Module: RSpec::Matchers::Pretty

Included in:
BuiltIn::BaseMatcher, DSL::Matcher
Defined in:
lib/rspec/matchers/pretty.rb

Instance Method Summary collapse

Instance Method Details

#_pretty_print(array) ⇒ Object 



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# File 'lib/rspec/matchers/pretty.rb', line 23

def _pretty_print(array)
  result = ""
  array.each_with_index do |item, index|
    if index < (array.length - 2)
      result << "#{item.inspect}, "
    elsif index < (array.length - 1)
      result << "#{item.inspect} and "
    else
      result << "#{item.inspect}"
    end
  end
  result
end

#expected_to_sentence ⇒ Object 



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# File 'lib/rspec/matchers/pretty.rb', line 41

def expected_to_sentence
  to_sentence(@expected) if defined?(@expected)
end

#name ⇒ Object 



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# File 'lib/rspec/matchers/pretty.rb', line 45

def name
  defined?(@name) ? @name : underscore(self.class.name.split("::").last)
end

#name_to_sentence ⇒ Object 



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# File 'lib/rspec/matchers/pretty.rb', line 37

def name_to_sentence
  split_words(name)
end

#split_words(sym) ⇒ Object 



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# File 'lib/rspec/matchers/pretty.rb', line 4

def split_words(sym)
  sym.to_s.gsub(/_/,' ')
end

#to_sentence(words) ⇒ Object 



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# File 'lib/rspec/matchers/pretty.rb', line 8

def to_sentence(words)
  return "" unless words
  words = Array(words).map{|w| w.inspect}
  case words.length
    when 0
      ""
    when 1
      " #{words[0]}"
    when 2
      " #{words[0]} and #{words[1]}"
    else
      " #{words[0...-1].join(', ')}, and #{words[-1]}"
  end
end

#underscore(camel_cased_word) ⇒ Object

Borrowed from ActiveSupport



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# File 'lib/rspec/matchers/pretty.rb', line 50

def underscore(camel_cased_word)
  word = camel_cased_word.to_s.dup
  word.gsub!(/([A-Z]+)([A-Z][a-z])/,'\1_\2')
  word.gsub!(/([a-z\d])([A-Z])/,'\1_\2')
  word.tr!("-", "_")
  word.downcase!
  word
end