require 'beaker-rspec/spec_helper'
require 'beaker-rspec/helpers/serverspec'

class String
  # Provide ability to remove indentation from strings, for the purpose of
  # left justifying heredoc blocks.
  def unindent
    gsub(/^#{scan(/^\s*/).min_by{|l|l.length}}/, "")
  end
end

def shellescape(str)
  str = str.to_s

  # An empty argument will be skipped, so return empty quotes.
  return "''" if str.empty?

  str = str.dup

  # Treat multibyte characters as is.  It is caller's responsibility
  # to encode the string in the right encoding for the shell
  # environment.
  str.gsub!(/([^A-Za-z0-9_\-.,:\/@\n])/, "\\\\\\1")

  # A LF cannot be escaped with a backslash because a backslash + LF
  # combo is regarded as line continuation and simply ignored.
  str.gsub!(/\n/, "'\n'")

  return str
end

def psql(psql_cmd, user = 'postgres', exit_codes = [0], &block)
  psql = "psql #{psql_cmd}"
  shell("su #{shellescape(user)} -c #{shellescape(psql)}", :acceptable_exit_codes => exit_codes, &block)
end

hosts.each do |host|
  if host['platform'] =~ /debian/
    on host, 'echo \'export PATH=/var/lib/gems/1.8/bin/:${PATH}\' >> ~/.bashrc'
  end
  if host.is_pe?
    install_pe
  else
    # Install Puppet
    install_package host, 'rubygems'
    on host, 'gem install puppet --no-ri --no-rdoc'
    on host, "mkdir -p #{host['distmoduledir']}"
  end
end

RSpec.configure do |c|
  # Project root
  proj_root = File.expand_path(File.join(File.dirname(__FILE__), '..'))

  # Readable test descriptions
  c.formatter = :documentation

  # Configure all nodes in nodeset
  c.before :suite do
    # Install module and dependencies
    puppet_module_install(:source => proj_root, :module_name => 'postgresql')
    hosts.each do |host|
      on host, shell('chmod 755 /root')
      on host, puppet('module','install','puppetlabs-stdlib'), { :acceptable_exit_codes => [0,1] }
      on host, puppet('module','install','puppetlabs-firewall'), { :acceptable_exit_codes => [0,1] }
      on host, puppet('module','install','puppetlabs-apt'), { :acceptable_exit_codes => [0,1] }
      on host, puppet('module','install','puppetlabs-concat'), { :acceptable_exit_codes => [0,1] }
    end
  end
end