Class: JsonTestData::Number

Inherits:
Object
  • Object
show all
Extended by:
NumberHelper
Defined in:
lib/json_test_data/data_structures/number.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from NumberHelper

between

Constructor Details

#initialize(min: nil, max: nil, factor: nil, value: nil, type: nil) ⇒ Number 



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# File 'lib/json_test_data/data_structures/number.rb', line 21

def initialize(min: nil, max: nil, factor: nil, value: nil, type: nil)
  @factor, @minimum, @maximum = factor, min, max
  @value = value || @factor || rand(1000)
  @type  = type || :number
end

Instance Attribute Details

#factor ⇒ Object

Returns the value of attribute factor.



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# File 'lib/json_test_data/data_structures/number.rb', line 19

def factor
  @factor
end

#maximum ⇒ Object

Returns the value of attribute maximum.



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# File 'lib/json_test_data/data_structures/number.rb', line 19

def maximum
  @maximum
end

#minimum ⇒ Object

Returns the value of attribute minimum.



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# File 'lib/json_test_data/data_structures/number.rb', line 19

def minimum
  @minimum
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/json_test_data/data_structures/number.rb', line 19

def type
  @type
end

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/json_test_data/data_structures/number.rb', line 19

def value
  @value
end

Class Method Details

.create(schema) ⇒ Object 



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# File 'lib/json_test_data/data_structures/number.rb', line 8

def create(schema)
  return schema.fetch(:enum).sample if schema.fetch(:enum, nil)

  factor = schema.fetch(:multipleOf, nil)
  minimum, maximum = schema.fetch(:minimum, nil), schema.fetch(:maximum, nil)

  num = new(min: minimum, max: maximum, factor: factor, type: schema.fetch(:type, "number").to_sym)
  num.adjust!
end

Instance Method Details

#adjust! ⇒ Object 



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# File 'lib/json_test_data/data_structures/number.rb', line 67

def adjust!
  while !value_divisible_by_factor? || value_too_low? || value_too_high? || should_be_int_but_isnt?
    adjust_for_divisibility!
    adjust_by!(step_size)
  end

  @value ||= 1
  @type == :number ? @value : @value.to_i
end

#adjust_by!(step_size) ⇒ Object 



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# File 'lib/json_test_data/data_structures/number.rb', line 62

def adjust_by!(step_size)
  @value -= step_size if value_too_high?
  @value += step_size if value_too_low?
end

#adjust_for_divisibility! ⇒ Object 



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# File 'lib/json_test_data/data_structures/number.rb', line 34

def adjust_for_divisibility!
  return if value_divisible_by_factor?
  @value *= factor
end

#is_int? ⇒ Boolean 



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# File 'lib/json_test_data/data_structures/number.rb', line 39

def is_int?
  type == :integer
end

#should_be_int_but_isnt? ⇒ Boolean 



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# File 'lib/json_test_data/data_structures/number.rb', line 58

def should_be_int_but_isnt?
  type == :integer && !@value.is_a?(Integer)
end

#step_size ⇒ Object 



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# File 'lib/json_test_data/data_structures/number.rb', line 27

def step_size
  return @step_size ||= is_int? ? 1 : 0.5 unless minimum && maximum

  @step_size ||= Number.between(min: minimum, max: maximum, integer: type == :integer) / 3
  is_int? ? @step_size.to_i : @step_size.round(2)
end

#value_divisible_by_factor? ⇒ Boolean 



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# File 'lib/json_test_data/data_structures/number.rb', line 53

def value_divisible_by_factor?
  return true unless factor
  @value % factor == 0
end

#value_too_high? ⇒ Boolean 



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# File 'lib/json_test_data/data_structures/number.rb', line 48

def value_too_high?
  return false unless maximum
  @value >= maximum
end

#value_too_low? ⇒ Boolean 



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# File 'lib/json_test_data/data_structures/number.rb', line 43

def value_too_low?
  return false unless minimum
  @value <= minimum
end