t/t0012-reload-empty-config.sh

   1 #!/bin/sh
   2 . ./test-lib.sh
   3 t_plan 9 "reloading unset config resets defaults"
   4
   5 t_begin "setup and start" && {
   6         unicorn_setup
   7         rtmpfiles unicorn_config_orig before_reload after_reload
   8         cat $unicorn_config > $unicorn_config_orig
   9         cat >> $unicorn_config <<EOF
  10 logger Logger.new(STDOUT)
  11 preload_app true
  12 timeout 0x7fffffff
  13 worker_processes 2
  14 after_fork { |s,w| }
  15 \$dump_cfg = lambda { |fp,srv|
  16   defaults = Unicorn::Configurator::DEFAULTS
  17   defaults.keys.map { |x| x.to_s }.sort.each do |key|
  18     next if key =~ %r{\Astd(?:err|out)_path\z}
  19     key = key.to_sym
  20     def_value = defaults[key]
  21     srv_value = srv.respond_to?(key) ? srv.__send__(key)
  22                                      : srv.instance_variable_get("@#{key}")
  23     fp << "#{key}|#{srv_value}|#{def_value}\\n"
  24   end
  25 }
  26 before_fork { |s,w|
  27   File.open("$before_reload", "a") { |fp| \$dump_cfg.call(fp, s) }
  28 }
  29 before_exec { |s| }
  30 EOF
  31         unicorn -D -c $unicorn_config env.ru
  32         unicorn_wait_start
  33 }
  34
  35 t_begin "ensure worker is started" && {
  36         curl -sSf http://$listen/ > $tmp
  37 }
  38
  39 t_begin "replace config file with original(-ish)" && {
  40         grep -v ^pid < $unicorn_config_orig > $unicorn_config
  41         cat >> $unicorn_config <<EOF
  42 before_fork { |s,w|
  43   File.open("$after_reload", "a") { |fp| \$dump_cfg.call(fp, s) }
  44 }
  45 EOF
  46 }
  47
  48 t_begin "reload signal succeeds" && {
  49         kill -HUP $unicorn_pid
  50         while ! egrep '(done|error) reloading' $r_err >/dev/null
  51         do
  52                 sleep 1
  53         done
  54         while ! grep reaped < $r_err >/dev/null
  55         do
  56                 sleep 1
  57         done
  58         grep 'done reloading' $r_err >/dev/null
  59 }
  60
  61 t_begin "ensure worker is started" && {
  62         curl -sSf http://$listen/ > $tmp
  63 }
  64
  65 t_begin "pid file no longer exists" && {
  66         if test -f $pid
  67         then
  68                 die "pid=$pid should not exist"
  69         fi
  70 }
  71
  72 t_begin "killing succeeds" && {
  73         kill $unicorn_pid
  74 }
  75
  76 t_begin "check stderr" && {
  77         check_stderr
  78 }
  79
  80 t_begin "ensure reloading restored settings" && {
  81         awk < $after_reload -F'|' '
  82 $1 != "before_fork" && $2 != $3 { print $0; exit(1) }
  83 '
  84 }
  85
  86 t_done