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import logging
import os
from pathlib import Path
import pytest
from virtualenv.discovery.py_info import EXTENSIONS, PythonInfo
from virtualenv.info import IS_WIN, fs_is_case_sensitive, fs_supports_symlink
CURRENT = PythonInfo.current()
def test_discover_empty_folder(tmp_path, session_app_data):
with pytest.raises(RuntimeError):
CURRENT.discover_exe(session_app_data, prefix=str(tmp_path))
BASE = (CURRENT.install_path("scripts"), ".")
@pytest.mark.skipif(not fs_supports_symlink(), reason="symlink is not supported")
@pytest.mark.parametrize("suffix", sorted({".exe", ".cmd", ""} & set(EXTENSIONS) if IS_WIN else [""]))
@pytest.mark.parametrize("into", BASE)
@pytest.mark.parametrize("arch", [CURRENT.architecture, ""])
@pytest.mark.parametrize("version", [".".join(str(i) for i in CURRENT.version_info[0:i]) for i in range(3, 0, -1)])
@pytest.mark.parametrize("impl", [CURRENT.implementation, "python"])
def test_discover_ok(tmp_path, suffix, impl, version, arch, into, caplog, session_app_data):
caplog.set_level(logging.DEBUG)
folder = tmp_path / into
folder.mkdir(parents=True, exist_ok=True)
name = f"{impl}{version}"
if arch:
name += f"-{arch}"
name += suffix
dest = folder / name
os.symlink(CURRENT.executable, str(dest))
pyvenv = Path(CURRENT.executable).parents[1] / "pyvenv.cfg"
if pyvenv.exists():
(folder / pyvenv.name).write_text(pyvenv.read_text())
inside_folder = str(tmp_path)
base = CURRENT.discover_exe(session_app_data, inside_folder)
found = base.executable
dest_str = str(dest)
if not fs_is_case_sensitive():
found = found.lower()
dest_str = dest_str.lower()
assert found == dest_str
assert len(caplog.messages) >= 1, caplog.text
assert "get interpreter info via cmd: " in caplog.text
dest.rename(dest.parent / (dest.name + "-1"))
CURRENT._cache_exe_discovery.clear()
with pytest.raises(RuntimeError):
CURRENT.discover_exe(session_app_data, inside_folder)
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