Testing out using ActiveSupport's inflector w/o monkey patching String

.rvmrc

rvm use 1.9.3

Gemfile

# A sample Gemfile
source "https://rubygems.org"

gem 'activesupport'
gem 'rspec'

Gemfile.lock

GEM
  remote: https://rubygems.org/
  specs:
    activesupport (3.2.8)
      i18n (~> 0.6)
      multi_json (~> 1.0)
    diff-lcs (1.1.3)
    i18n (0.6.0)
    multi_json (1.3.6)
    rspec (2.11.0)
      rspec-core (~> 2.11.0)
      rspec-expectations (~> 2.11.0)
      rspec-mocks (~> 2.11.0)
    rspec-core (2.11.1)
    rspec-expectations (2.11.1)
      diff-lcs (~> 1.1.3)
    rspec-mocks (2.11.1)

PLATFORMS
  ruby

DEPENDENCIES
  activesupport
  rspec

inflector_spec.rb

require 'active_support/inflector/methods'

describe "Using ActiveSupport's Inflector w/o monkey patching String" do
  it 'supports singularization' do
    expect(ActiveSupport::Inflector.singularize "dogs").to eq("dog")
    expect(ActiveSupport::Inflector.singularize "dog").to eq("dog")
    expect(ActiveSupport::Inflector.singularize "sheep").to eq("sheep")
  end

  it 'supports pluralization' do
    expect(ActiveSupport::Inflector.pluralize "dogs").to eq("dogs")
    expect(ActiveSupport::Inflector.pluralize "dog").to eq("dogs")
    expect(ActiveSupport::Inflector.pluralize "sheep").to eq("sheep")
  end

  it 'does not monkey patch String' do
    expect { "dogs".singularize }.to raise_error(NoMethodError)
    expect { "dog".pluralize }.to raise_error(NoMethodError)
  end
end