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device_spec.rb
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device_spec.rb
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require File.join(File.dirname(__FILE__), %w[spec_helper])
module ZMQ
describe Device do
include APIHelper
def create_streamer
@back_addr = "tcp://127.0.0.1:#{random_port}"
@front_addr = "tcp://127.0.0.1:#{random_port}"
Thread.new do
back = SPEC_CTX.socket(ZMQ::PULL)
back.bind(@back_addr)
front = SPEC_CTX.socket(ZMQ::PUSH)
front.bind(@front_addr)
Device.new(ZMQ::STREAMER, back, front)
end
end
it "should create a streamer device without error given valid opts" do
create_streamer
end
it "should be able to send messages through the device" do
create_streamer
pusher = SPEC_CTX.socket(ZMQ::PUSH)
pusher.connect(@back_addr)
puller = SPEC_CTX.socket(ZMQ::PULL)
puller.connect(@front_addr)
pusher.send_string("hello")
sleep 0.5
res = puller.recv_string(ZMQ::NOBLOCK)
res.should == "hello"
end
it "should raise an ArgumentError when trying to pass non-socket objects into the device" do
lambda {
Device.new(ZMQ::STREAMER, 1,2)
}.should raise_exception(ArgumentError)
end
it "should be able to create a forwarder device without error" do
back_addr = "tcp://127.0.0.1:#{random_port}"
front_addr = "tcp://127.0.0.1:#{random_port}"
Thread.new do
back = SPEC_CTX.socket(ZMQ::SUB)
back.bind(back_addr)
front = SPEC_CTX.socket(ZMQ::PUB)
front.bind(front_addr)
Device.new(ZMQ::FORWARDER, back, front)
end
end
it "should be able to create a queue device without error" do
back_addr = "tcp://127.0.0.1:#{random_port}"
front_addr = "tcp://127.0.0.1:#{random_port}"
Thread.new do
back = SPEC_CTX.socket(ZMQ::XREP)
back.bind(back_addr)
front = SPEC_CTX.socket(ZMQ::XREQ)
front.bind(front_addr)
Device.new(ZMQ::QUEUE, back, front)
end
end
end
end