old_contents: """Testing utilities."""
  
  import os
  
  import pytest
  
  from mingle.utilities import param_file
  from mingle.utilities.crires_utilities import crires_resolution
  from mingle.utilities.io import get_filenames
  
  
  def test_crires_resolution():
      """Simple manual test of crires resolution Rule of thumb."""
      header = {"INSTRUME": "CRIRES", "HIERARCH ESO INS SLIT1 WID": 0.2, "result": 100000}
  
      header2 = {"INSTRUME": "CRIRES", "HIERARCH ESO INS SLIT1 WID": 0.4, "result": 50000}
  
      res_1 = crires_resolution(header)
      res_2 = crires_resolution(header2)
  
      assert isinstance(res_1, int)
      assert isinstance(res_2, int)
      assert res_1 == header["result"]
      assert res_2 == header2["result"]
      assert res_1 > res_2
  
  
  @pytest.mark.parametrize("list_str_in, expected", [
      ("[20, 15, 2]", [20., 15., 2.]),
      ("[hello, 15, ]", ["hello", "15", ""]),
  ])
  def test_parse_list_string(list_str_int, expected):
      assert param_file.parse_list_string(list_str_in) == expected
  
  
  def test_parse_paramfile():
      test_param_file = "test_params.dat"
      params = param_file.parse_paramfile(test_param_file, "tests/testdata")
  
      assert params["name"] == "hd4747"
      assert params["spt"] == "g9v"
      assert params["comp_temp"] == 1733.
      assert params["tau"] == 50463.10
  
  
  def test_parse_paramfile_errors():
      test_param_file = "noexistent_paramfile.txt"
  
      with pytest.raises(Exception):
          param_file.parse_paramfile(test_param_file, "tests/testdata")
  
  
  def test_get_host_params(sim_config):
      """Find host star parameters from param file."""
      simulators = sim_config
      star = "test"
      simulators.paths["parameters"] = "tests/testdata"
  
      params = param_file.get_host_params(star)
  
      assert len(params) == 3
      assert params == (5340, 4.65, -0.22)
  
  
  def test_load_paramfile_returns_parse_paramfile(sim_config, params_1):
      simulators = sim_config
      star = "test"
      simulators.paths["parameters"] = "tests/testdata"
  
      params2 = param_file.load_paramfile(star)
  
      assert params_1 == params2
      assert isinstance(params2, dict)
  
  
  def test_get_filenames_with_one_regex():
      print("cwd", os.getcwd())
      results = get_filenames("tests/testdata/handy_spectra", "detect*")
  
      assert "detector_masks.json" in results
      assert "detector_snrs.json" in results
      assert len(results) == 2
  
  
  def test_get_filenames_with_two_regex():
      results = get_filenames("tests/utilities", "test_*", "*_util*")
  
      assert "test_phoenix_utils.py" in results
      assert "test_simulation_utils.py" in results
      assert "test_spectrum_utils.py" in results
      assert "test_utilities.py" in results
      assert len(results) == 5
  
new_contents: """Testing utilities."""
  
  import os
  
  import pytest
  
  from mingle.utilities import param_file
  from mingle.utilities.crires_utilities import crires_resolution
  from mingle.utilities.io import get_filenames
  
  
  def test_crires_resolution():
      """Simple manual test of crires resolution Rule of thumb."""
      header = {"INSTRUME": "CRIRES", "HIERARCH ESO INS SLIT1 WID": 0.2, "result": 100000}
  
      header2 = {"INSTRUME": "CRIRES", "HIERARCH ESO INS SLIT1 WID": 0.4, "result": 50000}
  
      res_1 = crires_resolution(header)
      res_2 = crires_resolution(header2)
  
      assert isinstance(res_1, int)
      assert isinstance(res_2, int)
      assert res_1 == header["result"]
      assert res_2 == header2["result"]
      assert res_1 > res_2
  
  
  @pytest.mark.parametrize("list_str_in, expected", [
      ("[20, 15, 2]", [20., 15., 2.]),
      ("[hello, 15, ]", ["hello", "15", ""]),
  ])
  def test_parse_list_string(list_str_in, expected):
      assert param_file.parse_list_string(list_str_in) == expected
  
  
  def test_parse_paramfile():
      test_param_file = "test_params.dat"
      params = param_file.parse_paramfile(test_param_file, "tests/testdata")
  
      assert params["name"] == "hd4747"
      assert params["spt"] == "g9v"
      assert params["comp_temp"] == 1733.
      assert params["tau"] == 50463.10
  
  
  def test_parse_paramfile_errors():
      test_param_file = "noexistent_paramfile.txt"
  
      with pytest.raises(Exception):
          param_file.parse_paramfile(test_param_file, "tests/testdata")
  
  
  def test_get_host_params(sim_config):
      """Find host star parameters from param file."""
      simulators = sim_config
      star = "test"
      simulators.paths["parameters"] = "tests/testdata"
  
      params = param_file.get_host_params(star)
  
      assert len(params) == 3
      assert params == (5340, 4.65, -0.22)
  
  
  def test_load_paramfile_returns_parse_paramfile(sim_config, params_1):
      simulators = sim_config
      star = "test"
      simulators.paths["parameters"] = "tests/testdata"
  
      params2 = param_file.load_paramfile(star)
  
      assert params_1 == params2
      assert isinstance(params2, dict)
  
  
  def test_get_filenames_with_one_regex():
      print("cwd", os.getcwd())
      results = get_filenames("tests/testdata/handy_spectra", "detect*")
  
      assert "detector_masks.json" in results
      assert "detector_snrs.json" in results
      assert len(results) == 2
  
  
  def test_get_filenames_with_two_regex():
      results = get_filenames("tests/utilities", "test_*", "*_util*")
  
      assert "test_phoenix_utils.py" in results
      assert "test_simulation_utils.py" in results
      assert "test_spectrum_utils.py" in results
      assert "test_utilities.py" in results
      assert len(results) == 5
  
subject: fix name of variable, incorrectly changed in last commit