/**
* Set up message and mail sinks, and set up other requirements for the
* cron to be tested here.
*/
public function setUp()
{
global $CFG;
$this->helper = new stdClass();
// Messaging is not compatible with transactions...
$this->preventResetByRollback();
// Catch all messages
$this->helper->messagesink = $this->redirectMessages();
$this->helper->mailsink = $this->redirectEmails();
// Confirm that we have an empty message sink so far.
$messages = $this->helper->messagesink->get_messages();
$this->assertEquals(0, count($messages));
$messages = $this->helper->mailsink->get_messages();
$this->assertEquals(0, count($messages));
// Tell Moodle that we've not sent any digest messages out recently.
$CFG->digestmailtimelast = 0;
// And set the digest sending time to a negative number - this has
// the effect of making it 11pm the previous day.
$CFG->digestmailtime = -1;
// Forcibly reduce the maxeditingtime to a one second to ensure that
// messages are sent out.
$CFG->maxeditingtime = 1;
// We must clear the subscription caches. This has to be done both before each test, and after in case of other
// tests using these functions.
\mod_twf\subscriptions::reset_twf_cache();
\mod_twf\subscriptions::reset_discussion_cache();
}
public function tearDown()
{
// We must clear the subscription caches. This has to be done both before each test, and after in case of other
// tests using these functions.
\mod_twf\subscriptions::reset_twf_cache();
$this->helper->messagesink->clear();
$this->helper->messagesink->close();
$this->helper->mailsink->clear();
$this->helper->mailsink->close();
}
/**
* Test that the discussion subscription cache can filled user-at-a-time.
*/
public function test_discussion_subscription_cache_fill()
{
global $DB;
$this->resetAfterTest(true);
// Create a course, with a twf.
$course = $this->getDataGenerator()->create_course();
$options = array('course' => $course->id, 'forcesubscribe' => FORUM_INITIALSUBSCRIBE);
$twf = $this->getDataGenerator()->create_module('twf', $options);
// Create some users.
$users = $this->helper_create_users($course, 20);
// Post some discussions to the twf.
$discussions = array();
$author = $users[0];
for ($i = 0; $i < 20; $i++) {
list($discussion, $post) = $this->helper_post_to_twf($twf, $author);
$discussions[] = $discussion;
}
// Unsubscribe half the users from the half the discussions.
$twfcount = 0;
$usercount = 0;
foreach ($discussions as $data) {
if ($twfcount % 2) {
continue;
}
foreach ($users as $user) {
if ($usercount % 2) {
continue;
}
\mod_twf\subscriptions::unsubscribe_user_from_discussion($user->id, $discussion);
$usercount++;
}
$twfcount++;
}
// Reset the subscription caches.
\mod_twf\subscriptions::reset_twf_cache();
\mod_twf\subscriptions::reset_discussion_cache();
$startcount = $DB->perf_get_reads();
// Now fetch some subscriptions from that twf - these should use
// the cache and not perform additional queries.
foreach ($users as $user) {
$result = \mod_twf\subscriptions::fetch_discussion_subscription($twf->id, $user->id);
$this->assertInternalType('array', $result);
}
$finalcount = $DB->perf_get_reads();
$this->assertEquals(20, $finalcount - $startcount);
}
public function tearDown()
{
// We must clear the subscription caches. This has to be done both before each test, and after in case of other
// tests using these functions.
\mod_twf\subscriptions::reset_twf_cache();
}
