class: GalaxyWorkflow
doc: |
  Test that omitting an optional parameter_input from an invocation does not
  leak NO_REPLACEMENT sentinel into runtime replacements used in post-job
  actions (e.g. output renames).
  Regression test for https://github.com/galaxyproject/galaxy/issues/21947
inputs:
  required_input:
    type: data
  optional_text:
    type: text
    optional: true
outputs:
  out:
    outputSource: cat/out_file1
steps:
  cat:
    tool_id: cat
    in:
      input1:
        source: required_input
    outputs:
      out_file1:
        rename: "prefix_${optional_text}_suffix"