Add missing namespace imports in GridFS\Bucket (fixes #151)

Author: doublecompile

src/GridFS/Bucket.php

@@ -5,6 +5,8 @@
 use MongoDB\BSON\ObjectId;
 use MongoDB\Driver\Cursor;
 use MongoDB\Driver\Manager;
+use MongoDB\Driver\ReadPreference;
+use MongoDB\Driver\WriteConcern;
 use MongoDB\Exception\GridFSFileNotFoundException;
 use MongoDB\Exception\InvalidArgumentException;
 use MongoDB\Operation\Find;

tests/GridFS/BucketFunctionalTest.php

@@ -2,13 +2,24 @@
 
 namespace MongoDB\Tests\GridFS;
 
+use MongoDB\Driver\ReadPreference;
+use MongoDB\Driver\WriteConcern;
 use MongoDB\GridFS\Bucket;
 
 /**
  * Functional tests for the Bucket class.
  */
 class BucketFunctionalTest extends FunctionalTestCase
 {
+    public function testValidConstructorOptions()
+    {
+        new Bucket($this->manager, $this->getDatabaseName(), [
+            'bucketName' => 'test',
+            'chunkSizeBytes' => 8192,
+            'readPreference' => new ReadPreference(ReadPreference::RP_PRIMARY),
+            'writeConcern' => new WriteConcern(WriteConcern::MAJORITY, 1000),
+        ]);
+    }
 
     /**
      * @expectedException MongoDB\Exception\InvalidArgumentException