def test_default(): assert find_python_executable(None) == sys.executable
def test_find_in_path(): assert os.path.isabs(find_python_executable("python"))
def test_self(): assert find_python_executable(sys.executable) == sys.executable
def test_abs(): assert find_python_executable("/usr/bin/python") == "/usr/bin/python"
def test_exception(bad_python_name: str): """Test that an appropriate exception (that contains the error string) is raised.""" with pytest.raises(PythonNotFoundError, match=re.escape(bad_python_name)): find_python_executable(bad_python_name)