Default test helper to make Test::Unit or Minitest more pleasant.

test_helper.rb

require 'test/unit'
# or
# require "minitest"
# require "minitest/autorun"

class Test::Unit::TestCase
# or, for Minitest, do:
# class Minitest::Test

  def self.testing(name)
    @group = name
    yield
    @group = nil
  end

  def self.test(name, &block)
    name.extend(Squish)
    test_name = @group ? "test_: for '#{@group}': #{name.squish}".to_sym : "test_: #{name.squish}".to_sym
    defined = instance_method(test_name) rescue false
    raise "#{test_name} is already defined in #{self}" if defined
    define_method(test_name, &block)
  end

end

module Squish

  def squish
    dup.extend(Squish).squish!
  end

  # Performs a destructive squish. See String#squish.
  def squish!
    strip!
    gsub!(/\s+/, ' ')
    self
  end

end