def test_str(self) -> None:
with volatile.dir() as d:
dp = Path(d).resolve()
# doesn't matter if it's a dir or file currently
(dp / "pyproject.toml").write_text("")
(dp / "x").mkdir()
self.assertEqual(dp, get_root(str(dp)))
self.assertEqual(dp, get_root(str(dp / "x")))
def test_various_indicators(self) -> None:
for ind in (".git", "pyproject.toml"):
with volatile.dir() as d:
dp = Path(d).resolve()
# doesn't matter if it's a dir or file currently
(dp / ind).write_text("")
self.assertEqual(dp, get_root(dp))
(dp / "x").mkdir()
self.assertEqual(dp, get_root(dp / "x"))
def test_custom_root_indicators(self) -> None:
for iterable_type in [list, set, tuple]:
with volatile.dir() as d:
dp = Path(d).resolve()
# doesn't matter if it's a dir or file currently
(dp / ".git").write_text("")
self.assertEqual(
dp, get_root(dp, root_indicators=iterable_type([".git"])))
(dp / "x").mkdir()
self.assertEqual(
dp,
get_root(dp / "x",
root_indicators=iterable_type([".git"])))
def test_optional_value(self) -> None:
with volatile.dir() as d:
dp = Path(d).resolve()
# doesn't matter if it's a dir or file currently
(dp / "pyproject.toml").write_text("")
(dp / "x").mkdir()
try:
prev = os.getcwd()
os.chdir(dp / "x")
self.assertEqual(dp, get_root())
finally:
os.chdir(prev)
def test_invalid_dir_raises(self) -> None:
with volatile.dir() as d:
dp = Path(d).resolve()
with self.assertRaisesRegex(ValueError,
"missing is not a directory"):
get_root(dp / "missing")
(dp / "file").write_text("")
with self.assertRaisesRegex(ValueError, "file is not a directory"):
get_root(dp / "file")
# This can be different depending on whether a tmpfs is used
with self.assertRaisesRegex(
ValueError,
"No root found (before actual root|on same device)"):
get_root(dp)
with self.assertRaisesRegex(
ValueError,
"No root found (before actual root|on same device)"):
get_root(Path("/"))