How to color unit tests with lib minitest or Test:Unit?
I would like to have unit tests output color in my dev environment. However, I can't make it work on Linux (Debian and Ubuntu). When I include the following libs:
require 'minitest/autorun'
require 'minitest/unit'
require 'minitest/pride'
I get:
/usr/local/rvm/gems/ruby-1.9.2-p136/gems/minitest-2.3.1/lib/minitest/pride.rb:35:in `<top (required)>': undefined method `output' for MiniTest::Unit:Class (NoMethodError)
caused by the code:
MiniTest::Unit.output = PrideIO.new(MiniTest::Unit.output)
I have seen a working Rspec variant. Unfortunately, my Ruby knowledge is not enough to see differences.
Solution
As of late 2023 the accepted answer no longer works. The following, however, does.
require "minitest"
Minitest.load_plugins
require "minitest/pride"
Include the above code in e.g. test/test_helper.rb, or in wherever you put code common to all of your tests. This will give you test runs that look similar to this:
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