game_spec.rb

require 'spec_helper'

describe Game do
  subject { FactoryGirl.build :game }
  
  it "requires a title" do
    subject.title = ""
    subject.save.should be_false
    subject.errors.should include("can't be blank")
  end
end

gistfile1.txt

› rake spec
/Users/rpowell/.rvm/rubies/ruby-1.9.3-p0/bin/ruby -S rspec ./spec/controllers/games_controller_spec.rb ./spec/helpers/games_helper_spec.rb ./spec/models/game_spec.rb ./spec/views/games/new.html.erb_spec.rb
.F

Failures:

  1) Game requires a title
     Failure/Error: subject.errors.should include("can't be blank")
       expected #<ActiveModel::Errors:0x007fa4ee1a6c98 @base=#<Game id: nil, title: "", created_at: nil, updated_at: nil>, @messages={:title=>["can't be blank"]}> to include "can't be blank"
       Diff:
       @@ -1,2 +1,4 @@
       -["can't be blank"]
       +#<ActiveModel::Errors:0x007fa4ee1a6c98
       + @base=#<Game id: nil, title: "", created_at: nil, updated_at: nil>,
       + @messages={:title=>["can't be blank"]}>
     # ./spec/models/game_spec.rb:9:in `block (2 levels) in <top (required)>'

Finished in 0.07394 seconds
2 examples, 1 failure

Failed examples:

rspec ./spec/models/game_spec.rb:6 # Game requires a title
rake aborted!
/Users/rpowell/.rvm/rubies/ruby-1.9.3-p0/bin/ruby -S rspec ./spec/controllers/games_controller_spec.rb ./spec/helpers/games_helper_spec.rb ./spec/models/game_spec.rb ./spec/views/games/new.html.erb_spec.rb failed

Tasks: TOP => spec
(See full trace by running task with --trace)