test.spec.rb

require "rubygems"
require "spec/autorun"

%w[foo baar baazs].each do |thing|

  describe "my thing" do
    it "should be larger than 4 chars" do
      thing.size.should > 4
    end
  end

end

## output:

# FF.
# 
# 1)
# 'my thing should be larger than 4 chars' FAILED
# expected: > 4,
#      got:   3
# test.spec.rb:9:
# test.spec.rb:5:
# 
# 2)
# 'my thing should be larger than 4 chars' FAILED
# expected: > 4,
#      got:   4
# test.spec.rb:9:
# test.spec.rb:5:
# 
# Finished in 0.003214 seconds
# 
# 3 examples, 2 failures