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hermes --tui launches the native OpenTUI engine (Bun) when HERMES_TUI_ENGINE=opentui (env) or display.tui_engine=opentui (config); Ink stays the default and the shipping path is untouched. - _resolve_tui_engine() (env > config > ink); refuses opentui on Windows/Termux (no Bun) -> falls back to ink with a notice. - _make_opentui_argv() -> [bun, src/entry.real.tsx] (no build step). - _bun_bin() with HERMES_BUN override. - Branch at top of _make_tui_argv BEFORE _ensure_tui_node (Bun-only host must not bootstrap Node). - Gate _launch_tui NODE_OPTIONS/--max-old-space-size on engine==ink (Bun is JSC; the V8 flag errors/ignores). Verified end-to-end via tmux: real hermes --tui -> Bun -> OpenTUI -> real Python gateway streamed a real reply. No-flag default still ink.
244 lines
10 KiB
Python
244 lines
10 KiB
Python
"""Tests for the DuckDuckGo (ddgs) web search provider.
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Covers:
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- DDGSWebSearchProvider.is_available() — reflects package importability
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- DDGSWebSearchProvider.search() — happy path, missing package, runtime error
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- Result normalization (title, url, description, position)
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- _is_backend_available("ddgs") / _get_backend() integration
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- web_extract returns a search-only error when ddgs is active
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"""
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from __future__ import annotations
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import json
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import sys
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import types
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import pytest
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from tests.tools.conftest import register_all_web_providers
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def _install_fake_ddgs(monkeypatch, *, text_results=None, text_raises=None):
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"""Install a stub ``ddgs`` module in sys.modules for the duration of a test.
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``text_results``: iterable of dicts to yield from DDGS().text(...).
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``text_raises``: if set, DDGS().text raises this exception instead.
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"""
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fake = types.ModuleType("ddgs")
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class _FakeDDGS:
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def __enter__(self):
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return self
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def __exit__(self, *_a):
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return False
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def text(self, query, max_results=5):
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if text_raises is not None:
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raise text_raises
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for hit in (text_results or []):
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yield hit
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fake.DDGS = _FakeDDGS
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monkeypatch.setitem(sys.modules, "ddgs", fake)
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return fake
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# ---------------------------------------------------------------------------
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# DDGSWebSearchProvider unit tests
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# ---------------------------------------------------------------------------
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class TestDDGSProviderIsConfigured:
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def test_configured_when_package_importable(self, monkeypatch):
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_install_fake_ddgs(monkeypatch)
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# Drop any cached ``plugins.web.ddgs.provider`` so is_configured re-imports ddgs fresh
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monkeypatch.delitem(sys.modules, "plugins.web.ddgs.provider", raising=False)
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from plugins.web.ddgs.provider import DDGSWebSearchProvider
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assert DDGSWebSearchProvider().is_available() is True
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def test_not_configured_when_package_missing(self, monkeypatch):
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monkeypatch.delitem(sys.modules, "ddgs", raising=False)
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monkeypatch.delitem(sys.modules, "plugins.web.ddgs.provider", raising=False)
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# Block the import so ``import ddgs`` raises ImportError even if the package is actually installed
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import builtins
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orig_import = builtins.__import__
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def blocked_import(name, *args, **kwargs):
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if name == "ddgs":
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raise ImportError("blocked for test")
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return orig_import(name, *args, **kwargs)
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monkeypatch.setattr(builtins, "__import__", blocked_import)
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from plugins.web.ddgs.provider import DDGSWebSearchProvider
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assert DDGSWebSearchProvider().is_available() is False
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def test_provider_name(self):
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from plugins.web.ddgs.provider import DDGSWebSearchProvider
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assert DDGSWebSearchProvider().name == "ddgs"
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def test_implements_web_search_provider(self):
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from agent.web_search_provider import WebSearchProvider
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from plugins.web.ddgs.provider import DDGSWebSearchProvider
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assert issubclass(DDGSWebSearchProvider, WebSearchProvider)
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class TestDDGSProviderSearch:
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def test_happy_path_normalizes_results(self, monkeypatch):
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_install_fake_ddgs(monkeypatch, text_results=[
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{"title": "A", "href": "https://a.example.com", "body": "desc A"},
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{"title": "B", "href": "https://b.example.com", "body": "desc B"},
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{"title": "C", "href": "https://c.example.com", "body": "desc C"},
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])
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from plugins.web.ddgs.provider import DDGSWebSearchProvider
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result = DDGSWebSearchProvider().search("q", limit=5)
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assert result["success"] is True
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web = result["data"]["web"]
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assert len(web) == 3
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assert web[0] == {"title": "A", "url": "https://a.example.com", "description": "desc A", "position": 1}
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assert web[2]["position"] == 3
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def test_accepts_url_key_as_fallback_for_href(self, monkeypatch):
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_install_fake_ddgs(monkeypatch, text_results=[
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{"title": "A", "url": "https://a.example.com", "body": "desc A"},
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])
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from plugins.web.ddgs.provider import DDGSWebSearchProvider
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result = DDGSWebSearchProvider().search("q", limit=5)
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assert result["success"] is True
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assert result["data"]["web"][0]["url"] == "https://a.example.com"
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def test_limit_is_respected(self, monkeypatch):
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_install_fake_ddgs(monkeypatch, text_results=[
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{"title": f"R{i}", "href": f"https://r{i}.example.com", "body": ""}
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for i in range(10)
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])
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from plugins.web.ddgs.provider import DDGSWebSearchProvider
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result = DDGSWebSearchProvider().search("q", limit=3)
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assert result["success"] is True
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assert len(result["data"]["web"]) == 3
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def test_missing_package_returns_failure(self, monkeypatch):
