# Copyright 2017 Kouhei Sutou <kou@clear-code.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

class ChunkedArrayTest < Test::Unit::TestCase
  test("#each") do
    arrays = [
      Arrow::BooleanArray.new([true, false]),
      Arrow::BooleanArray.new([nil, true]),
    ]
    chunked_array = Arrow::ChunkedArray.new(arrays)
    assert_equal([true, false, nil, true],
                 chunked_array.to_a)
  end

  sub_test_case("#pack") do
    test("basic array") do
      arrays = [
        Arrow::BooleanArray.new([true, false]),
        Arrow::BooleanArray.new([nil, true]),
      ]
      chunked_array = Arrow::ChunkedArray.new(arrays)
      packed_chunked_array = chunked_array.pack
      assert_equal([
                     Arrow::BooleanArray,
                     [true, false, nil, true],
                   ],
                   [
                     packed_chunked_array.class,
                     packed_chunked_array.to_a,
                   ])
    end

    test("TimestampArray") do
      type = Arrow::TimestampDataType.new(:nano)
      arrays = [
        Arrow::TimestampArrayBuilder.new(type).build([Time.at(0)]),
        Arrow::TimestampArrayBuilder.new(type).build([Time.at(1)]),
      ]
      chunked_array = Arrow::ChunkedArray.new(arrays)
      packed_chunked_array = chunked_array.pack
      assert_equal([
                     Arrow::TimestampArray,
                     [Time.at(0), Time.at(1)],
                   ],
                   [
                     packed_chunked_array.class,
                     packed_chunked_array.to_a,
                   ])
    end
  end
end