/spec/ramaze/log/syslog.rb

#          Copyright (c) 2008 rob@rebeltechnologies.nl
# All files in this distribution are subject to the terms of the Ruby license.

require 'spec/helper'

require 'ramaze/log/syslog'

describe 'Syslog' do

  # close the syslog, if it was open for some reason before we
  # start a test.
  before do
    if ( Syslog.opened? )
      ::Syslog.close
    end
  end

  it 'should default initialize correctly' do
    syslog = Ramaze::Logger::Syslog.new
    ::Syslog.opened?.should == true
    ::Syslog.ident.should   == $0
    ::Syslog.options.should == ( ::Syslog::LOG_PID | ::Syslog::LOG_CONS )
    ::Syslog.facility.should == ::Syslog::LOG_USER
  end

  it 'should handle non default initialization' do
    syslog = Ramaze::Logger::Syslog.new(
      'ramaze_syslog_test', ::Syslog::LOG_NDELAY | ::Syslog::LOG_NOWAIT,
      ::Syslog::LOG_DAEMON
    )
    ::Syslog.opened?.should == true
    ::Syslog.ident.should   == 'ramaze_syslog_test'
    ::Syslog.options.should == ( ::Syslog::LOG_NDELAY | ::Syslog::LOG_NOWAIT )
    ::Syslog.facility.should == ::Syslog::LOG_DAEMON
  end

  # We test the actual logging using a trick found in te test code of the
  # syslog module.  We create a pipe, fork a child, reroute the childs
  # stderr to the pipe. Then we open the logging using LOG_PERROR, so all
  # log messages are written to stderror.  In the parent we read the messages
  # from the pipe and compare them to what we expected.
  def test_log_msg( type, priority, msg )
    logpipe = IO::pipe
    child = fork {
      logpipe[0].close
      STDERR.reopen(logpipe[1])
      syslog = Ramaze::Logger::Syslog.new(
        'ramaze_syslog_test',
        ::Syslog::LOG_PID | ::Syslog::LOG_NDELAY | ::Syslog::LOG_PERROR,
        ::Syslog::LOG_USER
      )
      syslog.send priority, msg
      Process.exit!( 0 )
    }
    logpipe[1].close
    Process.waitpid(child)

    logpipe[0].gets.should == "ramaze_syslog_test[#{child}]: #{msg}\n"
  end

  it 'should handle debug' do
    test_log_msg :direct, :debug, "Hello Debug World"
  end
  it 'should handle dev' do
    test_log_msg :direct, :dev, "Hello Dev World"
  end
  it 'should handle info' do
    test_log_msg :direct, :info, 'Hello Info World!'
  end
  it 'should handle warn' do
    test_log_msg :direct, :warn, 'Hello Warn World!'
  end
  it 'should handle error' do
    test_log_msg :direct, :error, 'Hello Error World!'
  end
end