require 'spec_helper'

module Europeana
  describe API do
    let(:api_key) { 'xyz' }
    let(:record_id) { '/abc/1234' }
    let(:params) { { callback: 'doSomething();' } }

    before(:each) do
      described_class.defaults!
    end

    describe '.url' do
      it 'defaults to the live API URL' do
        expect(subject.url).to eq('http://www.europeana.eu/api/v2')
      end
    end

    describe '.url=' do
      let(:url) { 'http://www.example.com/v2' }
      it 'accepts override of the API URL' do
        described_class.url = url
        expect(described_class.instance_variable_get(:@url)).to eq(url)
      end
    end

    describe ".api_key=" do
      it "sets the API key" do
        described_class.api_key = api_key
        expect(described_class.instance_variable_get(:@api_key)).to eq(api_key)
      end
    end

    describe ".api_key" do
      it "gets the API key" do
        described_class.instance_variable_set(:@api_key, api_key)
        expect(described_class.api_key).to eq(api_key)
      end
    end

    describe ".max_retries" do
      it "defaults to 5" do
        expect(described_class.max_retries).to eq(5)
      end
    end

    describe ".max_retries=" do
      it "sets the maximum number of retries" do
        described_class.max_retries = 2
        expect(described_class.max_retries).to eq(2)
      end
    end

    describe ".retry_delay" do
      it "defaults to 10" do
        expect(described_class.retry_delay).to eq(10)
      end
    end

    describe ".retry_delay=" do
      it "sets the retry delay" do
        described_class.retry_delay = 3
        expect(described_class.retry_delay).to eq(3)
      end
    end

    describe ".defaults!" do
      it "sets the API URL to its default" do
        described_class.url = 'http://www.example.com/v2'
        expect { described_class.defaults! }.
          to change { described_class.url }.
          from('http://www.example.com/v2').
          to('http://www.europeana.eu/api/v2')
      end

      it "sets retry delay to its default" do
        described_class.retry_delay = 3
        expect { described_class.defaults! }.to change { described_class.retry_delay }.from(3).to(10)
      end

      it "sets max retries to its default" do
        described_class.max_retries = 3
        expect { described_class.defaults! }.to change { described_class.max_retries }.from(3).to(5)
      end
    end

    describe ".search" do
      subject { described_class.search(params) }
      it_behaves_like "search request"
    end

    describe ".record" do
      subject { described_class.record(record_id, params) }
      it_behaves_like "record request"
    end
  end
end