Class: TestProf::EventProf::RSpecListener

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/test_prof/event_prof/rspec.rb

Overview

:nodoc:

Constant Summary collapse

NOTIFICATIONS = 
i[
  example_group_started
  example_group_finished
  example_started
  example_finished
].freeze

Constants included from Logging

Logging::COLORS

Instance Method Summary collapse

Methods included from Logging

#log

Constructor Details

#initialize ⇒ RSpecListener

Returns a new instance of RSpecListener.



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# File 'lib/test_prof/event_prof/rspec.rb', line 21

def initialize
  @profiler = EventProf.build

  log :info, "EventProf enabled (#{@profiler.events.join(", ")})"
end

Instance Method Details

#example_finished(notification) ⇒ Object 



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# File 'lib/test_prof/event_prof/rspec.rb', line 41

def example_finished(notification)
  @profiler.example_finished notification.example
end

#example_group_finished(notification) ⇒ Object 



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# File 'lib/test_prof/event_prof/rspec.rb', line 32

def example_group_finished(notification)
  return unless notification.group.top_level?
  @profiler.group_finished notification.group
end

#example_group_started(notification) ⇒ Object 



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# File 'lib/test_prof/event_prof/rspec.rb', line 27

def example_group_started(notification)
  return unless notification.group.top_level?
  @profiler.group_started notification.group
end

#example_started(notification) ⇒ Object 



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# File 'lib/test_prof/event_prof/rspec.rb', line 37

def example_started(notification)
  @profiler.example_started notification.example
end

#print ⇒ Object 



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# File 'lib/test_prof/event_prof/rspec.rb', line 45

def print
  @profiler.each(&method(:report))
end

#report(profiler) ⇒ Object 



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# File 'lib/test_prof/event_prof/rspec.rb', line 49

def report(profiler)
  result = profiler.results
  time_percentage = time_percentage(profiler.total_time, profiler.absolute_run_time)

  msgs = []

  msgs <<
    "      EventProf results for \#{profiler.event}\n\n      Total time: \#{profiler.total_time.duration} of \#{profiler.absolute_run_time.duration} (\#{time_percentage}%)\n      Total events: \#{profiler.total_count}\n\n      Top \#{profiler.top_count} slowest suites (by \#{profiler.rank_by}):\n\n    MSG\n\n  result[:groups].each do |group|\n    description = group[:id].top_level_description\n    location = group[:id].metadata[:location]\n    time = group[:time]\n    run_time = group[:run_time]\n    time_percentage = time_percentage(time, run_time)\n\n    msgs <<\n      <<~GROUP\n        \#{description.truncate} (\#{location}) \u2013 \#{time.duration} (\#{group[:count]} / \#{group[:examples]}) of \#{run_time.duration} (\#{time_percentage}%)\n      GROUP\n  end\n\n  if result[:examples]\n    msgs << \"\\nTop \#{profiler.top_count} slowest tests (by \#{profiler.rank_by}):\\n\\n\"\n\n    result[:examples].each do |example|\n      description = example[:id].description\n      location = example[:id].metadata[:location]\n      time = example[:time]\n      run_time = example[:run_time]\n      time_percentage = time_percentage(time, run_time)\n\n      msgs <<\n        <<~GROUP\n          \#{description.truncate} (\#{location}) \u2013 \#{time.duration} (\#{example[:count]}) of \#{run_time.duration} (\#{time_percentage}%)\n        GROUP\n    end\n  end\n\n  log :info, msgs.join\n\n  stamp!(profiler) if EventProf.config.stamp?\nend\n"

#stamp!(profiler) ⇒ Object 



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# File 'lib/test_prof/event_prof/rspec.rb', line 101

def stamp!(profiler)
  result = profiler.results

  stamper = RSpecStamp::Stamper.new

  examples = Hash.new { |h, k| h[k] = [] }

  (result[:groups].to_a + result.fetch(:examples, []).to_a)
    .map { |obj| obj[:id].metadata[:location] }.each do |location|
    file, line = location.split(":")
    examples[file] << line.to_i
  end

  examples.each do |file, lines|
    stamper.stamp_file(file, lines.uniq)
  end

  msgs = []

  msgs <<
    "      RSpec Stamp results\n\n      Total patches: \#{stamper.total}\n      Total files: \#{examples.keys.size}\n\n      Failed patches: \#{stamper.failed}\n      Ignored files: \#{stamper.ignored}\n    MSG\n\n  log :info, msgs.join\nend\n"

#time_percentage(time, total_time) ⇒ Object 



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# File 'lib/test_prof/event_prof/rspec.rb', line 134

def time_percentage(time, total_time)
  (time / total_time * 100).round(2)
end