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require_relative '../spec_helper'
require_relative '../fixtures/classes'
describe 'Socket.udp_server_loop' do
describe 'when no connections are available' do
it 'blocks the caller' do
-> { Socket.udp_server_loop('127.0.0.1', 0) }.should block_caller
end
end
describe 'when a connection is available' do
before do
@client = Socket.new(:INET, :DGRAM)
SocketSpecs::ServerLoopPortFinder.cleanup
end
after do
@client.close
end
it 'yields the message and a Socket::UDPSource' do
msg, src = nil
Thread.new do
SocketSpecs::ServerLoopPortFinder.udp_server_loop('127.0.0.1', 0) do |message, source|
msg = message
src = source
break
end
end
port = SocketSpecs::ServerLoopPortFinder.port
# Because this will return even if the server is up and running (it's UDP
# after all) we'll have to write and wait until "msg" is set.
@client.connect(Socket.sockaddr_in(port, '127.0.0.1'))
SocketSpecs.loop_with_timeout do
begin
@client.write('hello')
rescue SystemCallError
sleep 0.01
:retry
else
unless msg
sleep 0.001
:retry
end
end
end
msg.should == 'hello'
src.should be_an_instance_of(Socket::UDPSource)
end
end
end
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