Module: Sprinkle::Verifiers::Environment

Defined in:
lib/sprinkle/verifiers/environment.rb

Overview

Environment Verifier

Contains a verifier to check environment variables

Example Usage

verify { has_environment_variable "PATH" }
verify { has_environment_variable "ProgramFiles", "C:\\Program Files" }

Instance Method Summary collapse

Instance Method Details

#environment_variable_contains(name, text) ⇒ Object

Checks to make sure the environment variable contains the given text



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# File 'lib/sprinkle/verifiers/environment.rb', line 30

def environment_variable_contains(name, text)
  name, text = name.to_s, text.to_s
  if RUBY_PLATFORM =~ /win32/
    # use set | findstr to avoid shell substitution, which does not appear to work reliably with Kernel.system
    command = "set #{name} | findstr /c:\"#{text}\""
    command << ' > NUL 2>&1' unless logger.debug?
  else
    command = "echo $#{name} | grep '#{text}'"
  end
  @commands << command
end

#has_environment_variable(name, value = nil) ⇒ Object

Checks to make sure the environment variable exists or has a specific value



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# File 'lib/sprinkle/verifiers/environment.rb', line 16

def has_environment_variable(name, value = nil)
  name, value = name.to_s, value.to_s
  if RUBY_PLATFORM =~ /win32/
    # use set | findstr to avoid shell substitution, which does not appear to work reliably with Kernel.system
    command = "set #{name} | findstr /c:\"#{name}=\""
    command << " | findstr /r /c:\"^.*=#{Regexp.quote value}$\"" unless value.empty?
    command << ' > NUL 2>&1' unless logger.debug?
  else
    command = value.nil? ? "test -n $#{name}" : "test $#{name} == \"#{value}\""
  end
  @commands << command
end