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puma--puma/test/helpers/integration.rb

130 lines
3.1 KiB
Ruby

# frozen_string_literal: true
require "puma/control_cli"
require "open3"
# Only single mode tests go here. Cluster and pumactl tests
# have their own files, use those instead
class TestIntegration < Minitest::Test
HOST = "127.0.0.1"
TOKEN = "xxyyzz"
WORKERS = 2
BASE = defined?(Bundler) ? "bundle exec #{Gem.ruby} -Ilib" :
"#{Gem.ruby} -Ilib"
def setup
@ios_to_close = []
@bind_path = "test/#{name}_server.sock"
end
def teardown
if defined?(@server) && @server
stop_server @pid, signal: :INT
end
@ios_to_close.each do |io|
io.close if io.is_a?(IO) && !io.closed?
io = nil
end
refute File.exist?(@bind_path), "Bind path must be removed after stop"
File.unlink(@bind_path) rescue nil
# wait until the end for OS buffering?
if defined?(@server) && @server
@server.close unless @server.closed?
@server = nil
end
end
private
def cli_server(argv, unix: false)
if unix
cmd = "#{BASE} bin/puma -b unix://#{@bind_path} #{argv}"
else
@tcp_port = UniquePort.call
cmd = "#{BASE} bin/puma -b tcp://#{HOST}:#{@tcp_port} #{argv}"
end
@server = IO.popen(cmd, "r")
wait_for_server_to_boot
@pid = @server.pid
@server
end
# rescue statements are just in case method is called with a server
# that is already stopped/killed, especially since Process.wait2 is
# blocking
def stop_server(pid = @pid, signal: :TERM)
begin
Process.kill signal, pid
rescue Errno::ESRCH
end
begin
Process.wait2 pid
rescue Errno::ECHILD
end
end
def restart_server_and_listen(argv)
cli_server argv
connection = connect
initial_reply = read_body(connection)
restart_server connection
[initial_reply, read_body(connect)]
end
# reuses an existing connection to make sure that works
def restart_server(connection, log: false)
Process.kill :USR2, @pid
connection.write "GET / HTTP/1.1\r\n\r\n" # trigger it to start by sending a new request
wait_for_server_to_boot(log: log)
end
# wait for server to say it booted
def wait_for_server_to_boot(log: false)
if log
puts "Waiting for server to boot..."
begin
line = @server.gets
puts line if line && line.strip != ''
end while line !~ /Ctrl-C/
puts "Server booted!"
else
true while @server.gets !~ /Ctrl-C/
end
end
def connect(path = nil, unix: false)
s = unix ? UNIXSocket.new(@bind_path) : TCPSocket.new(HOST, @tcp_port)
@ios_to_close << s
s << "GET /#{path} HTTP/1.1\r\n\r\n"
true until s.gets == "\r\n"
s
end
def read_body(connection)
Timeout.timeout(10) do
loop do
response = connection.readpartial(1024)
body = response.split("\r\n\r\n", 2).last
return body if body && !body.empty?
sleep 0.01
end
end
end
# gets worker pids from @server output
def get_worker_pids(phase = 0, size = WORKERS)
pids = []
re = /pid: (\d+)\) booted, phase: #{phase}/
while pids.size < size
if pid = @server.gets[re, 1]
pids << pid
else
sleep 2
end
end
pids.map(&:to_i)
end
end