Adding tests for #212

Author: jenssegers

tests/ConnectionTest.php

@@ -6,7 +6,10 @@ public function testConnection()
 	{
 		$connection = DB::connection('mongodb');
 		$this->assertInstanceOf('Jenssegers\Mongodb\Connection', $connection);
+	}
 
+	public function testReconnect()
+	{
 		$c1 = DB::connection('mongodb');
 		$c2 = DB::connection('mongodb');
 		$this->assertEquals(spl_object_hash($c1), spl_object_hash($c2));

tests/RelationsTest.php

@@ -57,6 +57,20 @@ public function testHasOne()
 
         $role = $user->role;
         $this->assertEquals('admin', $role->type);
+        $this->assertEquals($user->_id, $role->user_id);
+
+        $user = User::create(array('name' => 'Jane Doe'));
+        $role = new Role(array('type' => 'user'));
+        $user->role()->save($role);
+
+        $role = $user->role;
+        $this->assertEquals('user', $role->type);
+        $this->assertEquals($user->_id, $role->user_id);
+
+        $user = User::where('name', 'Jane Doe')->first();
+        $role = $user->role;
+        $this->assertEquals('user', $role->type);
+        $this->assertEquals($user->_id, $role->user_id);
     }
 
     public function testWithBelongsTo()