fix: cannot delete workflow version if other version is published as a tool (#18486)

Signed-off-by: -LAN- <laipz8200@outlook.com>

api/tests/unit_tests/services/workflow/test_workflow_deletion.py

@@ -40,6 +40,10 @@ def workflow_setup():
 
 def test_delete_workflow_success(workflow_setup):
     # Setup mocks
+
+    # Mock the tool provider query to return None (not published as a tool)
+    workflow_setup["session"].query.return_value.filter.return_value.first.return_value = None
+
     workflow_setup["session"].scalar = MagicMock(
         side_effect=[workflow_setup["workflow"], None]
     )  # Return workflow first, then None for app
@@ -97,7 +101,12 @@ def test_delete_workflow_in_use_by_app_error(workflow_setup):
 
 def test_delete_workflow_published_as_tool_error(workflow_setup):
     # Setup mocks
-    workflow_setup["workflow"].tool_published = True
+    from models.tools import WorkflowToolProvider
+
+    # Mock the tool provider query
+    mock_tool_provider = MagicMock(spec=WorkflowToolProvider)
+    workflow_setup["session"].query.return_value.filter.return_value.first.return_value = mock_tool_provider
+
     workflow_setup["session"].scalar = MagicMock(
         side_effect=[workflow_setup["workflow"], None]
     )  # Return workflow first, then None for app