Class: TestProf::FactoryDefault::Profiler

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

Constant Summary

Constants included from Logging

Logging::COLORS

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logging

#log

Constructor Details

#initialize ⇒ Profiler

Returns a new instance of Profiler.



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# File 'lib/test_prof/factory_default.rb', line 59

def initialize
  @data = Hash.new { |h, k| h[k] = {count: 0, time: 0.0} }
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/test_prof/factory_default.rb', line 57

def data
  @data
end

Instance Method Details

#instrument(name, traits, overrides) ⇒ Object 



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# File 'lib/test_prof/factory_default.rb', line 63

def instrument(name, traits, overrides)
  start = TestProf.now
  yield.tap do
    time = TestProf.now - start
    key = build_association_name(name, traits, overrides)
    data[key][:count] += 1
    data[key][:time] += time
  end
end

#print_report ⇒ Object 



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# File 'lib/test_prof/factory_default.rb', line 73

def print_report
  if data.empty?
    log :info, "FactoryDefault profiler collected no data"
    return
  end

  # Merge object overrides into one stats record
  data = self.data.each_with_object({}) do |(name, stats), acc|
    name = name.gsub(/\$id\$.+\$di\$/, "<id>")
    if acc.key?(name)
      acc[name][:count] += stats[:count]
      acc[name][:time] += stats[:time]
    else
      acc[name] = stats
    end
  end

  msgs = []

  msgs <<
    "      Factory associations usage:\n    MSG\n\n  first_column = data.keys.map(&:size).max + 2\n\n  msgs << format(\n    \"%\#{first_column}s  %9s  %12s\",\n    \"factory\", \"count\", \"total time\"\n  )\n\n  msgs << \"\"\n\n  total_count = 0\n  total_time = 0.0\n\n  data.to_a.sort_by { |(_, v)| -v[:time] }.each do |(key, factory_stats)|\n    total_count += factory_stats[:count]\n    total_time += factory_stats[:time]\n\n    msgs << format(\n      \"%\#{first_column}s  %9d  %12s\",\n      key, factory_stats[:count], factory_stats[:time].duration\n    )\n  end\n\n  msgs <<\n    <<~MSG\n\n      Total associations created: \#{total_count}\n      Total uniq associations created: \#{data.size}\n      Total time spent: \#{total_time.duration}\n\n    MSG\n\n  log :info, msgs.join(\"\\n\")\nend\n"