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|
# frozen_string_literal: true
require 'open-uri'
require 'net/http'
require 'timeout'
module Sinatra
# NOTE: This feature is experimental, and missing tests!
#
# Helps you spinning up and shutting down your own sinatra app. This is especially helpful for running
# real network tests against a sinatra backend.
#
# The backend server could look like the following (in test/server.rb).
#
# require "sinatra"
#
# get "/" do
# "Cheers from test server"
# end
#
# get "/ping" do
# "1"
# end
#
# Note that you need to implement a ping action for internal use.
#
# Next, you need to write your runner.
#
# require 'sinatra/runner'
#
# class Runner < Sinatra::Runner
# def app_file
# File.expand_path("server.rb", __dir__)
# end
# end
#
# Override Runner#app_file, #command, #port, #protocol and #ping_path for customization.
#
# **Don't forget to override #app_file specific to your application!**
#
# Wherever you need this test backend, here's how you manage it. The following example assumes you
# have a test in your app that needs to be run against your test backend.
#
# runner = ServerRunner.new
# runner.run
#
# # ..tests against localhost:4567 here..
#
# runner.kill
#
# For an example, check https://github.com/apotonick/roar/blob/master/test/integration/runner.rb
class Runner
def app_file
File.expand_path('server.rb', __dir__)
end
def run
@pipe = start
@started = Time.now
warn "#{server} up and running on port #{port}" if ping
end
def kill
return unless pipe
Process.kill('KILL', pipe.pid)
rescue NotImplementedError
system "kill -9 #{pipe.pid}"
rescue Errno::ESRCH
end
def get(url)
Timeout.timeout(1) { get_url("#{protocol}://127.0.0.1:#{port}#{url}") }
end
def get_stream(url = '/stream', &block)
Net::HTTP.start '127.0.0.1', port do |http|
request = Net::HTTP::Get.new url
http.request request do |response|
response.read_body(&block)
end
end
end
def get_response(url)
Net::HTTP.start '127.0.0.1', port do |http|
request = Net::HTTP::Get.new url
http.request request do |response|
response
end
end
end
def log
@log ||= +''
loop { @log << pipe.read_nonblock(1) }
rescue Exception
@log
end
private
attr_accessor :pipe
def start
IO.popen(command)
end
# to be overwritten
def command
"bundle exec ruby #{app_file} -p #{port} -e production"
end
def ping(timeout = 30)
loop do
return if alive?
if Time.now - @started > timeout
warn command, log
raise "timeout starting server with command '#{command}'"
else
sleep 0.1
end
end
end
def alive?
3.times { get(ping_path) }
true
rescue EOFError, SystemCallError, OpenURI::HTTPError, Timeout::Error
false
end
# to be overwritten
def ping_path
'/ping'
end
# to be overwritten
def port
4567
end
def protocol
'http'
end
def get_url(url)
uri = URI.parse(url)
return uri.read unless protocol == 'https'
get_https_url(uri)
end
def get_https_url(uri)
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE
request = Net::HTTP::Get.new(uri.request_uri)
http.request(request).body
end
end
end
|
