text: # Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
  # Spack Project Developers. See the top-level COPYRIGHT file for details.
  #
  # SPDX-License-Identifier: (Apache-2.0 OR MIT)
  
  import os.path
  import re
  
  from llnl.util.filesystem import mkdirp, touch
  
  import spack.cmd.license
  import spack.paths
  from spack.main import SpackCommand
  
  license = SpackCommand('license')
  
  
  def test_list_files():
      files = license('list-files').strip().split('\n')
      assert all(f.startswith(spack.paths.prefix) for f in files)
      assert os.path.join(spack.paths.bin_path, 'spack') in files
      assert os.path.abspath(__file__) in files
  
  
  def test_verify(tmpdir):
      source_dir = tmpdir.join('lib', 'spack', 'spack')
      mkdirp(str(source_dir))
  
      no_header = source_dir.join('no_header.py')
      touch(str(no_header))
  
      lgpl_header = source_dir.join('lgpl_header.py')
      with lgpl_header.open('w') as f:
          f.write("""\
  # Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
  # Spack Project Developers. See the top-level COPYRIGHT file for details.
  #
  # SPDX-License-Identifier: LGPL-2.1-only
  """)
  
      old_lgpl_header = source_dir.join('old_lgpl_header.py')
      with old_lgpl_header.open('w') as f:
          f.write("""\
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU Lesser General Public License (as
  # published by the Free Software Foundation) version 2.1, February 1999.
  """)
  
      correct_header = source_dir.join('correct_header.py')
      with correct_header.open('w') as f:
          f.write("""\
  # Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
  # Spack Project Developers. See the top-level COPYRIGHT file for details.
  #
  # SPDX-License-Identifier: (Apache-2.0 OR MIT)
  """)
  
      out = license('--root', str(tmpdir), 'verify', fail_on_error=False)
  
      assert str(no_header) in out
      assert str(lgpl_header) in out
      assert str(old_lgpl_header) in out
      assert str(correct_header) not in out
      assert '3 improperly licensed files' in out
      assert re.search(r'files not containing expected license:\s*1', out)
      assert re.search(r'files with wrong SPDX-License-Identifier:\s*1', out)
      assert re.search(r'files with old license header:\s*1', out)
  
      assert license.returncode == 1
  
  
  def test_update_copyright_year(tmpdir):
      source_dir = tmpdir.join('lib', 'spack', 'spack')
      mkdirp(str(source_dir))
  
      years = list(range(2018, 2021))
  
      for year in years:
          outdated = source_dir.join('header_%d.py' % year)
          with outdated.open('w') as f:
              f.write("""\
  # Copyright 2013-%d Lawrence Livermore National Security, LLC and other
  # Spack Project Developers. See the top-level COPYRIGHT file for details.
  #
  # SPDX-License-Identifier: (Apache-2.0 OR MIT)
  """ % year)
  
      # add an old MIT license at top level
      mit_file = os.path.join(spack.paths.prefix, "LICENSE-MIT")
      test_mit_file = str(tmpdir.join("LICENSE-MIT"))
      with open(mit_file) as real:
          with open(test_mit_file, "w") as dummy:
              old_copyright = re.sub(r"\d{4}-\d{4}", "2018-2019", real.read())
              dummy.write(old_copyright)
  
      license('--root', str(tmpdir), 'update-copyright-year')
  
      for year in years:
          outdated = source_dir.join('header_%d.py' % year)
          first_line = outdated.open().read().split("\n")[0]
          assert str(year) not in first_line
          assert spack.cmd.license.strict_date in first_line
  
      mit_date = spack.cmd.license.strict_date.replace("Copyright", "Copyright (c)")
      assert mit_date in open(test_mit_file).read()
  