Shoulda/RSpec matchers – conditional validation

It doesn’t appear that shoulda_matchers does this, but it’s easy enough to write it yourself::

  context "if eligible" do
    before { allow(subject).to receive(:eligible?).and_return(true) }
    it { should validate_presence_of(:name) }
  end

  context "if ineligible" do
    before { allow(subject).to receive(:eligible?).and_return(false) }
    it { should_not validate_presence_of(:name) }
  end