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Migrate from Rspec to Minitest with Rails

Published on 2014-09-24

New Rspec has released, with lots of DSL changes. Every rspecer is painfull. ^_^

Minitest is so lightweight, cute and simple. Why was I so stuip to choose Rspec?

This article will show you how to migrate from rspec to minitest.

Gemfile

Add ‘minitest_rails’ and ‘mocha’ to gemfile

# Rails4 use minitest as default testing framework, if your rails version is greater than 4.0, you can skip this step.
gem "minitest"
gem "minitest-rails"

MiniTest::Mock is not so power, we use Mocha instead.

gem "mocha", :require => false

Gem Turn is great way to view test results. you can see exact result of every test (Success, Faiure and Why).

gem "turn", :require => false

test_helper.rb

  1. After installed ‘minitest-rails’, you can run rails generate minitest:install to add test_helper.rb to the test directory.

  2. require

require "minitest/autorun"
require "minitest/rails"
require "mocha/setup"

FactoryGirl

Don’t worry. Factory can find all the factories under spec/. old factories will be load when you run rake test. But you’d better put new factories into test/.

Rakefile

Add pattern in you Rakefile, additional testing tasks defined in “test/*/_test.rb” will be evaluated when you run Rake test

Rake::TestTask.new do |t|
  t.libs << "test"
  t.test_files = FileList['test/**/*_test.rb']
  t.verbose = true
end

Bingo, it works

run rake test


吕小荣 at 22:23
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