public function itCreatesAThreeLevelTreeBecauseItMustLookLikeTheNodeTreeFromAMilestone()
{
$provider = new Cardwall_ArtifactNodeTreeProvider();
$artifact4 = aMockArtifact()->withId(4)->build();
$root_node = $provider->wrapInAThreeLevelArtifactTree(array(new ArtifactNode($artifact4)));
$this->assertTrue($root_node->hasChildren());
$this->assertTrue($root_node->getChild(0)->hasChildren());
$cards = $root_node->getChild(0)->getChildren();
$this->assertEqual(1, count($cards));
$card = $cards[0];
$id = $card->getId();
$this->assertEqual($id, 4);
$artifact = $card->getArtifact();
$this->assertIdentical($artifact, $artifact4);
}
