| # 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 TestFeatherFileReader < Test::Unit::TestCase |
| include Helper::Buildable |
| |
| def setup_file(data) |
| tempfile = Tempfile.open("arrow-feather-file-reader") |
| output = Arrow::FileOutputStream.new(tempfile.path, false) |
| begin |
| writer = Arrow::FeatherFileWriter.new(output) |
| begin |
| if data[:description] |
| writer.description = data[:description] |
| end |
| writer.n_rows = data[:n_rows] || 0 |
| if data[:columns] |
| data[:columns].each do |name, array| |
| writer.append(name, array) |
| end |
| end |
| ensure |
| writer.close |
| end |
| ensure |
| output.close |
| end |
| |
| input = Arrow::MemoryMappedInputStream.new(tempfile.path) |
| begin |
| reader = Arrow::FeatherFileReader.new(input) |
| yield(reader) |
| ensure |
| input.close |
| end |
| end |
| |
| sub_test_case("#description") do |
| test("exist") do |
| setup_file(:description => "Log") do |reader| |
| assert_equal("Log", reader.description) |
| end |
| end |
| |
| test("not exist") do |
| setup_file(:description => nil) do |reader| |
| assert_nil(reader.description) |
| end |
| end |
| end |
| |
| sub_test_case("#has_description?") do |
| test("exist") do |
| setup_file(:description => "Log") do |reader| |
| assert do |
| reader.has_description? |
| end |
| end |
| end |
| |
| test("not exist") do |
| setup_file(:description => nil) do |reader| |
| assert do |
| not reader.has_description? |
| end |
| end |
| end |
| end |
| |
| test("#version") do |
| setup_file({}) do |reader| |
| assert do |
| reader.version >= 2 |
| end |
| end |
| end |
| |
| test("#n_rows") do |
| setup_file(:n_rows => 3) do |reader| |
| assert_equal(3, reader.n_rows) |
| end |
| end |
| |
| test("#n_columns") do |
| columns = { |
| "messages" => build_string_array([]), |
| "is_critical" => build_boolean_array([]), |
| } |
| setup_file(:columns => columns) do |reader| |
| assert_equal(2, reader.n_columns) |
| end |
| end |
| |
| test("#get_column_name") do |
| columns = { |
| "messages" => build_string_array([]), |
| "is_critical" => build_boolean_array([]), |
| } |
| setup_file(:columns => columns) do |reader| |
| assert_equal([ |
| "messages", |
| "is_critical", |
| ], |
| [ |
| reader.get_column_name(0), |
| reader.get_column_name(1), |
| ]) |
| end |
| end |
| |
| test("#get_column") do |
| columns = { |
| "messages" => build_string_array([]), |
| "is_critical" => build_boolean_array([]), |
| } |
| setup_file(:columns => columns) do |reader| |
| assert_equal([ |
| "messages", |
| "is_critical", |
| ], |
| [ |
| reader.get_column(0).name, |
| reader.get_column(1).name, |
| ]) |
| end |
| end |
| |
| test("#columns") do |
| columns = { |
| "messages" => build_string_array([]), |
| "is_critical" => build_boolean_array([]), |
| } |
| setup_file(:columns => columns) do |reader| |
| assert_equal([ |
| "messages", |
| "is_critical", |
| ], |
| reader.columns.collect(&:name)) |
| end |
| end |
| end |