| # 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 TestFlightStreamReader < Test::Unit::TestCase |
| include Helper::Omittable |
| |
| def setup |
| @server = nil |
| omit("Arrow Flight is required") unless defined?(ArrowFlight) |
| omit("Unstable on Windows") if Gem.win_platform? |
| require_gi_bindings(3, 4, 5) |
| @server = Helper::FlightServer.new |
| host = "127.0.0.1" |
| location = ArrowFlight::Location.new("grpc://#{host}:0") |
| options = ArrowFlight::ServerOptions.new(location) |
| @server.listen(options) |
| location = ArrowFlight::Location.new("grpc://#{host}:#{@server.port}") |
| client = ArrowFlight::Client.new(location) |
| @generator = Helper::FlightInfoGenerator.new |
| @reader = client.do_get(@generator.page_view_ticket) |
| end |
| |
| def teardown |
| return if @server.nil? |
| @server.shutdown |
| end |
| |
| def test_read_next |
| chunks = [] |
| loop do |
| chunk = @reader.read_next |
| break if chunk.nil? |
| chunks << chunk |
| end |
| chunks_content = chunks.collect do |chunk| |
| [ |
| chunk.data, |
| chunk.metadata&.data&.to_s, |
| ] |
| end |
| table_batch_reader = Arrow::TableBatchReader.new(@generator.page_view_table) |
| assert_equal([ |
| [ |
| table_batch_reader.read_next, |
| nil, |
| ], |
| ], |
| chunks_content) |
| end |
| |
| def test_read_all |
| assert_equal(@generator.page_view_table, |
| @reader.read_all) |
| end |
| end |