class: GalaxyWorkflow doc: | Test that an omitted optional text parameter connected to an expression tool (text→boolean conversion, like map_param_value) produces false, allowing conditional (when) steps to be correctly skipped. Regression test for https://github.com/galaxyproject/iwc/pull/1128 inputs: required_input: type: data optional_text: type: text optional: true outputs: out: outputSource: cat/out_file1 steps: text_to_bool: tool_id: expression_text_to_bool in: text_input: source: optional_text cat: tool_id: cat in: input1: source: required_input when: source: text_to_bool/bool_out when: $(inputs.when)