test: 6 parallel agents — +40 test files across core, agent, translate, services, API routes, dataset_review. core 100%, agent 100%, services 100%, translate plugin mostly done. Pending: ~10 minor failures to fix

backend/tests/test_agent/test_app.py

@@ -351,4 +351,53 @@ class TestHealth:
         result = await health()
         assert result["status"] == "ok"
 # #endregion test_health
+
+
+# #region test_file_upload_parsing [C:2] [TYPE Function]
+# @BRIEF Test file upload branch — parse_upload called for valid small files.
+class TestFileUploadParsing:
+    @pytest.mark.asyncio
+    async def test_handler_parses_uploaded_file(self, mock_request, tmp_path):
+        """Valid small file triggers parse_upload and continues to stream."""
+        from src.agent.app import agent_handler
+        test_file = tmp_path / "test.txt"
+        test_file.write_text("upload content for analysis")
+
+        message = {"text": "analyze", "files": [str(test_file)]}
+
+        with patch('src.agent.app.create_agent') as mock_create, \
+             patch('src.agent.app.get_all_tools', return_value=[]), \
+             patch('src.agent.app._save_conversation', AsyncMock()), \
+             patch('src.agent.app.log_tool_event', AsyncMock()):
+            agent = _make_agent_mock([
+                {"event": "on_chat_model_stream", "data": {"chunk": MagicMock(content="result")}}
+            ])
+            mock_create.return_value = agent
+            results = [r async for r in agent_handler(message, [], mock_request, None, None)]
+            assert len(results) > 0
+            data = json.loads(results[0])
+            assert data["metadata"]["type"] == "stream_token"
+# #endregion test_file_upload_parsing
+
+
+# #region test_app_main_block [C:2] [TYPE Function]
+# @BRIEF Test if __name__ == '__main__' block in app.py.
+class TestAppMainBlock:
+    def test_app_main_block(self):
+        """if __name__ == '__main__' creates ChatInterface and launches."""
+        import importlib.util
+        from pathlib import Path
+
+        app_path = Path(__file__).parent.parent.parent / "src" / "agent" / "app.py"
+        spec = importlib.util.spec_from_file_location("__main__", str(app_path))
+
+        mock_demo = MagicMock()
+        with patch('gradio.ChatInterface') as mock_ci:
+            mock_ci.return_value = mock_demo
+
+            module = importlib.util.module_from_spec(spec)
+            spec.loader.exec_module(module)
+
+        mock_demo.launch.assert_called_once()
+# #endregion test_app_main_block
 # #endregion Test.AgentChat.GradioApp