dify/api/tests/unit_tests/libs/test_file_utils.py
2025-09-09 17:11:49 +08:00

56 lines
1.9 KiB
Python

from pathlib import Path
import pytest
from libs.file_utils import search_file_upwards
def test_search_file_upwards_found_in_parent(tmp_path: Path):
base = tmp_path / "a" / "b" / "c"
base.mkdir(parents=True)
target = tmp_path / "a" / "target.txt"
target.write_text("ok", encoding="utf-8")
found = search_file_upwards(base, "target.txt", max_search_parent_depth=5)
assert found == target
def test_search_file_upwards_found_in_current(tmp_path: Path):
base = tmp_path / "x"
base.mkdir()
target = base / "here.txt"
target.write_text("x", encoding="utf-8")
found = search_file_upwards(base, "here.txt", max_search_parent_depth=1)
assert found == target
def test_search_file_upwards_not_found_raises(tmp_path: Path):
base = tmp_path / "m" / "n"
base.mkdir(parents=True)
with pytest.raises(ValueError) as exc:
search_file_upwards(base, "missing.txt", max_search_parent_depth=3)
# error message should contain file name and base path
msg = str(exc.value)
assert "missing.txt" in msg
assert str(base) in msg
def test_search_file_upwards_root_breaks_and_raises():
# Using filesystem root triggers the 'break' branch (parent == current)
with pytest.raises(ValueError):
search_file_upwards(Path("/"), "__definitely_not_exists__.txt", max_search_parent_depth=1)
def test_search_file_upwards_depth_limit_raises(tmp_path: Path):
base = tmp_path / "a" / "b" / "c"
base.mkdir(parents=True)
target = tmp_path / "a" / "target.txt"
target.write_text("ok", encoding="utf-8")
# The file is 2 levels up from `c` (in `a`), but search depth is only 2.
# The search path is `c` (depth 1) -> `b` (depth 2). The file is in `a` (would need depth 3).
# So, this should not find the file and should raise an error.
with pytest.raises(ValueError):
search_file_upwards(base, "target.txt", max_search_parent_depth=2)