Class: Split::ExperimentCatalog

Inherits:
Object
  • Object
show all
Defined in:
lib/split/experiment_catalog.rb

Class Method Summary collapse

Class Method Details

.all ⇒ Object

Return all experiments



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# File 'lib/split/experiment_catalog.rb', line 5

def self.all
  # Call compact to prevent nil experiments from being returned -- seems to happen during gem upgrades
  Split.redis.smembers(:experiments).map {|e| find(e)}.compact
end

.all_active_first ⇒ Object

Return experiments without a winner (considered “active”) first



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# File 'lib/split/experiment_catalog.rb', line 11

def self.all_active_first
  all.partition{|e| not e.winner}.map{|es| es.sort_by(&:name)}.flatten
end

.find(name) ⇒ Object 



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# File 'lib/split/experiment_catalog.rb', line 15

def self.find(name)
  return unless Split.redis.exists(name)
  Experiment.new(name).tap { |exp| exp.load_from_redis }
end

.find_or_create(metric_descriptor, control = nil, *alternatives) ⇒ Object 



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# File 'lib/split/experiment_catalog.rb', line 33

def self.find_or_create(metric_descriptor, control = nil, *alternatives)
  experiment = find_or_initialize(metric_descriptor, control, *alternatives)
  experiment.save
end

.find_or_initialize(metric_descriptor, control = nil, *alternatives) ⇒ Object 



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# File 'lib/split/experiment_catalog.rb', line 20

def self.find_or_initialize(metric_descriptor, control = nil, *alternatives)
  # Check if array is passed to ab_test
  # e.g. ab_test('name', ['Alt 1', 'Alt 2', 'Alt 3'])
  if control.is_a? Array and alternatives.length.zero?
    control, alternatives = control.first, control[1..-1]
  end

  experiment_name_with_version, goals = normalize_experiment(metric_descriptor)
  experiment_name = experiment_name_with_version.to_s.split(':')[0]
  Split::Experiment.new(experiment_name,
      :alternatives => [control].compact + alternatives, :goals => goals)
end