text: import os
  from swepy.nsidcDownloader import nsidcDownloader
  import glob
  import pytest
  import datetime
  
  
  def test_nD_local():
      file = {
          "protocol": "http",
          "server": "localhost:8000",
          "datapool": "MEASURES",
          "dataset": "NSIDC-0630",
          "version": "001",
          "projection": "EASE2",
          "resolution": "6.25km",
          "platform": "F17",
          "sensor": "SSMIS",
          "date1": datetime.date(2010, 1, 1),
          "date2": datetime.date(2010, 1, 1),
          "channel": "19H",
          "grid": "N",
          "pass": "M",
          "algorithm": "SIR",
          "input": "CSU",
          "dataversion": "v1.3",
      }
      nD = nsidcDownloader(no_auth=True)
      nD.download_file(**file)
      list1 = glob.glob("*.nc")
      assert (
          "NSIDC-0630-EASE2_N6.25km-F17_SSMIS-2010001-19H-M-SIR-CSU-v1.3.nc"
          in list1
      )
  
  
  def test_get_auth():
      with pytest.raises(PermissionError):
          nsidcDownloader("room", "backend")
  
  
  def test_file_not_found():
      with pytest.raises(FileNotFoundError):
          file = {
              "protocol": "http",
              "server": "localhost:8000",
              "datapool": "MEASURES",
              "dataset": "NSIDC-0630",
              "version": "001",
              "projection": "EASE2",
              "resolution": "6.25km",
              "platform": "F17",
              "sensor": "SSMIS",
              "date1": datetime.date(2010, 1, 1),
              "date2": datetime.date(2010, 1, 1),
              "channel": "19H",
              "grid": "K",
              "pass": "M",
              "algorithm": "SIR",
              "input": "CSU",
              "dataversion": "v1.3",
          }
          nD = nsidcDownloader(no_auth=True)
          nD.download_file(**file)
  