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require 'minitest/autorun'
require 'rack'
require 'rack/server'
require 'tempfile'
require 'socket'
require 'open-uri'
module Minitest::Spec::DSL
alias :should :it
end
describe Rack::Server do
SPEC_ARGV = []
before { SPEC_ARGV[0..-1] = [] }
def app
lambda { |env| [200, {'Content-Type' => 'text/plain'}, ['success']] }
end
def with_stderr
old, $stderr = $stderr, StringIO.new
yield $stderr
ensure
$stderr = old
end
it "overrides :config if :app is passed in" do
server = Rack::Server.new(:app => "FOO")
server.app.must_equal "FOO"
end
it "prefer to use :builder when it is passed in" do
server = Rack::Server.new(:builder => "run lambda { |env| [200, {'Content-Type' => 'text/plain'}, ['success']] }")
server.app.class.must_equal Proc
Rack::MockRequest.new(server.app).get("/").body.to_s.must_equal 'success'
end
it "allow subclasses to override middleware" do
server = Class.new(Rack::Server).class_eval { def middleware; Hash.new [] end; self }
server.middleware['deployment'].wont_equal []
server.new(:app => 'foo').middleware['deployment'].must_equal []
end
it "allow subclasses to override default middleware" do
server = Class.new(Rack::Server).instance_eval { def default_middleware_by_environment; Hash.new [] end; self }
server.middleware['deployment'].must_equal []
server.new(:app => 'foo').middleware['deployment'].must_equal []
end
it "only provide default middleware for development and deployment environments" do
Rack::Server.default_middleware_by_environment.keys.sort.must_equal %w(deployment development)
end
it "always return an empty array for unknown environments" do
server = Rack::Server.new(:app => 'foo')
server.middleware['production'].must_equal []
end
it "not include Rack::Lint in deployment environment" do
server = Rack::Server.new(:app => 'foo')
server.middleware['deployment'].flatten.wont_include Rack::Lint
end
it "not include Rack::ShowExceptions in deployment environment" do
server = Rack::Server.new(:app => 'foo')
server.middleware['deployment'].flatten.wont_include Rack::ShowExceptions
end
it "include Rack::TempfileReaper in deployment environment" do
server = Rack::Server.new(:app => 'foo')
server.middleware['deployment'].flatten.must_include Rack::TempfileReaper
end
it "support CGI" do
begin
o, ENV["REQUEST_METHOD"] = ENV["REQUEST_METHOD"], 'foo'
server = Rack::Server.new(:app => 'foo')
server.server.name =~ /CGI/
Rack::Server.logging_middleware.call(server).must_be_nil
ensure
ENV['REQUEST_METHOD'] = o
end
end
it "be quiet if said so" do
server = Rack::Server.new(:app => "FOO", :quiet => true)
Rack::Server.logging_middleware.call(server).must_be_nil
end
it "use a full path to the pidfile" do
# avoids issues with daemonize chdir
opts = Rack::Server.new.send(:parse_options, %w[--pid testing.pid])
opts[:pid].must_equal ::File.expand_path('testing.pid')
end
it "get options from ARGV" do
SPEC_ARGV[0..-1] = ['--debug', '-sthin', '--env', 'production']
server = Rack::Server.new
server.options[:debug].must_equal true
server.options[:server].must_equal 'thin'
server.options[:environment].must_equal 'production'
end
it "only override non-passed options from parsed .ru file" do
builder_file = File.join(File.dirname(__FILE__), 'builder', 'options.ru')
SPEC_ARGV[0..-1] = ['--debug', '-sthin', '--env', 'production', builder_file]
server = Rack::Server.new
server.app # force .ru file to be parsed
server.options[:debug].must_equal true
server.options[:server].must_equal 'thin'
server.options[:environment].must_equal 'production'
server.options[:Port].must_equal '2929'
end
it "run a server" do
pidfile = Tempfile.open('pidfile') { |f| break f }
FileUtils.rm pidfile.path
server = Rack::Server.new(
:app => app,
:environment => 'none',
:pid => pidfile.path,
:Port => TCPServer.open('127.0.0.1', 0){|s| s.addr[1] },
:Host => '127.0.0.1',
:Logger => WEBrick::Log.new(nil, WEBrick::BasicLog::WARN),
:AccessLog => [],
:daemonize => false,
:server => 'webrick'
)
t = Thread.new { server.start { |s| Thread.current[:server] = s } }
t.join(0.01) until t[:server] && t[:server].status != :Stop
body = open("http://127.0.0.1:#{server.options[:Port]}/") { |f| f.read }
body.must_equal 'success'
Process.kill(:INT, $$)
t.join
open(pidfile.path) { |f| f.read.must_equal $$.to_s }
end
it "check pid file presence and running process" do
pidfile = Tempfile.open('pidfile') { |f| f.write($$); break f }.path
server = Rack::Server.new(:pid => pidfile)
server.send(:pidfile_process_status).must_equal :running
end
it "check pid file presence and dead process" do
dead_pid = `echo $$`.to_i
pidfile = Tempfile.open('pidfile') { |f| f.write(dead_pid); break f }.path
server = Rack::Server.new(:pid => pidfile)
server.send(:pidfile_process_status).must_equal :dead
end
it "check pid file presence and exited process" do
pidfile = Tempfile.open('pidfile') { |f| break f }.path
::File.delete(pidfile)
server = Rack::Server.new(:pid => pidfile)
server.send(:pidfile_process_status).must_equal :exited
end
it "check pid file presence and not owned process" do
pidfile = Tempfile.open('pidfile') { |f| f.write(1); break f }.path
server = Rack::Server.new(:pid => pidfile)
server.send(:pidfile_process_status).must_equal :not_owned
end
it "not write pid file when it is created after check" do
pidfile = Tempfile.open('pidfile') { |f| break f }.path
::File.delete(pidfile)
server = Rack::Server.new(:pid => pidfile)
::File.open(pidfile, 'w') { |f| f.write(1) }
with_stderr do |err|
lambda { server.send(:write_pid) }.must_raise SystemExit
err.rewind
output = err.read
output.must_match(/already running/)
output.must_include pidfile
end
end
it "inform the user about existing pidfiles with running processes" do
pidfile = Tempfile.open('pidfile') { |f| f.write(1); break f }.path
server = Rack::Server.new(:pid => pidfile)
with_stderr do |err|
lambda { server.start }.must_raise SystemExit
err.rewind
output = err.read
output.must_match(/already running/)
output.must_include pidfile
end
end
end