RSpec example

my_spec.rb

require 'spec_helper'

class ObjectiveFailure
  def valid?
    false
  end

  def children
    ['ted']
  end

  def name
    nil
  end
end

describe ObjectiveFailure do
  it { should be_valid }
  it { should have(3).children }
  its(:children) { should include('amelia') }
  its(:name) { should eql("barry") }
end

#  Output:
#
#      Iggy:spec russ$ rspec my_example_spec.rb
#  FFFF
#
#  Failures:
#
#    1) ObjectiveFailure
#       Failure/Error: it { should be_valid }
#         expected valid? to return true, got false
#       # ./my_example_spec.rb:16:in `block (2 levels) in <top (required)>'
#
#    2) ObjectiveFailure
#       Failure/Error: it { should have(3).children }
#         expected 3 children, got 1
#       # ./my_example_spec.rb:17:in `block (2 levels) in <top (required)>'
#
#    3) ObjectiveFailure children
#       Failure/Error: its(:children) { should include('amelia') }
#         expected ["ted"] to include "amelia"
#         Diff:
#         @@ -1,2 +1,2 @@
#         -amelia
#         +["ted"]
#       # ./my_example_spec.rb:18:in `block (2 levels) in <top (required)>'
#
#    4) ObjectiveFailure name
#       Failure/Error: its(:name) { should eql("barry") }
#
#         expected "barry"
#              got nil
#
#         (compared using eql?)
#       # ./my_example_spec.rb:19:in `block (2 levels) in <top (required)>'
#
#  Finished in 0.32004 seconds
#  4 examples, 4 failures
#
#  Failed examples:
#
#  rspec ./my_example_spec.rb:16 # ObjectiveFailure
#  rspec ./my_example_spec.rb:17 # ObjectiveFailure
#  rspec ./my_example_spec.rb:18 # ObjectiveFailure children
#  rspec ./my_example_spec.rb:19 # ObjectiveFailure name