perf(workflow): add tests, adapt some LLM node output formats, optimize sandbox return format

api/tests/workflow/nodes/test_end_node.py

@@ -0,0 +1,42 @@
+# -*- coding: UTF-8 -*-
+# Author: Eternity
+# @Email: 1533512157@qq.com
+# @Time : 2026/2/6 12:22
+import pytest
+
+from app.core.workflow.nodes import EndNode
+from app.core.workflow.variable.base_variable import VariableType
+from tests.workflow.nodes.base import simple_state, simple_vairable_pool
+
+
+@pytest.mark.asyncio
+async def test_end_output():
+    node_config = {
+        "id": "end_test",
+        "type": "end",
+        "name": "end",
+        "config": {
+            "output": "{{conv.x}}{{sys.message}}"
+        }
+    }
+    state = simple_state()
+    variable_pool = await simple_vairable_pool("test")
+    await variable_pool.new("conv", "x", 1, VariableType.NUMBER, mut=True)
+    result = await EndNode(node_config, {}).execute(state, variable_pool)
+    assert result == "1test"
+
+
+@pytest.mark.asyncio
+async def test_end_output_miss():
+    node_config = {
+        "id": "end_test",
+        "type": "end",
+        "name": "end",
+        "config": {
+            "output": "{{conv.x}}{{sys.message}}"
+        }
+    }
+    state = simple_state()
+    variable_pool = await simple_vairable_pool("test")
+    result = await EndNode(node_config, {}).execute(state, variable_pool)
+    assert result == "test"