def test_delete_drive(self):
drive_name = "home"
fs = FileSystem()
fs.create_drive(drive_name)
fs.delete(drive_name)
self.assertEqual(len(fs._drives), 0)
def test_cannot_delete_non_existent_file(self):
fs = FileSystem()
with self.assertRaises(PathNotFoundException):
fs.delete("home\\test")
