Module: ObjectExtensions::ArrayExtensions

Defined in:
lib/vignette/object_extensions.rb

Overview

Extensions to the Array object

Instance Method Summary collapse

Instance Method Details

#crc ⇒ Object 



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# File 'lib/vignette/object_extensions.rb', line 12

def crc
  Zlib.crc32(self.join)
end

#vignette(name = nil, expect_consistent_name: true) ⇒ Object

Test will select a random object from the Array



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# File 'lib/vignette/object_extensions.rb', line 17

def vignette(name=nil, expect_consistent_name: true)
  vignette_crc = self.crc().abs.to_s(16)

  key = "vignette_#{vignette_crc}"
  test_name = nil

  vig = Vignette.vig

  test_name = if expect_consistent_name && name.present?
    name
  elsif vig[vignette_crc]
    vig[vignette_crc]['n']
  elsif name.present? # this logic looks weird, but this is if we don't expect consistent names *and* we don't have a name in v[]
    name
  else
    loc = caller_locations(1,1).first
    "(#{Vignette::strip_path(loc.absolute_path)}:#{loc.lineno})"
  end

  result = if vig.has_key?(vignette_crc)
    vig[vignette_crc]['v']
  else
    # Store key into storage if not available
    new_value = self[Kernel.rand(length)]

    Vignette.set_vig( vig.merge(vignette_crc => { n: test_name, v: new_value, t: Time.now.to_i }) )

    new_value
  end

  return result
end