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<?php
namespace MongoDB\Tests\Operation;
use MongoDB\Driver\Server;
use MongoDB\Operation\DropCollection;
use MongoDB\Operation\InsertOne;
use MongoDB\Operation\ListCollections;
class DropCollectionFunctionalTest extends FunctionalTestCase
{
public function testDropExistingCollection()
{
$server = $this->getPrimaryServer();
$insertOne = new InsertOne($this->getDatabaseName(), $this->getCollectionName(), ['x' => 1]);
$writeResult = $insertOne->execute($server);
$this->assertEquals(1, $writeResult->getInsertedCount());
$operation = new DropCollection($this->getDatabaseName(), $this->getCollectionName());
$operation->execute($server);
$this->assertCollectionDoesNotExist($server, $this->getDatabaseName(), $this->getCollectionName());
}
/**
* @depends testDropExistingCollection
*/
public function testDropNonexistentCollection()
{
$server = $this->getPrimaryServer();
$this->assertCollectionDoesNotExist($server, $this->getDatabaseName(), $this->getCollectionName());
$operation = new DropCollection($this->getDatabaseName(), $this->getCollectionName());
$operation->execute($server);
}
/**
* Asserts that a collection with the given name does not exist on the
* server.
*
* @param Server $server
* @param string $databaseName
* @param string $collectionName
*/
private function assertCollectionDoesNotExist(Server $server, $databaseName, $collectionName)
{
$operation = new ListCollections($databaseName);
$collections = $operation->execute($server);
$foundCollection = null;
foreach ($collections as $collection) {
if ($collection->getName() === $collectionName) {
$foundCollection = $collection;
break;
}
}
$this->assertNull($foundCollection, sprintf('Collection %s exists on the server', $collectionName));
}
}