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NAME testy.rb DESCRIPTION a BDD testing framework for ruby that's mad at the world and plans to kick it's ass in 78 freakin lines of code SYNOPSIS Testy.testing 'your code' do test 'some behaviour' do |result| ultimate = Ultimate.new result.check :name, :expect => 42, :actual => ultimate.answer end end PRINCIPLES AND GOALS . it.should.not.merely.be.a.unit.testing.with.a.clever.dsl . testing should not require learning a framework. ruby is a great framework so testy uses it instead, requiring programmers learn exactly 2 new method calls . testing loc should not dwarf those of the application . testing framework loc should not dwarf those of the application . testing frameworks should *never* alter ruby built-ins nor add methods to Object, Kernel, .et al . the output of tests should be machine parsable for reporting and ci tools to easily integrate with . the output of tests should be beautiful so that humans can read it . the shape of the test file should not insult the programmer so that tests can double as sample code . the testing framework should never alter exception semantics . hi-jacking at_exit sucks ass . the exit status of running a test suite should indicate the degree of it's failure state: the more failures the higher the exit status . sample code should easily be able to double as a test suite, including it's output . testing should improve your code and help your users, not make you want to kill yourself . using a format that aligns in terminal is sanity saving when comparing output . testing frameworks should provide as few shortcuts for making brittle tightly coupled tests as possible SAMPLES <========< samples/a.rb >========> ~ > cat samples/a.rb # simple use of testy involves simply writing code, and recording the result # you expect against the actual result # # notice that the output is very pretty and that the exitstatus is 0 when all # tests pass # require 'testy' Testy.testing 'the kick-ass-ed-ness of testy' do test 'the ultimate answer to life' do |result| list =  list << 42 result.check :a, :expect => 42, :actual => list.first list << 42.0 result.check :b, 42.0, list.last end end ~ > ruby samples/a.rb #=> exitstatus=0 --- the kick-ass-ed-ness of testy: the ultimate answer to life: success: a: 42 b: 42.0 <========< samples/b.rb >========> ~ > cat samples/b.rb # testy will handle unexpected results and exceptions thrown in your code in # exactly the same way - by reporting on them in a beautiful fashion and # continuing to run other tests. notice, however, that an unexpected result # or raised exception will cause a non-zero exitstatus (equalling the number # of failed tests) for the suite as a whole. also note that previously # accumulate expect/actual pairs are still reported on in the error report. # require 'testy' Testy.testing 'the exception handling of testy' do test 'raising an exception' do |result| list =  list << 42 result.check :a, :expect => 42, :actual => list.first list.method_that_does_not_exist end test 'returning unexpected results' do |result| result.check 'a', 42, 42 result.check :b, :expect => 'forty-two', :actual => 42.0 end end ~ > ruby samples/b.rb #=> exitstatus=2 --- the exception handling of testy: raising an exception: failure: error: class: NoMethodError message: undefined method `method_that_does_not_exist' for :Array bactrace: - samples/b.rb:18 - ./lib/testy.rb:63:in `call' - ./lib/testy.rb:63:in `run' - /opt/local/lib/ruby/site_ruby/1.8/orderedhash.rb:65:in `each' - /opt/local/lib/ruby/site_ruby/1.8/orderedhash.rb:65:in `each' - ./lib/testy.rb:59:in `run' - ./lib/testy.rb:87:in `testing' - samples/b.rb:10 expect: a: 42 actual: a: 42 returning unexpected results: failure: expect: a: 42 b: forty-two actual: a: 42 b: 42.0 URI