Module: Vanity::Experiment::Definition

Defined in:
lib/vanity/experiment/base.rb,
lib/vanity/experiment/ab_test.rb

Overview

These methods are available from experiment definitions (files located in the experiments directory, automatically loaded by Vanity). Use these methods to define you experiments, for example: 

  ab_test "New Banner" do
    alternatives :red, :green, :blue
    metrics :signup
  end

Instance Attribute Summary (collapse)

Instance Method Summary (collapse)

Instance Attribute Details

- (Object) playground (readonly)

Returns the value of attribute playground 



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# File 'lib/vanity/experiment/base.rb', line 13

def playground
  @playground
end

Instance Method Details

- (Object) ab_test(name, &block)

Define an A/B test with the given name. For example: 

  ab_test "New Banner" do
    alternatives :red, :green, :blue
  end


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# File 'lib/vanity/experiment/ab_test.rb', line 501

def ab_test(name, &block)
  define name, :ab_test, &block
end

- (Object) define(name, type, options = nil, &block)

Defines a new experiment, given the experiment’s name, type and definition block. 



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# File 'lib/vanity/experiment/base.rb', line 17

def define(name, type, options = nil, &block)
  fail "Experiment #{@experiment_id} already defined in playground" if playground.experiments[@experiment_id]
  klass = Experiment.const_get(type.to_s.gsub(/\/(.?)/) { "::#{$1.upcase}" }.gsub(/(?:^|_)(.)/) { $1.upcase })
  experiment = klass.new(playground, @experiment_id, name, options)
  experiment.instance_eval &block
  experiment.save
  playground.experiments[@experiment_id] = experiment
end

- (Object) new_binding(playground, id) 



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# File 'lib/vanity/experiment/base.rb', line 26

def new_binding(playground, id)
  @playground, @experiment_id = playground, id
  binding
end