Adding tests for connection

src/Jenssegers/Mongodb/Connection.php

@@ -180,7 +180,7 @@ class Connection extends \Illuminate\Database\Connection {
     */
     public function getDriverName()
     {
-        return '';
+        return 'mongodb';
     }
 
     /**

tests/ConnectionTest.php

@@ -20,6 +20,9 @@ class ConnectionTest extends TestCase {
 	{
 		$connection = DB::connection('mongodb');
 		$this->assertInstanceOf('MongoDB', $connection->getMongoDB());
+
+		$connection = DB::connection('mongodb');
+		$this->assertInstanceOf('MongoClient', $connection->getMongoClient());
 	}
 
 	public function testCollection()
@@ -81,4 +84,33 @@ class ConnectionTest extends TestCase {
 		$this->assertInstanceOf('Jenssegers\Mongodb\Schema\Builder', $schema);
 	}
 
+	public function testDriverName()
+	{
+		$driver = DB::connection('mongodb')->getDriverName();
+		$this->assertEquals('mongodb', $driver);
+	}
+
+	public function testAuth()
+	{
+		Config::set('database.connections.mongodb.username', 'foo');
+		Config::set('database.connections.mongodb.password', 'bar');
+		$host = Config::get('database.connections.mongodb.host');
+		$port = Config::get('database.connections.mongodb.port', 27017);
+		$database = Config::get('database.connections.mongodb.database');
+
+		$this->setExpectedException('MongoConnectionException', "Failed to connect to: $host:$port: Authentication failed on database '$database' with username 'foo': auth fails");
+		$connection = DB::connection('mongodb');
+	}
+
+	public function testCustomPort()
+	{
+		$port = 27000;
+		Config::set('database.connections.mongodb.port', $port);
+		$host = Config::get('database.connections.mongodb.host');
+		$database = Config::get('database.connections.mongodb.database');
+
+		$this->setExpectedException('MongoConnectionException', "Failed to connect to: $host:$port: Connection refused");
+		$connection = DB::connection('mongodb');
+	}
+
 }