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Diffstat (limited to '')
-rw-r--r-- | src/arrow/ruby/red-parquet/test/test-arrow-table.rb | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/arrow/ruby/red-parquet/test/test-arrow-table.rb b/src/arrow/ruby/red-parquet/test/test-arrow-table.rb new file mode 100644 index 000000000..1ea2669e3 --- /dev/null +++ b/src/arrow/ruby/red-parquet/test/test-arrow-table.rb @@ -0,0 +1,99 @@ +# 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 TestArrowTable < Test::Unit::TestCase + def setup + @count_field = Arrow::Field.new("count", :uint8) + @visible_field = Arrow::Field.new("visible", :boolean) + @label_field = Arrow::Field.new("label", :string) + schema = Arrow::Schema.new([@count_field, @visible_field, @label_field]) + count_arrays = [ + Arrow::UInt8Array.new([1, 2]), + Arrow::UInt8Array.new([4, 8, 16]), + Arrow::UInt8Array.new([32, 64]), + Arrow::UInt8Array.new([128]), + ] + visible_arrays = [ + Arrow::BooleanArray.new([true, false, nil]), + Arrow::BooleanArray.new([true]), + Arrow::BooleanArray.new([true, false]), + Arrow::BooleanArray.new([nil]), + Arrow::BooleanArray.new([nil]), + ] + label_arrays = [ + Arrow::StringArray.new(["a"]), + Arrow::StringArray.new(["b", "c"]), + Arrow::StringArray.new(["d", nil, nil]), + Arrow::StringArray.new(["e", "f"]), + ] + @count_array = Arrow::ChunkedArray.new(count_arrays) + @visible_array = Arrow::ChunkedArray.new(visible_arrays) + @label_array = Arrow::ChunkedArray.new(label_arrays) + @table = Arrow::Table.new(schema, + [@count_array, @visible_array, @label_array]) + + @output = Tempfile.open(["red-parquet", ".parquet"]) + begin + yield(@output) + ensure + @output.close! + end + end + + def test_save_load_path + @table.save(@output.path) + assert do + @table.equal_metadata(Arrow::Table.load(@output.path), false) + end + end + + def test_save_load_buffer + buffer = Arrow::ResizableBuffer.new(1024) + @table.save(buffer, format: :parquet) + assert do + @table.equal_metadata(Arrow::Table.load(buffer, format: :parquet), false) + end + end + + def test_save_load_compression + @table.save(@output.path, compression: :zstd) + assert do + @table.equal_metadata(Arrow::Table.load(@output.path), false) + end + end + + def test_save_load_compression_path + @table.save(@output.path, compression: {"count" => :zstd}) + assert do + @table.equal_metadata(Arrow::Table.load(@output.path), false) + end + end + + def test_save_load_dictionary + @table.save(@output.path, dictionary: false) + assert do + @table.equal_metadata(Arrow::Table.load(@output.path), false) + end + end + + def test_save_load_dictionary_path + @table.save(@output.path, dictionary: [["label", false]]) + assert do + @table.equal_metadata(Arrow::Table.load(@output.path), false) + end + end +end |