How to use ensure_system_exit_if_required method of CaptureWarnings Package

...16      puts "#{ project_warnings.count } gherkin warnings detected"17      print_warnings('gherkin', project_warnings)18      fail "Please remove all gherkin warnings."19    end20    ensure_system_exit_if_required21  end22  def capture_error(&block)23    old_stderr = STDERR.clone24    pipe_r, pipe_w = IO.pipe25    pipe_r.sync    = true26    error         = ""27    reader = Thread.new do28      begin29        loop do30          error << pipe_r.readpartial(1024)31        end32      rescue EOFError33      end34    end35    STDERR.reopen(pipe_w)36    block.call37  ensure38    capture_system_exit39    STDERR.reopen(old_stderr)40    pipe_w.close41    reader.join42    return error.split("\n")43  end44  def print_warnings(type, warnings)45    puts46    puts "-" * 30 + " #{type} warnings: " + "-" * 3047    puts48    puts warnings.join("\n")49    puts50    puts "-" * 7551    puts52  end53  def ensure_system_exit_if_required54    raise @system_exit if @system_exit55  end56  def capture_system_exit57    @system_exit = $!58  end59end...

1    assert_equal(0, 1)2  Test::Unit::UI::Console::TestRunner.run(TestEnsureSystemExit)3    assert_equal(0, 1)4  Test::Unit::UI::Console::TestRunner.run(TestEnsureSystemExit)5  exit Test::Unit::UI::Console::TestRunner.run(TestEnsureSystemExit)6    assert_equal(0, 1)

1  def push(path)2    @path.push(path)3    @path.join('/')4path.push('a')5path.push('b')6def warn_if_path_empty(path)7def ensure_system_exit_if_required(message)8path.push('a')9path.push('b')10warn_if_path_empty(path)