLE, MOODLE_401_STABLE
Pull from Repository:
https://github.com/timhunt/moodle.git
Pull 4.1 Branch:
~~MDL-77464~~_401
Pull 4.1 Diff URL:
https://github.com/timhunt/moodle/compare/MOODLE_401_STABLE...MDL-77464_401
Pull Main Branch:
~~MDL-77464~~
Pull Main Diff URL:
https://github.com/timhunt/moodle/compare/master...MDL-77464
Testing Instructions:

Hide

The added automated tests are sufficient to verify the fix for this specific issue.

[Given the number of recent issues there have been with Quiz re-grading, and 'Try another question like this one' feature, if any tester wanted to do some exploratory testing in this area, that would be great, but I don't think that belongs in this specific bug fix.]

Show
The added automated tests are sufficient to verify the fix for this specific issue. [Given the number of recent issues there have been with Quiz re-grading, and 'Try another question like this one' feature, if any tester wanted to do some exploratory testing in this area, that would be great, but I don't think that belongs in this specific bug fix.]

Steps to reproduce:

As teacher
Create a quiz with these settings:
- How questions behave: immediate feedback.
- Allow redo within an attempt: Yes ... (this is hidden behind 'Show more...'
Add one true-false question to the quiz, correct answer true.
As a student
Start a quiz attempt
Input the answer True and click 'Check'
Click 'Try another question like this one' but don't answer the question.
As teacher
Go to the quiz reports
Click 'Regrade all' (it works)
Click 'Continue'.
Click 'Regrade all'.

Expected result: It works again

Actual result: Error, becuase the first attempt has corrupted the data a bit.

Warning: Undefined array key 2 in /var/www/html/moodle/mod/quiz/report/overview/report.php on line 435

Warning: Attempt to read property "qtype" on null in /var/www/html/moodle/mod/quiz/report/overview/report.php on line 435

Warning: Undefined array key 2 in /var/www/html/moodle/mod/quiz/report/overview/report.php on line 437

Warning: Attempt to read property "questionid" on null in /var/www/html/moodle/mod/quiz/report/overview/report.php on line 437

Can't find data record in database.

Discovered while testing

MDL-77210 Quiz 'Try another question like this one' breaks regrading

Participants:: Anupama Sarjoshi, CiBoT, Sara Arjona (@sarjona), Tim Hunt, ToBiC

Estimated:

Remaining:

Logged: