test: split service health tests (#4972)

* test: split service health tests

* test(service-health): preserve focus selector

tests/test_service_health_search.py

@@ -0,0 +1,79 @@
+"""Tests for searxng_health — probe logic, status classification, and sanitization."""
+import types
+
+import pytest
+
+from src import service_health as sh
+
+
+def _resp(status_code):
+    return types.SimpleNamespace(status_code=status_code)
+
+
+def _raise(*_a, **_k):
+    raise RuntimeError("connection refused")
+
+
+def test_searxng_disabled_when_other_provider():
+    s = sh.searxng_health({"search_provider": "brave"})
+    assert s["status"] == sh.DISABLED
+
+
+def test_searxng_ok_on_healthz():
+    s = sh.searxng_health(
+        {"search_provider": "searxng", "search_url": "http://sx:8080"},
+        http_get=lambda url, timeout: _resp(200),
+    )
+    assert s["status"] == sh.OK
+    assert s["meta"]["probed"] == "/healthz"
+
+
+def test_searxng_ok_on_root_fallback():
+    def getter(url, timeout):
+        return _resp(404) if url.endswith("/healthz") else _resp(200)
+
+    s = sh.searxng_health(
+        {"search_provider": "searxng", "search_url": "http://sx:8080"},
+        http_get=getter,
+    )
+    assert s["status"] == sh.OK
+    assert s["meta"]["probed"] == "/"
+
+
+def test_searxng_down_on_exception():
+    s = sh.searxng_health(
+        {"search_provider": "searxng", "search_url": "http://sx:8080"},
+        http_get=_raise,
+    )
+    assert s["status"] == sh.DOWN
+
+
+def test_searxng_down_on_5xx():
+    s = sh.searxng_health(
+        {"search_provider": "searxng", "search_url": "http://sx:8080"},
+        http_get=lambda url, timeout: _resp(502),
+    )
+    assert s["status"] == sh.DOWN
+
+
+def test_searxng_meta_redacts_instance_url():
+    s = sh.searxng_health(
+        {"search_provider": "searxng",
+         "search_url": "http://user:s3cr3t@searx.local:8080/?token=zzz"},
+        http_get=lambda url, timeout: _resp(200),
+    )
+    blob = repr(s)
+    assert "s3cr3t" not in blob and "zzz" not in blob and "user:" not in blob
+    assert s["meta"]["instance"] == "http://searx.local:8080"
+
+
+def test_searxng_down_uses_error_category_not_raw_exception():
+    def boom(url, timeout):
+        raise RuntimeError("failed connecting to http://user:pw@searx.local secret-token")
+    s = sh.searxng_health(
+        {"search_provider": "searxng", "search_url": "http://searx.local"},
+        http_get=boom,
+    )
+    assert s["status"] == sh.DOWN
+    assert s["meta"]["error"] == "error"           # controlled category token
+    assert "secret-token" not in repr(s) and "pw@" not in repr(s)