/**
* Test get_attempt_data
*/
public function test_get_attempt_data()
{
global $DB;
// Create a new quiz with one attempt started.
list($quiz, $context, $quizobj, $attempt, $attemptobj) = $this->create_quiz_with_questions(true);
$quizobj = $attemptobj->get_quizobj();
$quizobj->preload_questions();
$quizobj->load_questions();
$questions = $quizobj->get_questions();
$this->setUser($this->student);
// We receive one question per page.
$result = mod_quiz_external::get_attempt_data($attempt->id, 0);
$result = external_api::clean_returnvalue(mod_quiz_external::get_attempt_data_returns(), $result);
$this->assertEquals($attempt, (object) $result['attempt']);
$this->assertEquals(1, $result['nextpage']);
$this->assertCount(0, $result['messages']);
$this->assertCount(1, $result['questions']);
$this->assertEquals(1, $result['questions'][0]['slot']);
$this->assertEquals(1, $result['questions'][0]['number']);
$this->assertEquals('numerical', $result['questions'][0]['type']);
$this->assertEquals('todo', $result['questions'][0]['state']);
$this->assertEquals(get_string('notyetanswered', 'question'), $result['questions'][0]['status']);
$this->assertFalse($result['questions'][0]['flagged']);
$this->assertEquals(0, $result['questions'][0]['page']);
$this->assertEmpty($result['questions'][0]['mark']);
$this->assertEquals(1, $result['questions'][0]['maxmark']);
// Now try the last page.
$result = mod_quiz_external::get_attempt_data($attempt->id, 1);
$result = external_api::clean_returnvalue(mod_quiz_external::get_attempt_data_returns(), $result);
$this->assertEquals($attempt, (object) $result['attempt']);
$this->assertEquals(-1, $result['nextpage']);
$this->assertCount(0, $result['messages']);
$this->assertCount(1, $result['questions']);
$this->assertEquals(2, $result['questions'][0]['slot']);
$this->assertEquals(2, $result['questions'][0]['number']);
$this->assertEquals('numerical', $result['questions'][0]['type']);
$this->assertEquals('todo', $result['questions'][0]['state']);
$this->assertEquals(get_string('notyetanswered', 'question'), $result['questions'][0]['status']);
$this->assertFalse($result['questions'][0]['flagged']);
$this->assertEquals(1, $result['questions'][0]['page']);
// Finish previous attempt.
$attemptobj->process_finish(time(), false);
// Change setting and expect two pages.
$quiz->questionsperpage = 4;
$DB->update_record('quiz', $quiz);
quiz_repaginate_questions($quiz->id, $quiz->questionsperpage);
// Start with new attempt with the new layout.
$quba = question_engine::make_questions_usage_by_activity('mod_quiz', $quizobj->get_context());
$quba->set_preferred_behaviour($quizobj->get_quiz()->preferredbehaviour);
$timenow = time();
$attempt = quiz_create_attempt($quizobj, 2, false, $timenow, false, $this->student->id);
quiz_start_new_attempt($quizobj, $quba, $attempt, 1, $timenow);
quiz_attempt_save_started($quizobj, $quba, $attempt);
// We receive two questions per page.
$result = mod_quiz_external::get_attempt_data($attempt->id, 0);
$result = external_api::clean_returnvalue(mod_quiz_external::get_attempt_data_returns(), $result);
$this->assertCount(2, $result['questions']);
$this->assertEquals(-1, $result['nextpage']);
// Check questions looks good.
$found = 0;
foreach ($questions as $question) {
foreach ($result['questions'] as $rquestion) {
if ($rquestion['slot'] == $question->slot) {
$this->assertTrue(strpos($rquestion['html'], "qid={$question->id}") !== false);
$found++;
}
}
}
$this->assertEquals(2, $found);
}
/**
* Test get_attempt_data with blocked questions.
* @since 3.2
*/
public function test_get_attempt_data_with_blocked_questions()
{
global $DB;
// Create a new quiz with one attempt started and using immediatefeedback.
list($quiz, $context, $quizobj, $attempt, $attemptobj) = $this->create_quiz_with_questions(true, false, 'immediatefeedback');
$quizobj = $attemptobj->get_quizobj();
// Make second question blocked by the first one.
$structure = $quizobj->get_structure();
$slots = $structure->get_slots();
$structure->update_question_dependency(end($slots)->id, true);
$quizobj->preload_questions();
$quizobj->load_questions();
$questions = $quizobj->get_questions();
$this->setUser($this->student);
// We receive one question per page.
$result = mod_quiz_external::get_attempt_data($attempt->id, 0);
$result = external_api::clean_returnvalue(mod_quiz_external::get_attempt_data_returns(), $result);
$this->assertEquals($attempt, (object) $result['attempt']);
$this->assertCount(1, $result['questions']);
$this->assertEquals(1, $result['questions'][0]['slot']);
$this->assertEquals(1, $result['questions'][0]['number']);
$this->assertEquals(false, $result['questions'][0]['blockedbyprevious']);
// Now try the last page.
$result = mod_quiz_external::get_attempt_data($attempt->id, 1);
$result = external_api::clean_returnvalue(mod_quiz_external::get_attempt_data_returns(), $result);
$this->assertEquals($attempt, (object) $result['attempt']);
$this->assertCount(1, $result['questions']);
$this->assertEquals(2, $result['questions'][0]['slot']);
$this->assertEquals(2, $result['questions'][0]['number']);
$this->assertEquals(true, $result['questions'][0]['blockedbyprevious']);
}