module RSpec::Support::ShellOut

Constants

FakeProcessStatus

popen3 doesn't provide the exit status so we fake it out.

Public Instance Methods

run_ruby_with_current_load_path(ruby_command, *flags) click to toggle source
# File lib/rspec/support/spec/shell_out.rb, line 41
def run_ruby_with_current_load_path(ruby_command, *flags)
  command = [
    FileUtils::RUBY,
    "-I#{$LOAD_PATH.map(&:shellescape).join(File::PATH_SEPARATOR)}",
    "-e", ruby_command, *flags
  ]

  # Unset these env vars because `ruby -w` will issue warnings whenever
  # they are set to non-default values.
  with_env 'RUBY_GC_HEAP_FREE_SLOTS' => nil, 'RUBY_GC_MALLOC_LIMIT' => nil,
           'RUBY_FREE_MIN' => nil do
    shell_out(*command)
  end
end
shell_out(*command) click to toggle source
# File lib/rspec/support/spec/shell_out.rb, line 20
def shell_out(*command)
  stdout, stderr, status = Open3.capture3(*command)
  return stdout, filter(stderr), status
end
with_env(vars) { || ... } click to toggle source
# File lib/rspec/support/spec/shell_out.rb, line 8
def with_env(vars)
  original = ENV.to_hash
  vars.each { |k, v| ENV[k] = v }

  begin
    yield
  ensure
    ENV.replace(original)
  end
end

Private Instance Methods

filter(output) click to toggle source
# File lib/rspec/support/spec/shell_out.rb, line 59
def filter(output)
  output.each_line.reject do |line|
    line.include?("lib/ruby/shared/rubygems/defaults/jruby")
  end.join($/)
end