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# frozen_string_literal: true
require "test_helper"
require "stubs/test_server"
class ActionCable::Connection::ClientSocketTest < ActionCable::TestCase
class Connection < ActionCable::Connection::Base
attr_reader :connected, :websocket, :errors
def initialize(*)
super
@errors = []
end
def connect
@connected = true
end
def disconnect
@connected = false
end
def send_async(method, *args)
send method, *args
end
def on_error(message)
@errors << message
end
end
setup do
@server = TestServer.new
@server.config.allowed_request_origins = %w( http://rubyonrails.com )
end
test "delegate socket errors to on_error handler" do
run_in_eventmachine do
connection = open_connection
# Internal hax = :(
client = connection.websocket.send(:websocket)
client.instance_variable_get("@stream").stub(:write, proc { raise "foo" }) do
assert_not_called(client, :client_gone) do
client.write("boo")
end
end
assert_equal %w[ foo ], connection.errors
end
end
test "closes hijacked i/o socket at shutdown" do
run_in_eventmachine do
connection = open_connection
client = connection.websocket.send(:websocket)
event = Concurrent::Event.new
client.instance_variable_get("@stream")
.instance_variable_get("@rack_hijack_io")
.define_singleton_method(:close) { event.set }
connection.close(reason: "testing")
event.wait
end
end
private
def open_connection
env = Rack::MockRequest.env_for "/test",
"HTTP_CONNECTION" => "upgrade", "HTTP_UPGRADE" => "websocket",
"HTTP_HOST" => "localhost", "HTTP_ORIGIN" => "http://rubyonrails.com"
io, client_io = \
begin
Socket.pair(Socket::AF_UNIX, Socket::SOCK_STREAM, 0)
rescue
StringIO.new
end
env["rack.hijack"] = -> { env["rack.hijack_io"] = io }
Connection.new(@server, env).tap do |connection|
connection.process
if client_io
# Make sure server returns handshake response
Timeout.timeout(1) do
loop do
break if client_io.readline == "\r\n"
end
end
end
connection.send :handle_open
assert connection.connected
end
end
end
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