code: def test_oss_filesystem(fake_obj_iter, fake_oss_bucket, setup):
      access_key_id = "your_access_key_id"
      access_key_secret = "your_access_key_secret"
      end_point = "your_endpoint"
  
      file_path = f"oss://bucket/file.csv"
      dir_path = f"oss://bucket/dir/"
      dir_path_content_magic = f"oss://bucket/dir*/"
      other_scheme_path = f"scheme://netloc/path"
      not_exist_file_path = f"oss://bucket/not_exist.csv"
  
      fake_file_path = build_oss_path(
          file_path, access_key_id, access_key_secret, end_point
      )
      fake_dir_path = build_oss_path(
          dir_path, access_key_id, access_key_secret, end_point
      )
      fake_dir_path_contains_magic = build_oss_path(
          dir_path_content_magic,
          access_key_id,
          access_key_secret,
          end_point,
      )
      fake_other_scheme_path = build_oss_path(
          other_scheme_path, access_key_id, access_key_secret, end_point
      )
      fake_not_exist_file_path = build_oss_path(
          not_exist_file_path,
          access_key_id,
          access_key_secret,
          end_point,
      )
      fs = oss.OSSFileSystem.get_instance()
  
      # Test OSSFileSystem.
      assert len(fs.ls(fake_dir_path)) == 4
      assert not fs.isfile(fake_dir_path)
      assert fs.isdir(fake_dir_path)
      assert not fs.isdir(fake_file_path)
      assert fs.isfile(fake_file_path)
      assert fs.exists(fake_file_path)
      assert not fs.exists(fake_not_exist_file_path)
      assert fs.stat(fake_file_path)["type"] == "file"
      assert fs.stat(fake_dir_path)["type"] == "directory"
      assert fs.glob(fake_dir_path) == [fake_dir_path]
  
      with pytest.raises(ValueError) as e:
          fs.exists(fake_other_scheme_path)
      msg1 = e.value.args[0]
      assert (
          msg1 == f"Except scheme oss, but got scheme: "
          f"scheme in path: {fake_other_scheme_path}"
      )
  
      with pytest.raises(RuntimeError) as e:
          fs.exists(file_path)
      msg2 = e.value.args[0]
      assert msg2 == "Please use build_oss_path to add OSS info"
  
      with pytest.raises(OSError):
          print(fs.ls(fake_file_path))
  
      assert len(fs.glob(fake_file_path)) == 1
      assert len(fs.glob(fake_dir_path + "*", recursive=True)) == 4
      assert len(fs.glob(fake_dir_path_contains_magic)) == 2
  
      # Test the specific functions of glob.
      assert og.has_magic(b"*")
      assert og.escape(b"*") == b"[*]"
      assert og.escape("*") == "[*]"
  
      # test OSSIOBase
      with fs.open(fake_file_path) as f:
          assert f.readline() == b"id1,id2,id3\n"
          assert f.readline() == b"1,2,3\n"
          f.seek(-1, 2)
          assert f.readline() == b"\n"
          with pytest.raises(AttributeError):
              f.fileno()
          with pytest.raises(OSError):
              f.seek(-1)
          with pytest.raises(OSError):
              f.seek(-100, 1)
          with pytest.raises(ValueError):
              f.seek(1, 3)
          f.seek(0)
          assert f.read() == b"id1,id2,id3\n1,2,3\n"
          f.seek(0)
          assert f.readline(2) == b"id"
          f.seek(0)
          with pytest.raises(TypeError):
              f.readline("2")
  
      fe = OSSFileEntry(fake_file_path)
      assert fe.path == fake_file_path
  
      df = md.read_csv(fake_file_path).execute()
      assert df.shape == (1, 3)
  
imports: import time
  from io import BytesIO
  import pytest
  from ....None import dataframe
  from ....tests.core import mock
  from ..None import oss
  from .._oss_lib import glob
  from .._oss_lib.common import OSSFileEntry
  from ..oss import build_oss_path
label_desc: Use image node_id 1 for calling a global function with example usage: test_oss_filesystem(fake_obj_iter, fake_oss_bucket, setup) without return types