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require 'chef_zero/socketless_server_map'
describe "Socketless Mode" do
let(:server_map) { ChefZero::SocketlessServerMap.instance.tap { |i| i.reset! } }
let(:server) { instance_double("ChefZero::Server") }
let(:second_server) { instance_double("ChefZero::Server") }
it "registers a socketful server" do
server_map.register_port(8889, server)
expect(server_map).to have_server_on_port(8889)
end
context "when a no-listen server is registered" do
let!(:port) { server_map.register_no_listen_server(server) }
it "assigns the server a low port number" do
expect(port).to eq(1)
end
context "and another server is registered" do
let!(:next_port) { server_map.register_no_listen_server(second_server) }
it "assigns another port when another server is registered" do
expect(next_port).to eq(2)
end
it "raises NoSocketlessPortAvailable when too many servers are registered" do
expect { 1000.times { server_map.register_no_listen_server(server) } }.to raise_error(ChefZero::NoSocketlessPortAvailable)
end
it "deregisters a server" do
expect(server_map).to have_server_on_port(1)
server_map.deregister(1)
expect(server_map).to_not have_server_on_port(1)
end
describe "routing requests to a server" do
let(:rack_req) do
r = {}
r["REQUEST_METHOD"] = "GET"
r["SCRIPT_NAME"] = ""
r["PATH_INFO"] = "/clients"
r["QUERY_STRING"] = ""
r["rack.input"] = StringIO.new("")
r
end
let(:rack_response) { [200, {}, ["this is the response body"] ] }
it "routes a request to the registered port" do
expect(server).to receive(:handle_socketless_request).with(rack_req).and_return(rack_response)
response = server_map.request(1, rack_req)
expect(response).to eq(rack_response)
end
it "raises ServerNotFound when a request is sent to an unregistered port" do
expect { server_map.request(99, rack_req) }.to raise_error(ChefZero::ServerNotFound)
end
end
end
end
end
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