renehernandez/ghost_rb

# frozen_string_literal: true

require 'spec_helper'

RSpec.describe PostsController do
  let(:ctrl) do
    client = Client.new(ENV['URL'],
                        ENV['CLIENT_ID'],
                        ENV['CLIENT_SECRET'])
    PostsController.new(client)
  end

  context '#new' do
    it 'does not throw exception' do
      expect { ctrl }.not_to raise_error
    end
  end

  context 'attr hydration' do
    it 'returns nil for plaintext by default' do
      post = ctrl.limit(1).all[0]

      expect(post.plaintext).to be_nil
    end

    it 'return plaintext if format is set' do
      post = ctrl.limit(1).formats('plaintext').all[0]

      expect(post.plaintext).not_to be_nil
    end
  end

  context '#all' do
    it 'returns posts array' do
      posts = ctrl.all

      expect(posts).to be_a(Array)
      expect(posts[0]).to be_a(Post)
    end
  end

  context '#limit' do
    it 'returns 1 post' do
      expect(ctrl.limit(1).all.size).to eql(1)
    end
  end

  context '#includes' do
    it 'adds author information' do
      post = ctrl.include('author').limit(1).all[0]
      expect(post.author).to be_a(User)
    end

    it 'adds tags information' do
      post = ctrl.include('tags').limit(1).all[0]
      expect(post.tags).to be_a(Array)
      expect(post.tags[0]).to be_a(Tag)
    end
  end

  context '#find_by' do
    it 'throws GhostRb::Errors::RequestError with invalid id' do
      expect { ctrl.find_by(id: -1) }.to raise_error(RequestError)
    end

    it 'throws GhostRb::Errors::RequestError with invalid slug' do
      expect { ctrl.find_by(slug: 'not-present') }.to raise_error(RequestError)
    end
  end

  context 'multiple queries' do
    it 'do not modify previous ctrl params' do
      ctrl_one = ctrl.limit(1)
      ctrl_two = ctrl_one.include('tags')

      expect(ctrl_one).not_to eql(ctrl_two)
      expect(ctrl_one.params).not_to eql(ctrl_two.params)
    end
  end
end