Class: Cmd

Inherits:
Object
  • Object
show all
Defined in:
lib/resources/command.rb

Overview

Usage: describe command(‘ls -al /’) do

it { should exist }
its(:stdout) { should match /bin/ }
its(:stderr) { should match /No such file or directory/ }
its(:exit_status) { should eq 0 }

end

Direct Known Subclasses

Script

Instance Method Summary collapse

Constructor Details

#initialize(cmd) ⇒ Cmd

Returns a new instance of Cmd.



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# File 'lib/resources/command.rb', line 17

def initialize(cmd)
  @command = cmd
end

Instance Method Details

#exist? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/resources/command.rb', line 37

def exist?
  if inspec.os.linux?
    res = inspec.backend.run_command("bash -c 'type \"#{@command}\"'")
  elsif inspec.os.windows?
    res = inspec.backend.run_command("where.exe \"#{@command}\"")
  elsif inspec.os.unix?
    res = inspec.backend.run_command("type \"#{@command}\"")
  elsif inspec.os[:family].to_s == 'unknown'
    # silent for mock resources
    return false
  else
    warn "`command(#{@command}).exist?` is not suported on you OS: #{inspec.os[:family]}"
    return false
  end
  res.exit_status.to_i == 0
end

#exit_status ⇒ Object 



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# File 'lib/resources/command.rb', line 33

def exit_status
  result.exit_status.to_i
end

#result ⇒ Object 



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# File 'lib/resources/command.rb', line 21

def result
  @result ||= inspec.backend.run_command(@command)
end

#stderr ⇒ Object 



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# File 'lib/resources/command.rb', line 29

def stderr
  result.stderr
end

#stdout ⇒ Object 



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# File 'lib/resources/command.rb', line 25

def stdout
  result.stdout
end

#to_s ⇒ Object 



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# File 'lib/resources/command.rb', line 54

def to_s
  "Command #{@command}"
end