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# 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?
omit("Unstable on x86_64 macOS") if /x86_64-darwin/.match?(RUBY_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
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