/**
* Test test_view_attempt
*/
public function test_view_attempt()
{
global $DB;
// Create a new quiz with two questions and one attempt started.
list($quiz, $context, $quizobj, $attempt, $attemptobj, $quba) = $this->create_quiz_with_questions(true, false);
// Test user with full capabilities.
$this->setUser($this->student);
// Trigger and capture the event.
$sink = $this->redirectEvents();
$result = mod_quiz_external::view_attempt($attempt->id, 0);
$result = external_api::clean_returnvalue(mod_quiz_external::view_attempt_returns(), $result);
$this->assertTrue($result['status']);
$events = $sink->get_events();
$this->assertCount(1, $events);
$event = array_shift($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\\mod_quiz\\event\\attempt_viewed', $event);
$this->assertEquals($context, $event->get_context());
$this->assertEventContextNotUsed($event);
$this->assertNotEmpty($event->get_name());
// Now, force the quiz with QUIZ_NAVMETHOD_SEQ (sequencial) navigation method.
$DB->set_field('quiz', 'navmethod', QUIZ_NAVMETHOD_SEQ, array('id' => $quiz->id));
// See next page.
$result = mod_quiz_external::view_attempt($attempt->id, 1);
$result = external_api::clean_returnvalue(mod_quiz_external::view_attempt_returns(), $result);
$this->assertTrue($result['status']);
$events = $sink->get_events();
$this->assertCount(2, $events);
// Try to go to previous page.
try {
mod_quiz_external::view_attempt($attempt->id, 0);
$this->fail('Exception expected due to try to see a previous page.');
} catch (moodle_quiz_exception $e) {
$this->assertEquals('Out of sequence access', $e->errorcode);
}
}