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MDL-85686 mod_quiz: unit test coverage for questions shuffle

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This commit is contained in:
Simey Lameze
2025-11-11 11:18:04 +08:00
parent 7838e3f247
commit cd4c824f6e
1 changed files with 52 additions and 0 deletions
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mod/quiz/tests/attempt_test.php
+52
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@@ -588,4 +588,56 @@ final class attempt_test extends \advanced_testcase {
$questionattempt->render(new \question_display_options(), 1);
$this->assertEqualsWithDelta(time(), $questionattempt->get_step(0)->get_timecreated(), 1);
}
/**
* Test that enabling shuffle on the first quiz section randomizes question order between attempts.
*
* @return void
* @covers ::quiz_start_new_attempt
*/
public function test_question_shuffle(): void {
$this->resetAfterTest();
$user = $this->getDataGenerator()->create_user();
$this->setUser($user);
// Create quiz with two sections using create_test_quiz.
$quizgenerator = $this->getDataGenerator()->get_plugin_generator('mod_quiz');
$quizobj = $quizgenerator->create_test_quiz([
'Shuffled section*',
['Q1', 1, 'shortanswer'],
['Q2', 1, 'shortanswer'],
['Q3', 1, 'shortanswer'],
['Q4', 1, 'shortanswer'],
['Q5', 1, 'shortanswer'],
'Non-shuffled section',
['Q6', 2, 'shortanswer'],
['Q7', 2, 'shortanswer'],
['Q8', 2, 'shortanswer'],
['Q9', 2, 'shortanswer'],
['Q10', 2, 'shortanswer'],
]);
// Start two attempts.
$attempt1 = quiz_prepare_and_start_new_attempt($quizobj, 1, null, false, [], [], $user->id);
$attempt2 = quiz_prepare_and_start_new_attempt($quizobj, 2, null, false, [], [], $user->id);
$attemptobj1 = quiz_attempt::create($attempt1->id);
$attemptobj2 = quiz_attempt::create($attempt2->id);
// Get slot numbers for each section in both attempts.
$slots1a = $attemptobj1->get_slots(0);
$slots1b = $attemptobj2->get_slots(0);
$slots2a = $attemptobj1->get_slots(1);
$slots2b = $attemptobj2->get_slots(1);
// Get question order for each section in both attempts.
$order1a = array_map(fn($slot) => $attemptobj1->get_question_attempt($slot)->get_question()->id, $slots1a);
$order1b = array_map(fn($slot) => $attemptobj2->get_question_attempt($slot)->get_question()->id, $slots1b);
$order2a = array_map(fn($slot) => $attemptobj1->get_question_attempt($slot)->get_question()->id, $slots2a);
$order2b = array_map(fn($slot) => $attemptobj2->get_question_attempt($slot)->get_question()->id, $slots2b);
// Assert shuffled section is different, non-shuffled is the same.
$this->assertNotEquals($order1a, $order1b, 'Shuffled section should have different order between attempts.');
$this->assertEquals($order2a, $order2b, 'Non-shuffled section should have same order between attempts.');
}
}