Class: Specinfra::Backend::Cmd

Inherits:
Base
  • Object
show all
Includes:
PowerShell::ScriptHelper
Defined in:
lib/specinfra/backend/cmd.rb

Instance Method Summary collapse

Methods included from PowerShell::ScriptHelper

#add_pre_command, #build_command, #check_running, #create_script, #encode_script

Methods inherited from Base

clear, #command, #get_config, #host_inventory, #initialize, instance, #set_config, #set_example, #stderr_handler=, #stdout_handler=

Constructor Details

This class inherits a constructor from Specinfra::Backend::Base

Instance Method Details

#check_os ⇒ Object 



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# File 'lib/specinfra/backend/cmd.rb', line 44

def check_os
  # Dirty hack for specs
  'Windows'
end

#execute_script(script) ⇒ Object 



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# File 'lib/specinfra/backend/cmd.rb', line 31

def execute_script script
  if Open3.respond_to? :capture3
    stdout, stderr, status = Open3.capture3(script)
    # powershell still exits with 0 even if there are syntax errors, although it spits the error out into stderr
    # so we have to resort to return an error exit code if there is anything in the standard error
    status = 1 if status == 0 and !stderr.empty?
    { :stdout => stdout, :stderr => stderr, :status => status }
  else
    stdout = `#{script} 2>&1`
    { :stdout => stdout, :stderr => nil, :status => $? }
  end
end

#os_info ⇒ Object 



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# File 'lib/specinfra/backend/cmd.rb', line 8

def os_info
  { :family => 'windows', :release => nil, :arch => nil, :cygwin => `echo $0`.include?("sh") }
end

#run_command(cmd, opts = {}) ⇒ Object 



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# File 'lib/specinfra/backend/cmd.rb', line 12

def run_command(cmd, opts={})
  script = create_script(cmd)
  psh = powershell
  if os_info[:cygwin]
    # convert c:\windows... to /cygdrive/c/windows...
    psh.gsub!("\\", "/")
    psh.sub!(":", "")
    psh = psh.prepend("/cygdrive/")
  end
  result = execute_script %Q{#{psh} -NoProfile -encodedCommand #{encode_script(script)}}

  if @example
    @example.metadata[:command] = script
    @example.metadata[:stdout]  = result[:stdout] + result[:stderr]
  end
  CommandResult.new :stdout => result[:stdout], :stderr => result[:stderr],
    :exit_status => result[:status]
end