Class MapArrayBuilderTest

ruby/red-arrow/test/test-map-array-builder.rb:18–110

# under the License.

class MapArrayBuilderTest < Test::Unit::TestCase
  def setup
    key_type = Arrow::StringDataType.new
    item_type = Arrow::Int16DataType.new
    data_type = Arrow::MapDataType.new(key_type, item_type)
    @builder = Arrow::MapArrayBuilder.new(data_type)
  end

  sub_test_case("#append_value") do
    test("nil") do
      @builder.append_value(nil)
      array = @builder.finish
      assert_equal([nil], array.collect {|value| value})
    end

    test("Hash") do
      @builder.append_value({"a" => 0, "b" => 1})
      @builder.append_value({"c" => 0, "d" => 1})
      array = @builder.finish
      assert_equal([
                     {"a" => 0, "b" => 1},
                     {"c" => 0, "d" => 1}
                   ],
                   array.collect {|value| value})
    end

    test("#each") do
      @builder.append_value([["a", 0], ["b", 1]])
      @builder.append_value([["c", 0], ["d", 1]])
      array = @builder.finish
      assert_equal([
                     {"a" => 0, "b" => 1},
                     {"c" => 0, "d" => 1}
                   ],
                   array.collect {|value| value})
    end
  end

  sub_test_case("#append_values") do
    test("[nil]") do
      @builder.append_values([nil])
      array = @builder.finish
      assert_equal([nil], array.collect {|value| value})
    end

    test("[Hash]") do
      @builder.append_values([{"a" => 0, "b" => 1}, {"c" => 0, "d" => 1}])
      array = @builder.finish
      assert_equal([
                     {"a" => 0, "b" => 1},
                     {"c" => 0, "d" => 1}
                   ],
                   array.collect {|value| value})
    end

    test("[#each]") do
      @builder.append_values([[["a", 0], ["b", 1]], [["c", 0], ["d", 1]]])
      array = @builder.finish