flit/tests/test_find_python_executable.py

31 lines
780 B
Python

import os
import re
import sys
import pytest
from flit import PythonNotFoundError, find_python_executable
def test_default():
assert find_python_executable(None) == sys.executable
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_find_in_path():
assert os.path.isabs(find_python_executable("python"))
@pytest.mark.parametrize("bad_python_name", ["pyhton", "ls", "."])
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)