backend ci fixed

.github/workflows/ci.yml

@@ -48,16 +48,18 @@ jobs:
         env:
           SECRET_KEY: ci-dummy-secret
           DATABASE_URL: sqlite:///./ci_test.db
+          DEBUG: "false"
           HF_TOKEN: ci-dummy-token
           UPLOAD_DIR: /tmp/uploads
           CHROMA_PERSIST_DIR: /tmp/chroma
         run: |
-          python -c "import sys; sys.path.insert(0, 'backend'); from app.config import settings; print('✅ Config imports OK')" || true
+          python -c "import sys; sys.path.insert(0, 'backend'); from app.config import get_settings; get_settings(); print('Config imports OK')"
 
       - name: Run backend pytest suite
         env:
           SECRET_KEY: ci-dummy-secret
           DATABASE_URL: sqlite:///./ci_test.db
+          DEBUG: "false"
           HF_TOKEN: ci-dummy-token
           UPLOAD_DIR: /tmp/uploads
           CHROMA_PERSIST_DIR: /tmp/chroma

backend/app/routes/chat.py

@@ -29,6 +29,28 @@ logger = logging.getLogger(__name__)
 router = APIRouter(prefix="/chat", tags=["Chat"])
 
 
+def generate_answer(question: str, user_id: str, document_id: Optional[str] = None):
+    """Import the RAG agent lazily so route tests can patch this boundary."""
+    from app.rag.agent import generate_answer as _generate_answer
+
+    return _generate_answer(
+        question=question,
+        user_id=user_id,
+        document_id=document_id,
+    )
+
+
+def generate_answer_stream(question: str, user_id: str, document_id: Optional[str] = None):
+    """Import the streaming RAG agent lazily so route tests can patch this boundary."""
+    from app.rag.agent import generate_answer_stream as _generate_answer_stream
+
+    return _generate_answer_stream(
+        question=question,
+        user_id=user_id,
+        document_id=document_id,
+    )
+
+
 @router.post("/ask", response_model=ChatResponse)
 @limiter.limit("10/minute")
 def ask_question(
@@ -82,9 +104,6 @@ def ask_question(
                     detail=f"Document is still {doc.status}. Please wait for processing to complete.",
                 )
 
-        # Generate answer
-        from app.rag.agent import generate_answer
-
         result = generate_answer(
             question=payload.question,
             user_id=user.id,
@@ -174,8 +193,6 @@ def ask_question_stream(
         sources = []
 
         try:
-            from app.rag.agent import generate_answer_stream
-
             for chunk in generate_answer_stream(
                 question=payload.question,
                 user_id=user.id,

backend/tests/conftest.py

@@ -16,11 +16,12 @@ BACKEND_DIR = ROOT / "backend"
 if str(BACKEND_DIR) not in sys.path:
     sys.path.insert(0, str(BACKEND_DIR))
 
-os.environ.setdefault("SECRET_KEY", "test-secret-key")
-os.environ.setdefault("DATABASE_URL", "sqlite:///./test_bootstrap.db")
-os.environ.setdefault("HF_TOKEN", "test-hf-token")
-os.environ.setdefault("UPLOAD_DIR", str(ROOT / "backend" / "test_uploads"))
-os.environ.setdefault("CHROMA_PERSIST_DIR", str(ROOT / "backend" / "test_chroma"))
+os.environ["SECRET_KEY"] = "test-secret-key"
+os.environ["DATABASE_URL"] = "sqlite:///./test_bootstrap.db"
+os.environ["DEBUG"] = "false"
+os.environ["HF_TOKEN"] = "test-hf-token"
+os.environ["UPLOAD_DIR"] = str(ROOT / "backend" / "test_uploads")
+os.environ["CHROMA_PERSIST_DIR"] = str(ROOT / "backend" / "test_chroma")
 
 
 fake_embeddings = types.ModuleType("app.rag.embeddings")