| # 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 TestTake < Test::Unit::TestCase |
| include Helper::Buildable |
| include Helper::Omittable |
| |
| sub_test_case("Array") do |
| def test_no_null |
| indices = build_int16_array([1, 0, 2]) |
| assert_equal(build_int16_array([0, 1, 2]), |
| build_int16_array([1, 0 ,2]).take(indices)) |
| end |
| |
| def test_null |
| indices = build_int16_array([2, nil, 0]) |
| assert_equal(build_int16_array([2, nil, 1]), |
| build_int16_array([1, 0, 2]).take(indices)) |
| end |
| |
| def test_out_of_index |
| indices = build_int16_array([1, 2, 3]) |
| assert_raise(Arrow::Error::Index) do |
| build_int16_array([0, 1, 2]).take(indices) |
| end |
| end |
| |
| def test_chunked_array |
| taken_chunks = [ |
| build_int16_array([0, 1]), |
| build_int16_array([2]) |
| ] |
| taken_chunked_array = Arrow::ChunkedArray.new(taken_chunks) |
| indices_chunks = [ |
| build_int16_array([1, 0]), |
| build_int16_array([2]) |
| ] |
| indices = Arrow::ChunkedArray.new(indices_chunks) |
| assert_equal(taken_chunked_array, |
| build_int16_array([1, 0, 2]).take_chunked_array(indices)) |
| end |
| end |
| |
| sub_test_case("Table") do |
| def setup |
| fields = [ |
| Arrow::Field.new("field1", Arrow::Int16DataType.new), |
| Arrow::Field.new("field2", Arrow::Int16DataType.new) |
| ] |
| @schema = Arrow::Schema.new(fields) |
| arrays = [ |
| build_int16_array([0, 1, 2]), |
| build_int16_array([3, 5, 4]) |
| ] |
| @table = Arrow::Table.new(@schema, arrays) |
| end |
| |
| def test_no_null |
| arrays = [ |
| build_int16_array([1, 0, 2]), |
| build_int16_array([5, 3, 4]) |
| ] |
| taken_table = Arrow::Table.new(@schema, arrays) |
| indices = build_int16_array([1, 0, 2]) |
| assert_equal(taken_table, |
| @table.take(indices)) |
| end |
| |
| def test_null |
| arrays = [ |
| build_int16_array([2, nil, 0]), |
| build_int16_array([4, nil, 3]) |
| ] |
| taken_table = Arrow::Table.new(@schema, arrays) |
| indices = build_int16_array([2, nil, 0]) |
| assert_equal(taken_table, |
| @table.take(indices)) |
| end |
| |
| def test_out_of_index |
| indices = build_int16_array([1, 2, 3]) |
| assert_raise(Arrow::Error::Index) do |
| @table.take(indices) |
| end |
| end |
| |
| def test_chunked_array |
| arrays = [ |
| build_int16_array([1, 0, 2]), |
| build_int16_array([5, 3, 4]) |
| ] |
| taken_table = Arrow::Table.new(@schema, arrays) |
| chunks = [ |
| build_int16_array([1, 0]), |
| build_int16_array([2]) |
| ] |
| indices = Arrow::ChunkedArray.new(chunks) |
| assert_equal(taken_table, |
| @table.take_chunked_array(indices)) |
| end |
| end |
| |
| sub_test_case("ChunkedArray") do |
| def setup |
| chunks = [ |
| build_int16_array([1, 0]), |
| build_int16_array([2]), |
| ] |
| @chunked_array = Arrow::ChunkedArray.new(chunks) |
| end |
| |
| def test_no_null |
| chunks = [ |
| build_int16_array([0, 1]), |
| build_int16_array([2]) |
| ] |
| taken_chunked_array = Arrow::ChunkedArray.new(chunks) |
| indices = build_int16_array([1, 0, 2]) |
| assert_equal(taken_chunked_array, |
| @chunked_array.take(indices)) |
| end |
| |
| def test_null |
| chunks = [ |
| build_int16_array([2, nil]), |
| build_int16_array([1]) |
| ] |
| taken_chunked_array = Arrow::ChunkedArray.new(chunks) |
| indices = build_int16_array([2, nil, 0]) |
| assert_equal(taken_chunked_array, |
| @chunked_array.take(indices)) |
| end |
| |
| def test_out_of_index |
| indices = build_int16_array([1, 2, 3]) |
| assert_raise(Arrow::Error::Index) do |
| @chunked_array.take(indices) |
| end |
| end |
| |
| def test_chunked_array |
| taken_chunks = [ |
| build_int16_array([0, 1]), |
| build_int16_array([2]) |
| ] |
| taken_chunked_array = Arrow::ChunkedArray.new(taken_chunks) |
| indices_chunks = [ |
| build_int16_array([1, 0]), |
| build_int16_array([2]) |
| ] |
| indices = Arrow::ChunkedArray.new(indices_chunks) |
| assert_equal(taken_chunked_array, |
| @chunked_array.take_chunked_array(indices)) |
| end |
| end |
| |
| sub_test_case("RecordBatch") do |
| def setup |
| fields = [ |
| Arrow::Field.new("field1", Arrow::Int16DataType.new), |
| Arrow::Field.new("field2", Arrow::Int16DataType.new) |
| ] |
| @schema = Arrow::Schema.new(fields) |
| columns = [ |
| build_int16_array([1, 0, 2]), |
| build_int16_array([3, 5, 4]) |
| ] |
| @record_batch = Arrow::RecordBatch.new(@schema, 3, columns) |
| end |
| |
| def test_no_null |
| columns = [ |
| build_int16_array([0, 1, 2]), |
| build_int16_array([5, 3, 4]) |
| ] |
| taken_record_batch = Arrow::RecordBatch.new(@schema, 3, columns) |
| indices = build_int16_array([1, 0, 2]) |
| assert_equal(taken_record_batch, |
| @record_batch.take(indices)) |
| end |
| |
| def test_null |
| columns = [ |
| build_int16_array([2, nil, 1]), |
| build_int16_array([4, nil, 3]) |
| ] |
| taken_record_batch = Arrow::RecordBatch.new(@schema, 3, columns) |
| indices = build_int16_array([2, nil, 0]) |
| assert_equal(taken_record_batch, |
| @record_batch.take(indices)) |
| end |
| |
| def test_out_of_index |
| indices = build_int16_array([1, 2, 3]) |
| assert_raise(Arrow::Error::Index) do |
| @record_batch.take(indices) |
| end |
| end |
| end |
| end |