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# frozen_string_literal: true
require 'uri'
require 'net/http'
require 'rack'
require 'capybara/server/middleware'
require 'capybara/server/animation_disabler'
require 'capybara/server/checker'
module Capybara
# @api private
class Server
class << self
def ports
@ports ||= {}
end
end
attr_reader :app, :port, :host
def initialize(app, *deprecated_options, port: Capybara.server_port, host: Capybara.server_host, reportable_errors: Capybara.server_errors, extra_middleware: [])
warn 'Positional arguments, other than the application, to Server#new are deprecated, please use keyword arguments' unless deprecated_options.empty?
@app = app
@extra_middleware = extra_middleware
@server_thread = nil # suppress warnings
@host = deprecated_options[1] || host
@reportable_errors = deprecated_options[2] || reportable_errors
@port = deprecated_options[0] || port
@port ||= Capybara::Server.ports[port_key]
@port ||= find_available_port(host)
@checker = Checker.new(@host, @port)
end
def reset_error!
middleware.clear_error
end
def error
middleware.error
end
def using_ssl?
@checker.ssl?
end
def responsive?
return false if @server_thread&.join(0)
res = @checker.request { |http| http.get('/__identify__') }
return res.body == app.object_id.to_s if res.is_a?(Net::HTTPSuccess) || res.is_a?(Net::HTTPRedirection)
rescue SystemCallError, Net::ReadTimeout, OpenSSL::SSL::SSLError
false
end
def wait_for_pending_requests
timer = Capybara::Helpers.timer(expire_in: 60)
while pending_requests?
raise 'Requests did not finish in 60 seconds' if timer.expired?
sleep 0.01
end
end
def boot
unless responsive?
Capybara::Server.ports[port_key] = port
@server_thread = Thread.new do
Capybara.server.call(middleware, port, host)
end
timer = Capybara::Helpers.timer(expire_in: 60)
until responsive?
raise 'Rack application timed out during boot' if timer.expired?
@server_thread.join(0.1)
end
end
self
end
private
def middleware
@middleware ||= Middleware.new(app, @reportable_errors, @extra_middleware)
end
def port_key
Capybara.reuse_server ? app.object_id : middleware.object_id
end
def pending_requests?
middleware.pending_requests?
end
def find_available_port(host)
server = TCPServer.new(host, 0)
server.addr[1]
ensure
server&.close
end
end
end