tests/test_bin_dotbot.py

   1 import os
   2 import shutil
   3 import subprocess
   4
   5 import pytest
   6
   7
   8 @pytest.mark.skipif(
   9     "sys.platform[:5] == 'win32'",
  10     reason="The hybrid sh/Python dotbot script doesn't run on Windows platforms",
  11 )
  12 @pytest.mark.parametrize("python_name", (None, "python", "python3"))
  13 def test_find_python_executable(python_name, home, dotfiles):
  14     """Verify that the sh/Python hybrid dotbot executable can find Python."""
  15
  16     dotfiles.write_config([])
  17     dotbot_executable = os.path.join(
  18         os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "bin", "dotbot"
  19     )
  20
  21     # Create a link to sh.
  22     tmp_bin = os.path.join(home, "tmp_bin")
  23     os.makedirs(tmp_bin)
  24     sh_path = shutil.which("sh")
  25     os.symlink(sh_path, os.path.join(tmp_bin, "sh"))
  26
  27     if python_name:
  28         with open(os.path.join(tmp_bin, python_name), "w") as file:
  29             file.write("#!" + tmp_bin + "/sh\n")
  30             file.write("exit 0\n")
  31         os.chmod(os.path.join(tmp_bin, python_name), 0o777)
  32     env = dict(os.environ)
  33     env["PATH"] = tmp_bin
  34
  35     if python_name:
  36         subprocess.check_call(
  37             [dotbot_executable, "-c", dotfiles.config_filename],
  38             env=env,
  39         )
  40     else:
  41         with pytest.raises(subprocess.CalledProcessError):
  42             subprocess.check_call(
  43                 [dotbot_executable, "-c", dotfiles.config_filename],
  44                 env=env,
  45             )