/**
* Test that the discussion subscription cache can filled course-at-a-time.
*/
public function test_discussion_subscription_cache_fill_for_course()
{
global $DB;
$this->resetAfterTest(true);
// Create a course, with a quora.
$course = $this->getDataGenerator()->create_course();
// Create the quoras.
$options = array('course' => $course->id, 'forcesubscribe' => FORUM_DISALLOWSUBSCRIBE);
$disallowquora = $this->getDataGenerator()->create_module('quora', $options);
$options = array('course' => $course->id, 'forcesubscribe' => FORUM_CHOOSESUBSCRIBE);
$choosequora = $this->getDataGenerator()->create_module('quora', $options);
$options = array('course' => $course->id, 'forcesubscribe' => FORUM_INITIALSUBSCRIBE);
$initialquora = $this->getDataGenerator()->create_module('quora', $options);
// Create some users and keep a reference to the first user.
$users = $this->helper_create_users($course, 20);
$user = reset($users);
// Reset the subscription caches.
\mod_quora\subscriptions::reset_quora_cache();
$startcount = $DB->perf_get_reads();
$result = \mod_quora\subscriptions::fill_subscription_cache_for_course($course->id, $user->id);
$this->assertNull($result);
$postfillcount = $DB->perf_get_reads();
$this->assertEquals(1, $postfillcount - $startcount);
$this->assertFalse(\mod_quora\subscriptions::fetch_subscription_cache($disallowquora->id, $user->id));
$this->assertFalse(\mod_quora\subscriptions::fetch_subscription_cache($choosequora->id, $user->id));
$this->assertTrue(\mod_quora\subscriptions::fetch_subscription_cache($initialquora->id, $user->id));
$finalcount = $DB->perf_get_reads();
$this->assertEquals(0, $finalcount - $postfillcount);
// Test for all users.
foreach ($users as $user) {
$result = \mod_quora\subscriptions::fill_subscription_cache_for_course($course->id, $user->id);
$this->assertFalse(\mod_quora\subscriptions::fetch_subscription_cache($disallowquora->id, $user->id));
$this->assertFalse(\mod_quora\subscriptions::fetch_subscription_cache($choosequora->id, $user->id));
$this->assertTrue(\mod_quora\subscriptions::fetch_subscription_cache($initialquora->id, $user->id));
}
$finalcount = $DB->perf_get_reads();
$this->assertEquals(count($users), $finalcount - $postfillcount);
}
