describe Watcher, type: 'model' do
  context 'validations' do
    it 'requires an email address or an associated user' do
      watcher = Fabricate.build(:watcher, email: nil, user: nil)
      expect(watcher).to_not be_valid
      expect(watcher.errors[:base]).to include("You must specify either a user or an email address")

      watcher.email = 'watcher@example.com'
      expect(watcher).to be_valid

      watcher.email = nil
      expect(watcher).to_not be_valid

      watcher.user = Fabricate(:user)
      watcher.watcher_type = 'user'
      expect(watcher).to be_valid
    end
  end

  context 'address' do
    it "returns the user's email address if there is a user" do
      user = Fabricate(:user, email: 'foo@bar.com')
      watcher = Fabricate(:user_watcher, user: user)
      expect(watcher.address).to eq 'foo@bar.com'
    end

    it "returns the email if there is no user" do
      watcher = Fabricate(:watcher, email: 'widgets@acme.com')
      expect(watcher.address).to eq 'widgets@acme.com'
    end
  end
end