deer-flow/backend/tests/test_ddg_search_tools.py

76 lines
2.8 KiB
Python

"""Unit tests for the DDGS community web search tool."""
import json
import sys
from types import SimpleNamespace
from unittest.mock import MagicMock, patch
from deerflow.community.ddg_search import tools
def test_resolve_ddgs_region_maps_worldwide_chinese_query_for_wikipedia() -> None:
assert tools._resolve_ddgs_region("\u4e16\u754c\u676f\u65b0\u95fb 2026", "wt-wt", "auto") == "cn-zh"
def test_resolve_ddgs_region_uses_english_fallback_for_worldwide_query() -> None:
assert tools._resolve_ddgs_region("latest world cup news", "wt-wt", "auto") == "us-en"
def test_resolve_ddgs_region_preserves_worldwide_for_non_wikipedia_backend() -> None:
assert tools._resolve_ddgs_region("latest world cup news", "wt-wt", "duckduckgo") == "wt-wt"
def test_resolve_ddgs_region_maps_common_ddg_locale_aliases() -> None:
assert tools._resolve_ddgs_region("\u65e5\u672c \u30cb\u30e5\u30fc\u30b9", "jp-jp", "auto") == "jp-ja"
assert tools._resolve_ddgs_region("\ud55c\uad6d \ub274\uc2a4", "kr-kr", "auto") == "kr-ko"
assert tools._resolve_ddgs_region("\u53f0\u7063\u65b0\u805e", "tw-tzh", "auto") == "tw-zh"
def test_search_text_passes_wikipedia_safe_region_to_ddgs(monkeypatch) -> None:
calls = {}
class FakeDDGS:
def __init__(self, timeout: int) -> None:
calls["timeout"] = timeout
def text(self, query: str, **kwargs):
calls["query"] = query
calls.update(kwargs)
return [{"title": "Result", "href": "https://example.com", "body": "Snippet"}]
monkeypatch.setitem(sys.modules, "ddgs", SimpleNamespace(DDGS=FakeDDGS))
results = tools._search_text("\u4e16\u754c\u676f\u65b0\u95fb 2026", backend="auto")
assert results == [{"title": "Result", "href": "https://example.com", "body": "Snippet"}]
assert calls["timeout"] == 30
assert calls["region"] == "cn-zh"
assert calls["backend"] == "auto"
def test_web_search_tool_reads_ddgs_options_from_config() -> None:
with patch("deerflow.community.ddg_search.tools.get_app_config") as mock_config:
tool_config = MagicMock()
tool_config.model_extra = {
"max_results": 3,
"region": "us-en",
"safesearch": "off",
"backend": "auto",
}
mock_config.return_value.get_tool_config.return_value = tool_config
with patch("deerflow.community.ddg_search.tools._search_text") as mock_search:
mock_search.return_value = [{"title": "Result", "href": "https://example.com", "body": "Snippet"}]
result = tools.web_search_tool.invoke({"query": "latest news", "max_results": 8})
parsed = json.loads(result)
assert parsed["total_results"] == 1
mock_search.assert_called_once_with(
query="latest news",
max_results=3,
region="us-en",
safesearch="off",
backend="auto",
)