fix(api): add trigger_info to WorkflowNodeExecutionMetadataKey (#33753)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/tests/unit_tests/core/workflow/nodes/trigger_plugin/test_trigger_event_node.py

@@ -0,0 +1,63 @@
+from collections.abc import Mapping
+
+from core.trigger.constants import TRIGGER_PLUGIN_NODE_TYPE
+from core.workflow.nodes.trigger_plugin.trigger_event_node import TriggerEventNode
+from dify_graph.entities import GraphInitParams
+from dify_graph.entities.graph_config import NodeConfigDict, NodeConfigDictAdapter
+from dify_graph.enums import WorkflowNodeExecutionMetadataKey, WorkflowNodeExecutionStatus
+from dify_graph.runtime import GraphRuntimeState, VariablePool
+from dify_graph.system_variable import SystemVariable
+from tests.workflow_test_utils import build_test_graph_init_params
+
+
+def _build_context(graph_config: Mapping[str, object]) -> tuple[GraphInitParams, GraphRuntimeState]:
+    init_params = build_test_graph_init_params(
+        graph_config=graph_config,
+        user_from="account",
+        invoke_from="debugger",
+    )
+    runtime_state = GraphRuntimeState(
+        variable_pool=VariablePool(
+            system_variables=SystemVariable(user_id="user", files=[]),
+            user_inputs={"payload": "value"},
+        ),
+        start_at=0.0,
+    )
+    return init_params, runtime_state
+
+
+def _build_node_config() -> NodeConfigDict:
+    return NodeConfigDictAdapter.validate_python(
+        {
+            "id": "node-1",
+            "data": {
+                "type": TRIGGER_PLUGIN_NODE_TYPE,
+                "title": "Trigger Event",
+                "plugin_id": "plugin-id",
+                "provider_id": "provider-id",
+                "event_name": "event-name",
+                "subscription_id": "subscription-id",
+                "plugin_unique_identifier": "plugin-unique-identifier",
+                "event_parameters": {},
+            },
+        }
+    )
+
+
+def test_trigger_event_node_run_populates_trigger_info_metadata() -> None:
+    init_params, runtime_state = _build_context(graph_config={})
+    node = TriggerEventNode(
+        id="node-1",
+        config=_build_node_config(),
+        graph_init_params=init_params,
+        graph_runtime_state=runtime_state,
+    )
+
+    result = node._run()
+
+    assert result.status == WorkflowNodeExecutionStatus.SUCCEEDED
+    assert result.metadata[WorkflowNodeExecutionMetadataKey.TRIGGER_INFO] == {
+        "provider_id": "provider-id",
+        "event_name": "event-name",
+        "plugin_unique_identifier": "plugin-unique-identifier",
+    }

api/tests/unit_tests/dify_graph/node_events/test_base.py

@@ -0,0 +1,19 @@
+from dify_graph.enums import WorkflowNodeExecutionMetadataKey, WorkflowNodeExecutionStatus
+from dify_graph.node_events.base import NodeRunResult
+
+
+def test_node_run_result_accepts_trigger_info_metadata() -> None:
+    result = NodeRunResult(
+        status=WorkflowNodeExecutionStatus.SUCCEEDED,
+        metadata={
+            WorkflowNodeExecutionMetadataKey.TRIGGER_INFO: {
+                "provider_id": "provider-id",
+                "event_name": "event-name",
+            }
+        },
+    )
+
+    assert result.metadata[WorkflowNodeExecutionMetadataKey.TRIGGER_INFO] == {
+        "provider_id": "provider-id",
+        "event_name": "event-name",
+    }