function test_update_if_set_to_default_but_nondefault_in_db()
{
$s = new AbstractSettings('testtable', array('key1', 'key2', 'key3'), 'val');
$s->_defaults = array('3' => 'defaultval');
// Mock the return value of get_results, to simulate saved settings.
$r = array(array('key1' => 1, 'key2' => 2, 'key3' => 3, 'val' => 'dbval'));
$this->MockDB->returns('get_results', $r);
$this->MockDB->returns('query', 1);
$s->load_all();
$this->assertEqual($s->get(1, 2, 3), 'dbval');
$this->assertEqual($s->get_default(3), 'defaultval');
// Setting it to default value (with another value in DB) should update:
$this->assertTrue($s->set(1, 2, 3, 'defaultval'));
$this->assertTrue($s->dbupdate());
$this->assertTrue($s->delete(1, 2, 3));
$this->assertEqual($s->get(1, 2, 3), 'defaultval');
// If db value is the default value (set explicitly), do not remove (or update) it:
$this->assertFalse($s->dbupdate());
// Reload mocked db values.
$s->reset();
// Deleting a value should cause an update.
$this->assertEqual($s->get(1, 2, 3), 'dbval');
$this->assertTrue($s->delete(1, 2, 3));
$this->assertEqual($s->get(1, 2, 3), 'defaultval');
$this->assertTrue($s->dbupdate());
}
