public function testConstructor()
{
$tagging = new Tagging();
$this->assertNull($tagging->getId());
$this->assertEquals(new \DateTime('now'), $tagging->getCreatedAt());
$this->assertEquals(new \DateTime('now'), $tagging->getUpdatedAt());
$tag = new Tag('Smallville');
$article = new Article();
$article->setTitle('Hello World!');
$article->id = 123;
$tagging = new Tagging($tag, $article);
$this->assertEquals($article->getTaggableType(), $tagging->getResourceType());
$this->assertEquals($article->getTaggableId(), $tagging->getResourceId());
$this->assertEquals($tag, $tagging->getTag());
}
