def test_env_site_simple(tmp_dir, mocker):
# emulate permission error when creating directory
mocker.patch("poetry.utils._compat.Path.mkdir", side_effect=OSError())
site_packages = SitePackages(Path("/non-existent"), fallbacks=[Path(tmp_dir)])
candidates = site_packages.make_candidates(Path("hello.txt"), writable_only=True)
hello = Path(tmp_dir) / "hello.txt"
assert len(candidates) == 1
assert candidates[0].as_posix() == hello.as_posix()
content = decode(str(uuid.uuid4()))
site_packages.write_text(Path("hello.txt"), content, encoding="utf-8")
assert hello.read_text(encoding="utf-8") == content
assert not (site_packages.path / "hello.txt").exists()
def test_env_site_select_first(tmp_dir):
path = Path(tmp_dir)
fallback = path / "fallback"
fallback.mkdir(parents=True)
site_packages = SitePackages(path, fallbacks=[fallback])
candidates = site_packages.make_candidates(Path("hello.txt"), writable_only=True)
assert len(candidates) == 2
assert len(site_packages.find(Path("hello.txt"))) == 0
content = decode(str(uuid.uuid4()))
site_packages.write_text(Path("hello.txt"), content, encoding="utf-8")
assert (site_packages.path / "hello.txt").exists()
assert not (fallback / "hello.txt").exists()
assert len(site_packages.find(Path("hello.txt"))) == 1