/**
* Test view_lti
*/
public function test_view_lti()
{
global $DB;
// Test invalid instance id.
try {
mod_lti_external::view_lti(0);
$this->fail('Exception expected due to invalid mod_lti instance id.');
} catch (moodle_exception $e) {
$this->assertEquals('invalidrecord', $e->errorcode);
}
// Test not-enrolled user.
$usernotenrolled = self::getDataGenerator()->create_user();
$this->setUser($usernotenrolled);
try {
mod_lti_external::view_lti($this->lti->id);
$this->fail('Exception expected due to not enrolled user.');
} catch (moodle_exception $e) {
$this->assertEquals('requireloginerror', $e->errorcode);
}
// Test user with full capabilities.
$this->setUser($this->student);
// Trigger and capture the event.
$sink = $this->redirectEvents();
$result = mod_lti_external::view_lti($this->lti->id);
$result = external_api::clean_returnvalue(mod_lti_external::view_lti_returns(), $result);
$events = $sink->get_events();
$this->assertCount(1, $events);
$event = array_shift($events);
// Checking that the event contains the expected values.
$this->assertInstanceOf('\\mod_lti\\event\\course_module_viewed', $event);
$this->assertEquals($this->context, $event->get_context());
$moodlelti = new \moodle_url('/mod/lti/view.php', array('id' => $this->cm->id));
$this->assertEquals($moodlelti, $event->get_url());
$this->assertEventContextNotUsed($event);
$this->assertNotEmpty($event->get_name());
// 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/lti:view', CAP_PROHIBIT, $this->studentrole->id, $this->context->id);
// Empty all the caches that may be affected by this change.
accesslib_clear_all_caches_for_unit_testing();
course_modinfo::clear_instance_cache();
try {
mod_lti_external::view_lti($this->lti->id);
$this->fail('Exception expected due to missing capability.');
} catch (moodle_exception $e) {
$this->assertEquals('requireloginerror', $e->errorcode);
}
}
