/**
* Test for data_connector::deleteUser().
*/
public function test_delete_user()
{
$dc = new data_connector();
$consumer = new ToolConsumer(null, $dc);
$consumer->name = 'TestName';
$consumer->setKey('TestKey');
$consumer->secret = 'TestSecret';
$consumer->save();
$resourcelink = ResourceLink::fromConsumer($consumer, 'testresourcelinkid');
$resourcelink->save();
$user = User::fromResourceLink($resourcelink, '');
$user->ltiResultSourcedId = 'testLtiResultSourcedId';
$user->firstname = 'First';
$user->lastname = 'Last';
$user->fullname = 'Full name';
$user->email = '*****@*****.**';
$user->roles = ['a', 'b'];
$user->groups = ['1', '2'];
$user->save();
// Delete user.
$this->assertTrue($dc->deleteUser($user));
// User record should have been deleted from the DB.
$this->assertFalse($dc->loadUser($user));
// User object should have been initialised().
$this->assertEmpty($user->firstname);
$this->assertEmpty($user->lastname);
$this->assertEmpty($user->fullname);
$this->assertEmpty($user->email);
$this->assertEmpty($user->roles);
$this->assertEmpty($user->groups);
$this->assertNull($user->ltiResultSourcedId);
$this->assertNull($user->created);
$this->assertNull($user->updated);
}