Module: RSpec::Matchers::EnglishPhrasing

Defined in:
lib/rspec/matchers/english_phrasing.rb

Overview

Facilitates converting ruby objects to English phrases.

Class Method Summary collapse

Class Method Details

.list(obj) ⇒ Object

Note:

The returned string has a leading space except

when given an empty list.

Converts an object (often a collection of objects) into an English list.

list(['banana', 'kiwi', 'mango'])
#=> " \"banana\", \"kiwi\", and \"mango\""

Given an empty collection, returns the empty string.

list([]) #=> ""

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# File 'lib/rspec/matchers/english_phrasing.rb', line 26
def self.list(obj)
  return " #{RSpec::Support::ObjectFormatter.format(obj)}" if !obj || Struct === obj
  items = Array(obj).map { |w| RSpec::Support::ObjectFormatter.format(w) }
  case items.length
  when 0
    ""
  when 1
    " #{items[0]}"
  when 2
    " #{items[0]} and #{items[1]}"
  else
    " #{items[0...-1].join(', ')}, and #{items[-1]}"
  end
end

.split_words(sym) ⇒ Object

Converts a symbol into an English expression.

split_words(:banana_creme_pie) #=> "banana creme pie"

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# File 'lib/rspec/matchers/english_phrasing.rb', line 9
def self.split_words(sym)
  sym.to_s.tr('_', ' ')
end