Forked minitest to add Fuubar like functionality
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= minitest/* * http://rubyforge.org/projects/bfts == DESCRIPTION: minitest provides a complete suite of testing facilities supporting TDD, BDD, mocking, and benchmarking. minitest/unit is a small and incredibly fast unit testing framework. It provides a rich set of assertions to make your tests clean and readable. minitest/spec is a functionally complete spec engine. It hooks onto minitest/unit and seamlessly bridges test assertions over to spec expectations. minitest/benchmark is an awesome way to assert the performance of your algorithms in a repeatable manner. Now you can assert that your newb co-worker doesn't replace your linear algorithm with an exponential one! minitest/mock by Steven Baker, is a beautifully tiny mock object framework. minitest/pride shows pride in testing and adds coloring to your test output. minitest/unit is meant to have a clean implementation for language implementors that need a minimal set of methods to bootstrap a working test suite. For example, there is no magic involved for test-case discovery. == FEATURES/PROBLEMS: * minitest/autorun - the easy and explicit way to run all your tests. * minitest/unit - a very fast, simple, and clean test system. * minitest/spec - a very fast, simple, and clean spec system. * minitest/mock - a simple and clean mock system. * minitest/benchmark - an awesome way to assert your algorithm's performance. * minitest/pride - show your pride in testing! * Incredibly small and fast runner, but no bells and whistles. == RATIONALE: See design_rationale.rb to see how specs and tests work in minitest. == SYNOPSIS: Given that you'd like to test the following class: class Meme def i_can_has_cheezburger? "OHAI!" end def does_it_blend? "YES!" end end === Unit tests require 'minitest/autorun' class TestMeme < MiniTest::Unit::TestCase def setup @meme = Meme.new end def test_that_kitty_can_eat assert_equal "OHAI!", @meme.i_can_has_cheezburger? end def test_that_it_doesnt_not_blend refute_match /^no/i, @meme.does_it_blend? end end === Specs require 'minitest/autorun' describe Meme do before do @meme = Meme.new end describe "when asked about cheeseburgers" do it "must respond positively" do @meme.i_can_has_cheezburger?.must_equal "OHAI!" end end describe "when asked about blending possibilities" do it "won't say no" do @meme.does_it_blend?.wont_match /^no/i end end end === Benchmarks Add benchmarks to your regular unit tests. If the unit tests fail, the benchmarks won't run. # optionally run benchmarks, good for CI-only work! require 'minitest/benchmark' if ENV["BENCH"] class TestMeme < MiniTest::Unit::TestCase # Override self.bench_range or default range is [1, 10, 100, 1_000, 10_000] def bench_my_algorithm assert_performance_linear 0.9999 do |n| # n is a range value n.times do @obj.my_algorithm end end end end Or add them to your specs. If you make benchmarks optional, you'll need to wrap your benchmarks in a conditional since the methods won't be defined. describe Meme do if ENV["BENCH"] then bench_performance_linear "my_algorithm", 0.9999 do |n| 100.times do @obj.my_algorithm(n) end end end end outputs something like: # Running benchmarks: TestBlah 100 1000 10000 bench_my_algorithm 0.006167 0.079279 0.786993 bench_other_algorithm 0.061679 0.792797 7.869932 Output is tab-delimited to make it easy to paste into a spreadsheet. === Mocks class MemeAsker def initialize(meme) @meme = meme end def ask(question) method = question.tr(" ","_") + "?" @meme.send(method) end end require 'minitest/autorun' describe MemeAsker do before do @meme = MiniTest::Mock.new @meme_asker = MemeAsker.new @meme end describe "#ask" do describe "when passed an unpunctuated question" do it "should invoke the appropriate predicate method on the meme" do @meme.expect :does_it_blend?, :return_value @meme_asker.ask "does it blend" @meme.verify end end end end == REQUIREMENTS: * Ruby 1.8, maybe even 1.6 or lower. No magic is involved. == INSTALL: sudo gem install minitest On 1.9, you already have it. To get newer candy you can still install the gem, but you'll need to activate the gem explicitly to use it: require 'rubygems' gem 'minitest' # ensures you're using the gem, and not the built in MT require 'minitest/autorun' # ... usual testing stuffs ... == LICENSE: (The MIT License) Copyright (c) Ryan Davis, Seattle.rb Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.