| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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 TestSortIndices < Test::Unit::TestCase |
| include Helper::Buildable |
| |
| def test_array |
| array = build_int16_array([nil, 1, 0, nil, 4, 3]) |
| assert_equal(build_uint64_array([2, 1, 5, 4, 0, 3]), |
| array.sort_indices(:ascending)) |
| end |
| |
| def test_chunked_array |
| arrays = [ |
| build_int16_array([1]), |
| build_int16_array([0, 4, -3]), |
| ] |
| chunked_array = Arrow::ChunkedArray.new(arrays) |
| assert_equal(build_uint64_array([3, 1, 0, 2]), |
| chunked_array.sort_indices(:ascending)) |
| end |
| |
| def test_record_batch |
| columns = { |
| column1: build_int16_array([ 1, 0, 4, 4, -3, 1]), |
| column2: build_string_array(["a", "a", "b", "c", "d", "a"]), |
| } |
| record_batch = build_record_batch(columns) |
| sort_keys = [ |
| Arrow::SortKey.new("column1", :ascending), |
| Arrow::SortKey.new("column2", :descending), |
| ] |
| options = Arrow::SortOptions.new(sort_keys) |
| assert_equal(build_uint64_array([4, 1, 0, 5, 3, 2]), |
| record_batch.sort_indices(options)) |
| end |
| |
| def test_table |
| raw_array1 = [ 1, 0, 4, 4, -3, 1] |
| raw_array2 = ["a", "a", "b", "c", "d", "a"] |
| columns = { |
| column1: Arrow::ChunkedArray.new([build_int16_array(raw_array1[0...1]), |
| build_int16_array(raw_array1[1...3]), |
| build_int16_array(raw_array1[3..-1])]), |
| column2: Arrow::ChunkedArray.new([build_string_array(raw_array2[0...2]), |
| build_string_array(raw_array2[2..-1])]), |
| } |
| table = build_table(columns) |
| options = Arrow::SortOptions.new |
| options.add_sort_key(Arrow::SortKey.new("column1", :ascending)) |
| options.add_sort_key(Arrow::SortKey.new("column2", :descending)) |
| assert_equal(build_uint64_array([4, 1, 0, 5, 3, 2]), |
| table.sort_indices(options)) |
| end |
| end |