Class: Wip::DebugReporter

Inherits:
Object
  • Object
show all
Defined in:
lib/wip/debug_reporter.rb

Overview

Prints each step wip takes and how long it took, when debug mode is enabled.

Instance Method Summary collapse

Constructor Details

#initialize(enabled:, out: $stderr) ⇒ DebugReporter

Returns a new instance of DebugReporter.



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# File 'lib/wip/debug_reporter.rb', line 6

def initialize(enabled:, out: $stderr)
  @enabled = enabled
  @out = out
end

Instance Method Details

#step(label) ⇒ Object 



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# File 'lib/wip/debug_reporter.rb', line 11

def step(label)
  return yield unless @enabled

  started = Process.clock_gettime(Process::CLOCK_MONOTONIC)
  @out.puts "wip: [debug] #{label}"
  monitor = ResourceMonitor.new(out: @out)
  monitor.start(label)
  begin
    yield
  ensure
    monitor.stop
    elapsed = Process.clock_gettime(Process::CLOCK_MONOTONIC) - started
    @out.puts format('wip: [debug] done in %<elapsed>.2fs: %<label>s', elapsed: elapsed, label: label)
  end
end