pineapple/fixtures/pipelines/field_mode_nullable_vs_defaulted.json at 9c640d4c842e3483f9797f9826a5e2d3b5909c76 · Liam0205/pineapple · GitHub

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{
  "name": "three field modes — strict vs nullable vs defaulted",
  "config": {
    "_PINEAPPLE_VERSION": "0.10.12",
    "pipeline_config": {
      "operators": {
        "write_nil": {
          "type_name": "transform_by_lua",
          "lua_script": "function f() return nil end",
          "function_for_common": "f",
          "function_for_item": "",
          "$metadata": {
            "common_input": [],
            "common_output": ["nullable_field", "strict_field", "defaulted_field"],
            "item_input": [],
            "item_output": []
          }
        },
        "read_nullable": {
          "type_name": "transform_by_lua",
          "lua_script": "function f()\n  if nullable_field == nil then\n    return 'was_nil'\n  else\n    return tostring(nullable_field)\n  end\nend",
          "function_for_common": "f",
          "function_for_item": "",
          "$metadata": {
            "common_input": ["nullable_field"],
            "common_output": ["nullable_result"],
            "item_input": [],
            "item_output": []
          }
        },
        "read_defaulted": {
          "type_name": "transform_by_lua",
          "lua_script": "function f()\n  return tostring(defaulted_field)\nend",
          "function_for_common": "f",
          "function_for_item": "",
          "common_defaults": {"defaulted_field": "fallback"},
          "$metadata": {
            "common_input": ["defaulted_field"],
            "common_output": ["defaulted_result"],
            "item_input": [],
            "item_output": []
          }
        },
        "size": {
          "type_name": "transform_size",
          "$metadata": {
            "common_input": [],
            "common_output": ["size"],
            "item_input": [],
            "item_output": []
          }
        }
      },
      "pipeline_map": {}
    },
    "pipeline_group": {
      "main": {
        "pipeline": ["write_nil", "read_nullable", "read_defaulted", "size"]
      }
    },
    "flow_contract": {
      "common_input": [],
      "common_output": ["nullable_result", "defaulted_result", "size"],
      "item_input": [],
      "item_output": []
    }
  },
  "cases": [
    {
      "name": "nullable passes nil through, defaulted substitutes fallback",
      "request": {
        "common": {},
        "items": [{"id": "a"}]
      },
      "expected": {
        "common": {"nullable_result": "was_nil", "defaulted_result": "fallback", "size": 1},
        "items": [{}]
      }
    }
  ]
}