public function testManageCollection()
{
$cm = new CollectionManager();
$cm->addCollection(new Collection('events', '_events', ['output' => true]));
$cm->addCollection(new Collection('books', '_books', ['output' => true]));
$this->assertInstanceOf('\\Yosymfony\\Spress\\Core\\ContentManager\\Collection\\CollectionInterface', $cm->getCollection('events'));
$this->assertTrue($cm->hasCollection('events'));
$this->assertEquals(3, $cm->countCollection());
$cm->removeCollection('events');
$this->assertEquals(2, $cm->countCollection());
$cm->clearCollection();
$this->assertEquals(0, $cm->countCollection());
}