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monkeypatch.delitem(sys.modules, "ddgs", raising=False)
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monkeypatch.delitem(sys.modules, "plugins.web.ddgs.provider", raising=False)
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import builtins
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orig_import = builtins.__import__
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def blocked_import(name, *args, **kwargs):
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if name == "ddgs":
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raise ImportError("blocked for test")
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return orig_import(name, *args, **kwargs)
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monkeypatch.setattr(builtins, "__import__", blocked_import)
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from plugins.web.ddgs.provider import DDGSWebSearchProvider
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result = DDGSWebSearchProvider().search("q", limit=5)
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assert result["success"] is False
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assert "ddgs" in result["error"].lower()
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def test_runtime_error_returns_failure(self, monkeypatch):
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_install_fake_ddgs(monkeypatch, text_raises=RuntimeError("rate limited 202"))
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from plugins.web.ddgs.provider import DDGSWebSearchProvider
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result = DDGSWebSearchProvider().search("q", limit=5)
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assert result["success"] is False
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assert "rate limited" in result["error"] or "failed" in result["error"].lower()
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def test_empty_results(self, monkeypatch):
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_install_fake_ddgs(monkeypatch, text_results=[])
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from plugins.web.ddgs.provider import DDGSWebSearchProvider
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result = DDGSWebSearchProvider().search("nothing", limit=5)
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assert result["success"] is True
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assert result["data"]["web"] == []
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# ---------------------------------------------------------------------------
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# Integration: _is_backend_available / _get_backend / check_web_api_key
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# ---------------------------------------------------------------------------
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class TestDDGSBackendWiring:
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def test_is_backend_available_true_when_package_importable(self, monkeypatch):
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from tools import web_tools
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monkeypatch.setattr(web_tools, "_ddgs_package_importable", lambda: True)
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assert web_tools._is_backend_available("ddgs") is True
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def test_is_backend_available_false_when_package_missing(self, monkeypatch):
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from tools import web_tools
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monkeypatch.setattr(web_tools, "_ddgs_package_importable", lambda: False)
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assert web_tools._is_backend_available("ddgs") is False
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def test_configured_backend_accepted(self, monkeypatch):
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from tools import web_tools
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monkeypatch.setattr(web_tools, "_load_web_config", lambda: {"backend": "ddgs"})
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monkeypatch.setattr(web_tools, "_ddgs_package_importable", lambda: True)
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assert web_tools._get_backend() == "ddgs"
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def test_ddgs_trails_paid_providers_in_auto_detect(self, monkeypatch):
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"""Exa (priority) should win over ddgs in auto-detect."""
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from tools import web_tools
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monkeypatch.setattr(web_tools, "_load_web_config", lambda: {})
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for key in ("FIRECRAWL_API_KEY", "FIRECRAWL_API_URL", "PARALLEL_API_KEY",
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"TAVILY_API_KEY", "SEARXNG_URL", "BRAVE_SEARCH_API_KEY"):
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monkeypatch.delenv(key, raising=False)
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monkeypatch.setenv("EXA_API_KEY", "exa-key")
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monkeypatch.setattr(web_tools, "_is_tool_gateway_ready", lambda: False)
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monkeypatch.setattr(web_tools, "_ddgs_package_importable", lambda: True)
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assert web_tools._get_backend() == "exa"
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def test_auto_detect_picks_ddgs_as_last_resort(self, monkeypatch):
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from tools import web_tools
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monkeypatch.setattr(web_tools, "_load_web_config", lambda: {})
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for key in ("FIRECRAWL_API_KEY", "FIRECRAWL_API_URL", "PARALLEL_API_KEY",
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"TAVILY_API_KEY", "EXA_API_KEY", "SEARXNG_URL", "BRAVE_SEARCH_API_KEY"):
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monkeypatch.delenv(key, raising=False)
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monkeypatch.setattr(web_tools, "_is_tool_gateway_ready", lambda: False)
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monkeypatch.setattr(web_tools, "_ddgs_package_importable", lambda: True)
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assert web_tools._get_backend() == "ddgs"
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def test_check_web_api_key_true_when_ddgs_configured(self, monkeypatch):
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from tools import web_tools
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monkeypatch.setattr(web_tools, "_load_web_config", lambda: {"backend": "ddgs"})
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monkeypatch.setattr(web_tools, "_ddgs_package_importable", lambda: True)
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assert web_tools.check_web_api_key() is True
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# ---------------------------------------------------------------------------
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# ddgs is search-only: web_extract returns a clear error
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# ---------------------------------------------------------------------------
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class TestDDGSSearchOnlyErrors:
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_register_providers = staticmethod(register_all_web_providers)
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@pytest.fixture(autouse=True)
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def _populate_web_registry(self):
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self._register_providers()
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yield
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from agent.web_search_registry import _reset_for_tests
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_reset_for_tests()
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def test_web_extract_returns_search_only_error(self, monkeypatch):
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import asyncio
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from tools import web_tools
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monkeypatch.setattr(web_tools, "_load_web_config", lambda: {"backend": "ddgs"})
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monkeypatch.setattr(web_tools, "_ddgs_package_importable", lambda: True)
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monkeypatch.setattr(web_tools, "_is_tool_gateway_ready", lambda: False)
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async def _allow_ssrf(_url: str) -> bool:
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return True
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monkeypatch.setattr(web_tools, "async_is_safe_url", _allow_ssrf)
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monkeypatch.setattr("tools.interrupt.is_interrupted", lambda: False, raising=False)
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result_str = asyncio.get_event_loop().run_until_complete(
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web_tools.web_extract_tool(["https://example.com"])
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)
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result = json.loads(result_str)
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assert result["success"] is False
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assert "search-only" in result["error"].lower()
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assert "duckduckgo" in result["error"].lower() or "ddgs" in result["error"].lower()
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