public function testGetID()
{
$a = new Article();
$a->id = 2;
$this->assertEquals([2], $a->id());
Article::table()->primaryKey = ['id', 'blogId'];
$a->id = 2;
$a->blogId = 12;
$this->assertEquals([2, 12], $a->id());
Article::table()->primaryKey = ['id', 'title'];
$a->id = 2;
$a->title = 'string';
$this->assertEquals([2, 'string'], $a->id());
// Reset.
Article::table()->primaryKey = ['id'];
}
