Constants in minitest/rspec describe blocks

Constants defined in describe blocks are global, so don’t do this:

describe "something" do
  XXX = 1
end
XXX # does not blow up since XXX is now global

But this works:

describe "something" do
  self::XXX = 1

  describe "Hey #{self::XXX}" do
    it "something" do
      self.class::XXX == 1
    end
  end
end

XXX # blows up since XXX is not global

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s