Class: Yabeda::TestAdapter

Inherits:
BaseAdapter show all
Includes:
Singleton
Defined in:
lib/yabeda/test_adapter.rb

Overview

Fake monitoring system adapter that collects latest metric values for later inspection

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from BaseAdapter

#debug!, #register!

Constructor Details

#initialize ⇒ TestAdapter

rubocop:disable Metrics/AbcSize



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# File 'lib/yabeda/test_adapter.rb', line 15

def initialize
  super
  @counters   = Hash.new { |ch, ck| ch[ck] = Hash.new { |th, tk| th[tk] = 0 } }
  @gauges     = Hash.new { |gh, gk| gh[gk] = Hash.new { |th, tk| th[tk] = nil } }
  @histograms = Hash.new { |hh, hk| hh[hk] = Hash.new { |th, tk| th[tk] = nil } }
  @summaries  = Hash.new { |sh, sk| sh[sk] = Hash.new { |th, tk| th[tk] = nil } }
end

Instance Attribute Details

#counters ⇒ Object (readonly)

Returns the value of attribute counters.



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# File 'lib/yabeda/test_adapter.rb', line 12

def counters
  @counters
end

#gauges ⇒ Object (readonly)

Returns the value of attribute gauges.



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# File 'lib/yabeda/test_adapter.rb', line 12

def gauges
  @gauges
end

#histograms ⇒ Object (readonly)

Returns the value of attribute histograms.



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# File 'lib/yabeda/test_adapter.rb', line 12

def histograms
  @histograms
end

#summaries ⇒ Object (readonly)

Returns the value of attribute summaries.



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# File 'lib/yabeda/test_adapter.rb', line 12

def summaries
  @summaries
end

Instance Method Details

#perform_counter_increment!(counter, tags, increment) ⇒ Object 



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# File 'lib/yabeda/test_adapter.rb', line 47

def perform_counter_increment!(counter, tags, increment)
  @counters[counter][tags] += increment
end

#perform_gauge_set!(gauge, tags, value) ⇒ Object 



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# File 'lib/yabeda/test_adapter.rb', line 51

def perform_gauge_set!(gauge, tags, value)
  @gauges[gauge][tags] = value
end

#perform_histogram_measure!(histogram, tags, value) ⇒ Object 



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# File 'lib/yabeda/test_adapter.rb', line 55

def perform_histogram_measure!(histogram, tags, value)
  @histograms[histogram][tags] = value
end

#perform_summary_observe!(summary, tags, value) ⇒ Object 



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# File 'lib/yabeda/test_adapter.rb', line 59

def perform_summary_observe!(summary, tags, value)
  @summaries[summary][tags] = value
end

#register_counter!(metric) ⇒ Object 



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# File 'lib/yabeda/test_adapter.rb', line 31

def register_counter!(metric)
  @counters[metric]
end

#register_gauge!(metric) ⇒ Object 



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# File 'lib/yabeda/test_adapter.rb', line 35

def register_gauge!(metric)
  @gauges[metric]
end

#register_histogram!(metric) ⇒ Object 



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# File 'lib/yabeda/test_adapter.rb', line 39

def register_histogram!(metric)
  @histograms[metric]
end

#register_summary!(metric) ⇒ Object 



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# File 'lib/yabeda/test_adapter.rb', line 43

def register_summary!(metric)
  @summaries[metric]
end

#reset! ⇒ Object

Call this method after every test example to quickly get blank state for the next test example



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# File 'lib/yabeda/test_adapter.rb', line 25

def reset!
  [@counters, @gauges, @histograms, @summaries].each do |collection|
    collection.each_value(&:clear) # Reset tag-values hash to be empty
  end
end