Class: Ab::Tester

Inherits:
Object
  • Object
show all
Defined in:
lib/ab/tester.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Tester

Returns a new instance of Tester.



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# File 'lib/ab/tester.rb', line 5

def initialize(opts={})
  opts = defaults.merge!(opts)

  @options = opts[:options]
  @chances = Chance.new(opts[:chances])
  @input = opts[:input]
  @indexer = opts[:indexer]
  @name = opts[:name]
end

Instance Attribute Details

#chances ⇒ Object (readonly)

Returns the value of attribute chances.



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# File 'lib/ab/tester.rb', line 3

def chances
  @chances
end

#input ⇒ Object (readonly)

Returns the value of attribute input.



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# File 'lib/ab/tester.rb', line 3

def input
  @input
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/ab/tester.rb', line 3

def name
  @name
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/ab/tester.rb', line 3

def options
  @options
end

Instance Method Details

#call(id) ⇒ Object Also known as: for 



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# File 'lib/ab/tester.rb', line 23

def call(id)
  validate!
  index = @indexer.call(:value=>id,:chances=>chances.to_a, :seed=>name)
  if block_given?
    yield options[index]
  else
    return options[index]
  end
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ab/tester.rb', line 15

def valid?
  chances.count == options.count
end

#validate! ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/ab/tester.rb', line 19

def validate!
  raise ArgumentError unless valid?
end