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require_relative '../spec_helper'
require_relative '../fixtures/classes'
describe 'UDPSocket#recvfrom_nonblock' do
SocketSpecs.each_ip_protocol do |family, ip_address, family_name|
before do
@server = UDPSocket.new(family)
@client = UDPSocket.new(family)
end
after do
@client.close
@server.close
end
platform_is_not :windows do
describe 'using an unbound socket' do
it 'raises IO::WaitReadable' do
-> { @server.recvfrom_nonblock(1) }.should raise_error(IO::WaitReadable)
end
end
end
describe 'using a bound socket' do
before do
@server.bind(ip_address, 0)
addr = @server.connect_address
@client.connect(addr.ip_address, addr.ip_port)
end
describe 'without any data available' do
it 'raises IO::WaitReadable' do
-> { @server.recvfrom_nonblock(1) }.should raise_error(IO::WaitReadable)
end
it 'returns :wait_readable with exception: false' do
@server.recvfrom_nonblock(1, exception: false).should == :wait_readable
end
end
platform_is_not :windows do
describe 'with data available' do
before do
@client.write('hello')
end
it 'returns an Array containing the data and an Array' do
IO.select([@server])
@server.recvfrom_nonblock(1).should be_an_instance_of(Array)
end
it 'writes the data to the buffer when one is present' do
buffer = "".b
IO.select([@server])
@server.recvfrom_nonblock(1, 0, buffer)
buffer.should == 'h'
end
describe 'the returned Array' do
before do
IO.select([@server])
@array = @server.recvfrom_nonblock(1)
end
it 'contains the data at index 0' do
@array[0].should == 'h'
end
it 'contains an Array at index 1' do
@array[1].should be_an_instance_of(Array)
end
end
describe 'the returned address Array' do
before do
IO.select([@server])
@addr = @server.recvfrom_nonblock(1)[1]
end
it 'uses the correct address family' do
@addr[0].should == family_name
end
it 'uses the port of the client' do
@addr[1].should == @client.local_address.ip_port
end
it 'uses the hostname of the client' do
@addr[2].should == ip_address
end
it 'uses the IP address of the client' do
@addr[3].should == ip_address
end
end
end
end
end
end
end
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