/
client_spec.rb
249 lines (195 loc) · 5.62 KB
/
client_spec.rb
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# encoding=utf-8
require "spec_helper"
require "socket"
IS_JRUBY = (defined?(RUBY_ENGINE) && RUBY_ENGINE == 'jruby')
WebSocketSteps = RSpec::EM.async_steps do
def server(port, backend, secure, &callback)
@echo_server = EchoServer.new
@echo_server.listen(port, backend, secure)
EM.add_timer(0.1, &callback)
end
def stop(&callback)
@echo_server.stop
EM.next_tick(&callback)
end
def proxy(port, &callback)
@proxy_server = ProxyServer.new
@proxy_server.listen(port)
EM.add_timer(0.1, &callback)
end
def stop_proxy(&callback)
@proxy_server.stop
EM.next_tick(&callback)
end
def open_socket(url, protocols, &callback)
done = false
resume = lambda do |open|
unless done
done = true
@open = open
callback.call
end
end
@ws = Faye::WebSocket::Client.new(url, protocols, :proxy => { :origin => proxy_url }, :tls => tls_options)
@ws.on(:open) { |e| resume.call(true) }
@ws.onclose = lambda { |e| resume.call(false) }
end
def open_socket_and_close_it_fast(url, protocols, &callback)
@ws = Faye::WebSocket::Client.new(url, protocols, :tls => tls_options)
@ws.on(:open) { |e| @open = @ever_opened = true }
@ws.onclose = lambda { |e| @open = false }
@ws.close
callback.call
end
def close_socket(&callback)
@ws.onclose = lambda do |e|
@open = false
callback.call
end
@ws.close
end
def check_open(status, headers, &callback)
expect(@open).to be(true)
expect(@ws.status).to eq(status)
headers.each do |name, value|
expect(@ws.headers[name]).to eq(value)
end
callback.call
end
def check_closed(&callback)
expect(@open).to be(false)
callback.call
end
def check_never_opened(&callback)
expect(!!@ever_opened).to be(false)
callback.call
end
def check_protocol(protocol, &callback)
expect(@ws.protocol).to eq(protocol)
callback.call
end
def listen_for_message(&callback)
@ws.add_event_listener('message', lambda { |e| @message = e.data })
start = Time.now
timer = EM.add_periodic_timer 0.1 do
if @message or Time.now.to_i - start.to_i > 5
EM.cancel_timer(timer)
callback.call
end
end
end
def send_message(message, &callback)
EM.add_timer(0.5) { @ws.send(message) }
EM.next_tick(&callback)
end
def check_response(message, &callback)
expect(@message).to eq(message)
callback.call
end
def check_no_response(&callback)
expect(@message).to eq(nil)
callback.call
end
def wait(seconds, &callback)
EM.add_timer(seconds, &callback)
end
end
describe Faye::WebSocket::Client do
include WebSocketSteps
let(:protocols) { ["foo", "echo"] }
let(:localhost) { "localhost" }
let(:port) { 4180 }
let(:plain_text_url) { "ws://#{ localhost }:#{ port }/" }
let(:wrong_url) { "ws://#{ localhost }:9999/" }
let(:secure_url) { "wss://#{ localhost }:#{ port }/" }
let :tls_options do
{ :root_cert_file => File.expand_path('../../../server.crt', __FILE__) }
end
shared_examples_for "socket client" do
before do
@ever_opened = @message = nil
end
it "can open a connection" do
open_socket(socket_url, protocols)
check_open(101, { "Upgrade" => "websocket" })
check_protocol("echo")
end
it "cannot open a connection to the wrong host" do
open_socket(blocked_url, protocols)
check_closed
end
it "can close the connection" do
open_socket(socket_url, protocols)
close_socket
check_closed
end
describe "in the OPEN state" do
before { open_socket(socket_url, protocols) }
it "can send and receive messages" do
send_message "I expect this to be echoed"
listen_for_message
check_response "I expect this to be echoed"
end
it "sends numbers as strings" do
send_message 13
listen_for_message
check_response "13"
end
end
describe "in the CLOSED state" do
before do
open_socket(socket_url, protocols)
close_socket
end
it "cannot send and receive messages" do
send_message "I expect this to be echoed"
listen_for_message
check_no_response
end
end
it "can be closed before connecting" do
open_socket_and_close_it_fast(socket_url, protocols)
wait 0.01
check_closed
check_never_opened
end
end
shared_examples_for "socket server" do
describe "with a Puma server" do
let(:localhost) { "0.0.0.0" }
let(:socket_url) { plain_text_url }
let(:blocked_url) { wrong_url }
before { server port, :puma, false }
after { stop }
it_should_behave_like "socket client"
end
describe "with a plain-text Thin server" do
next if IS_JRUBY
let(:socket_url) { plain_text_url }
let(:blocked_url) { secure_url }
before { server port, :thin, false }
after { stop }
it_should_behave_like "socket client"
end
describe "with a secure Thin server" do
next # if IS_JRUBY
let(:socket_url) { secure_url }
let(:blocked_url) { plain_text_url }
before { server port, :thin, true }
after { stop }
it_should_behave_like "socket client"
end
end
describe "with no proxy" do
let(:proxy_url) { nil }
it_should_behave_like "socket server"
end
describe "with a proxy" do
let(:proxy_port) { 4181 }
let(:proxy_url) { "http://localhost:#{ proxy_port }" }
next if IS_JRUBY
before { proxy proxy_port }
after { stop_proxy }
it_should_behave_like "socket server"
end
end