Module: ActiveSupport::Testing::Stream

Do not use. This module is for internal use only.

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Included In: `::Rails::Generators::TestCase`, `::Rails::Generators::Testing::Behavior`
Defined in:	activesupport/lib/active_support/testing/stream.rb

Instance Method Details

#capture(stream) (private)

[ GitHub ]

# File 'activesupport/lib/active_support/testing/stream.rb', line 23


def capture(stream)
  stream = stream.to_s
  captured_stream = Tempfile.new(stream)
  stream_io = eval("$#{stream}", binding, __FILE__, __LINE__)
  origin_stream = stream_io.dup
  stream_io.reopen(captured_stream)

  yield

  stream_io.rewind
  captured_stream.read
ensure
  captured_stream.close
  captured_stream.unlink
  stream_io.reopen(origin_stream)
end

#quietly(&block) (private)

[ GitHub ]

# File 'activesupport/lib/active_support/testing/stream.rb', line 17


def quietly(&block)
  silence_stream(STDOUT) do
    silence_stream(STDERR, &block)
  end
end

#silence_stream(stream) (private)

[ GitHub ]

# File 'activesupport/lib/active_support/testing/stream.rb', line 7


def silence_stream(stream)
  old_stream = stream.dup
  stream.reopen(IO::NULL)
  stream.sync = true
  yield
ensure
  stream.reopen(old_stream)
  old_stream.close
end