active_model_serializers/test/adapter/json_api/has_one_test.rb

require 'test_helper'

module ActiveModel
  class Serializer
    module Adapter
      class JsonApi
        class HasOneTest < ActiveSupport::TestCase
          def setup
            @author = Author.new(id: 1, name: 'Steve K.')
            @bio = Bio.new(id: 43, content: 'AMS Contributor')
            @author.bio = @bio
            @bio.author = @author
            @post = Post.new(id: 42, title: 'New Post', body: 'Body')
            @anonymous_post = Post.new(id: 43, title: 'Hello!!', body: 'Hello, world!!')
            @comment = Comment.new(id: 1, body: 'ZOMG A COMMENT')
            @post.comments = [@comment]
            @anonymous_post.comments = []
            @comment.post = @post
            @comment.author = nil
            @post.author = @author
            @anonymous_post.author = nil
            @blog = Blog.new(id: 1, name: 'My Blog!!')
            @blog.writer = @author
            @blog.articles = [@post, @anonymous_post]
            @author.posts = []
            @author.roles = []

            @virtual_value = VirtualValue.new(id: 1)

            @serializer = AuthorSerializer.new(@author)
            @adapter = ActiveModel::Serializer::Adapter::JsonApi.new(@serializer, include: [:bio, :posts])
          end

          def test_includes_bio_id
            expected = { data: { type: 'bios', id: '43' } }

            assert_equal(expected, @adapter.serializable_hash[:data][:relationships][:bio])
          end

          def test_includes_linked_bio
            @adapter = ActiveModel::Serializer::Adapter::JsonApi.new(@serializer, include: [:bio])

            expected = [
              {
                id: '43',
                type: 'bios',
                attributes: {
                  content: 'AMS Contributor',
                  rating: nil
                },
                relationships: {
                  author: { data: { type: 'authors', id: '1' } }
                }
              }
            ]

            assert_equal(expected, @adapter.serializable_hash[:included])
          end

          def test_has_one_with_virtual_value
            serializer = VirtualValueSerializer.new(@virtual_value)
            adapter = ActiveModel::Serializer::Adapter::JsonApi.new(serializer)

            expected = {
              data: {
                id: '1',
                type: 'virtual_values',
                relationships: {
                  maker: { data: { id: 1 } },
                  reviews: { data: [{ id: 1 }, { id: 2 }] }
                }
              }
            }

            assert_equal(expected, adapter.serializable_hash)
          end
        end
      end
    end
  end
end