test: cover remaining cloud fallback safeguards

tests/unit/test_gemini_provider.py

@@ -14,6 +14,7 @@ from javis.providers.base import (
     InvalidProviderResponseError,
     MissingApiKeyError,
     ProviderRateLimitError,
+    ProviderTimeoutError,
 )
 from javis.providers.gemini import GeminiProvider
 
@@ -140,6 +141,13 @@ class GeminiProviderTests(unittest.TestCase):
         with self.assertRaises(CloudNetworkError):
             provider.chat([ChatMessage("user", "Was ist Python?")])
 
+    def test_timeout_is_a_distinct_fallback_signal(self) -> None:
+        request = httpx.Request("POST", "https://example.invalid")
+        provider, _ = self._provider(httpx.ReadTimeout("timeout", request=request))
+
+        with self.assertRaises(ProviderTimeoutError):
+            provider.chat([ChatMessage("user", "Was ist Python?")])
+
     def test_empty_response_is_rejected(self) -> None:
         provider, _ = self._provider(_response("  "))
 

tests/unit/test_provider_router.py

@@ -8,11 +8,13 @@ from javis.core.provider_router import HybridProvider
 from javis.memory.usage_store import ProviderEvent, SQLiteUsageStore
 from javis.providers.base import (
     ChatMessage,
+    CloudModelUnavailableError,
     CloudNetworkError,
     InvalidApiKeyError,
     LocalModelProvider,
     MissingApiKeyError,
     ProviderRateLimitError,
+    ProviderTimeoutError,
     ProviderUsage,
 )
 from javis.security.privacy import CloudPolicy, PrivacyRouter
@@ -167,6 +169,20 @@ class HybridProviderTests(unittest.TestCase):
         self.assertEqual(answer, "Lokal")
         self.assertTrue(router.last_route.fallback)
 
+    def test_timeout_and_missing_model_fall_back(self) -> None:
+        for error in (
+            ProviderTimeoutError("timeout"),
+            CloudModelUnavailableError("missing model"),
+        ):
+            with self.subTest(error=type(error).__name__):
+                self.cloud.error = error
+                router = self._router()
+
+                answer = router.chat([ChatMessage("user", "Wie funktioniert Python?")])
+
+                self.assertEqual(answer, "Lokal")
+                self.assertTrue(router.last_route.fallback)
+
     def test_missing_key_falls_back(self) -> None:
         def missing_key() -> _RecordingProvider:
             raise MissingApiKeyError("missing")