Rails 3.1, RSpec: testing model validations

Question

I have started my journey with TDD in Rails and have run into a small issue regarding tests for model validations that I can\'t seem to find a solution to. Let\'s say I have a U

Answer 1

in new version rspec, you should use expect instead should, otherwise you'll get warning:

it "should have valid factory" do
    expect(FactoryGirl.build(:user)).to be_valid
end

it "should require a username" do
    expect(FactoryGirl.build(:user, :username => "")).not_to be_valid
end