RSpec.shared_examples "an active element" do
  describe ".new" do
    it "should have empty error" do
      expect(subject.error).to eq ""
    end

    it "should not be required if its parent is not visible" do
      group_options[:visible] = false
      options[:required] = true
      expect(subject.required?).to eq false
    end

    it "should have a nil value" do
      expect(subject.value).to be nil
    end

    it "should have a value from form params" do
      resolver_options[:params]= {"group_element_name" => "element_value" }
      expect(subject.value).to eq "element_value"
    end

    it "should have a value from element structure" do
      options[:value] = "element_value"
      expect(subject.value).to eq "element_value"
    end
  end

  describe "#valid?" do
    context "when required" do
      before(:each) { options[:required] = true }

      it "is valid" do
        subject.value = "value"
        expect(subject.valid?).to eq true
        expect(subject.error).to eq ''
      end

      it "is invalid" do
        subject.value = ''
        expect(subject.valid?).to eq false
        expect(subject.error).to eq 'This field is required'
      end
    end
  end

  describe "#to_hash" do
    it 'should include required, value and error' do
      options.merge!(value: '', required: true)
      expect(subject.to_hash).to include(:required, :value, :error)
    end
  end
end