ruby/red-arrow/test/test-list-data-type.rb

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class ListDataTypeTest < Test::Unit::TestCase
  sub_test_case(".new") do
    test("Arrow::Field") do
      field = Arrow::Field.new(:tag, :string)
      assert_equal("list<tag: string>",
                   Arrow::ListDataType.new(field).to_s)
    end

    test("name: String") do
      assert_equal("list<tag: string>",
                   Arrow::ListDataType.new(name: "tag", type: :string).to_s)
    end

    test("field: Arrow::Field") do
      field = Arrow::Field.new(:tag, :string)
      assert_equal("list<tag: string>",
                   Arrow::ListDataType.new(field: field).to_s)
    end

    test("field: Hash") do
      field_description = {name: "tag", type: :string}
      assert_equal("list<tag: string>",
                   Arrow::ListDataType.new(field: field_description).to_s)
    end

    test("Arrow::DataType") do
      data_type = Arrow::BooleanDataType.new
      assert_equal("list<item: bool>",
                   Arrow::ListDataType.new(data_type).to_s)
    end

    test("String") do
      assert_equal("list<item: bool>",
                   Arrow::ListDataType.new("boolean").to_s)
    end

    test("Symbol") do
      assert_equal("list<item: bool>",
                   Arrow::ListDataType.new(:boolean).to_s)
    end

    test("[data type name, additional information]") do
      assert_equal("list<item: time32[ms]>",
                   Arrow::ListDataType.new([:time32, :milli]).to_s)
    end

    test("type: Symbol") do
      assert_equal("list<item: bool>",
                   Arrow::ListDataType.new(type: :boolean).to_s)
    end
  end
end