Added more test coverage

tests/test_api/test_trace_paths.py

@@ -1,5 +1,7 @@
 """Tests for trace path API routes."""
 
+from datetime import datetime, timedelta, timezone
+
 
 class TestListTracePaths:
     """Tests for GET /trace-paths endpoint."""
@@ -37,3 +39,70 @@ class TestGetTracePath:
         """Test getting a non-existent trace path."""
         response = client_no_auth.get("/api/v1/trace-paths/nonexistent-id")
         assert response.status_code == 404
+
+
+class TestListTracePathsFilters:
+    """Tests for trace path list query filters."""
+
+    def test_filter_by_received_by(
+        self,
+        client_no_auth,
+        sample_trace_path,
+        sample_trace_path_with_receiver,
+        receiver_node,
+    ):
+        """Test filtering trace paths by receiver node."""
+        response = client_no_auth.get(
+            f"/api/v1/trace-paths?received_by={receiver_node.public_key}"
+        )
+        assert response.status_code == 200
+        data = response.json()
+        assert len(data["items"]) == 1
+
+    def test_filter_by_since(self, client_no_auth, api_db_session):
+        """Test filtering trace paths by since timestamp."""
+        from meshcore_hub.common.models import TracePath
+
+        now = datetime.now(timezone.utc)
+        old_time = now - timedelta(days=7)
+
+        # Create old trace path
+        old_trace = TracePath(
+            initiator_tag=11111,
+            path_hashes=["old1", "old2"],
+            hop_count=2,
+            received_at=old_time,
+        )
+        api_db_session.add(old_trace)
+        api_db_session.commit()
+
+        # Filter since yesterday - should not include old trace path
+        since = (now - timedelta(days=1)).strftime("%Y-%m-%dT%H:%M:%S")
+        response = client_no_auth.get(f"/api/v1/trace-paths?since={since}")
+        assert response.status_code == 200
+        data = response.json()
+        assert len(data["items"]) == 0
+
+    def test_filter_by_until(self, client_no_auth, api_db_session):
+        """Test filtering trace paths by until timestamp."""
+        from meshcore_hub.common.models import TracePath
+
+        now = datetime.now(timezone.utc)
+        old_time = now - timedelta(days=7)
+
+        # Create old trace path
+        old_trace = TracePath(
+            initiator_tag=22222,
+            path_hashes=["until1", "until2"],
+            hop_count=2,
+            received_at=old_time,
+        )
+        api_db_session.add(old_trace)
+        api_db_session.commit()
+
+        # Filter until 5 days ago - should include old trace path
+        until = (now - timedelta(days=5)).strftime("%Y-%m-%dT%H:%M:%S")
+        response = client_no_auth.get(f"/api/v1/trace-paths?until={until}")
+        assert response.status_code == 200
+        data = response.json()
+        assert len(data["items"]) == 1