/**
* Test start_attempt
*/
public function test_start_attempt()
{
global $DB;
// Create a new quiz with questions.
list($quiz, $context, $quizobj) = $this->create_quiz_with_questions();
$this->setUser($this->student);
// Try to open attempt in closed quiz.
$quiz->timeopen = time() - WEEKSECS;
$quiz->timeclose = time() - DAYSECS;
$DB->update_record('quiz', $quiz);
$result = mod_quiz_external::start_attempt($quiz->id);
$result = external_api::clean_returnvalue(mod_quiz_external::start_attempt_returns(), $result);
$this->assertEquals([], $result['attempt']);
$this->assertCount(1, $result['warnings']);
// Now with a password.
$quiz->timeopen = 0;
$quiz->timeclose = 0;
$quiz->password = '******';
$DB->update_record('quiz', $quiz);
try {
mod_quiz_external::start_attempt($quiz->id, array(array("name" => "quizpassword", "value" => 'bad')));
$this->fail('Exception expected due to invalid passwod.');
} catch (moodle_exception $e) {
$this->assertEquals(get_string('passworderror', 'quizaccess_password'), $e->errorcode);
}
// Now, try everything correct.
$result = mod_quiz_external::start_attempt($quiz->id, array(array("name" => "quizpassword", "value" => 'abc')));
$result = external_api::clean_returnvalue(mod_quiz_external::start_attempt_returns(), $result);
$this->assertEquals(1, $result['attempt']['attempt']);
$this->assertEquals($this->student->id, $result['attempt']['userid']);
$this->assertEquals($quiz->id, $result['attempt']['quiz']);
$this->assertCount(0, $result['warnings']);
$attemptid = $result['attempt']['id'];
// We are good, try to start a new attempt now.
try {
mod_quiz_external::start_attempt($quiz->id, array(array("name" => "quizpassword", "value" => 'abc')));
$this->fail('Exception expected due to attempt not finished.');
} catch (moodle_quiz_exception $e) {
$this->assertEquals('attemptstillinprogress', $e->errorcode);
}
// Finish the started attempt.
// Process some responses from the student.
$timenow = time();
$attemptobj = quiz_attempt::create($attemptid);
$tosubmit = array(1 => array('answer' => '3.14'));
$attemptobj->process_submitted_actions($timenow, false, $tosubmit);
// Finish the attempt.
$attemptobj = quiz_attempt::create($attemptid);
$this->assertTrue($attemptobj->has_response_to_at_least_one_graded_question());
$attemptobj->process_finish($timenow, false);
// We should be able to start a new attempt.
$result = mod_quiz_external::start_attempt($quiz->id, array(array("name" => "quizpassword", "value" => 'abc')));
$result = external_api::clean_returnvalue(mod_quiz_external::start_attempt_returns(), $result);
$this->assertEquals(2, $result['attempt']['attempt']);
$this->assertEquals($this->student->id, $result['attempt']['userid']);
$this->assertEquals($quiz->id, $result['attempt']['quiz']);
$this->assertCount(0, $result['warnings']);
// Test user with no capabilities.
// We need a explicit prohibit since this capability is only defined in authenticated user and guest roles.
assign_capability('mod/quiz:attempt', CAP_PROHIBIT, $this->studentrole->id, $context->id);
// Empty all the caches that may be affected by this change.
accesslib_clear_all_caches_for_unit_testing();
course_modinfo::clear_instance_cache();
try {
mod_quiz_external::start_attempt($quiz->id);
$this->fail('Exception expected due to missing capability.');
} catch (required_capability_exception $e) {
$this->assertEquals('nopermissions', $e->errorcode);
}
}