feat(assistant): #91 etapes enrichies (sous-sections Reflechon/Sources, chevrons, indicateur anime, suppression barre de chargement)

tests/test_web_tools.py

@@ -67,6 +67,30 @@ class TestWebSearch:
         with pytest.raises(ToolError):
             web.web_search(_ctx(), web.WebSearchInput(query="   "))
 
+    def test_empty_result_set_warns_about_blocked_engines(self, monkeypatch):
+        """An all-blocked instance answers 200 with no results: the model must
+        be told instead of retrying the same search until the quota burns."""
+        monkeypatch.setattr(web.httpx, "get", lambda *a, **kw: FakeResponse(json_data={
+            "results": [],
+            "number_of_results": 0,
+            "unresponsive_engines": [["duckduckgo", "CAPTCHA"], ["google", "access denied"]],
+        }))
+        out = web.web_search(_ctx(), web.WebSearchInput(query="meteo montreal"))
+        assert out["count"] == 0
+        assert out["unresponsive_engines"] == ["duckduckgo", "google"]
+        assert "warning" in out
+        assert "indisponibles" in out["warning"]
+
+    def test_results_carry_no_warning(self, monkeypatch):
+        monkeypatch.setattr(web.httpx, "get", lambda *a, **kw: FakeResponse(json_data={
+            "results": [{"title": "A", "url": "https://a.dev", "content": "x"}],
+            "unresponsive_engines": [["brave", "rate limited"]],
+        }))
+        out = web.web_search(_ctx(), web.WebSearchInput(query="pizza"))
+        assert out["count"] == 1
+        assert "warning" not in out
+        assert out["unresponsive_engines"] == ["brave"]
+
     def test_engine_unavailable_maps_to_tool_error(self, monkeypatch):
         def boom(*a, **kw):
             raise web.httpx.ConnectError("down")