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RSpec matchers for jsonapi-serializer.
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 Dependencies

Runtime

 Project Readme

RSpecJSONAPISerializer

RSpec matchers for the jsonapi-serializer gem.

Installation

Add this line to your application's Gemfile:

gem 'rspec_jsonapi_serializer'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install rspec_jsonapi_serializer

Usage

Add this line to your RSpec config in rails_helper.rb (or spec_helper.rb if you're not using Rails):

RSpec.configure do |config|
  config.include(RSpecJSONAPISerializer::Matchers, type: :serializer)
end

Given the following serializer class:

# app/serializers/user_serializer.rb

class UserSerializer
  include JSONAPI::Serializer

  set_type :user

  belongs_to :team
  has_one    :blog
  has_many   :blog_posts, serializer: PostSerializer

  attributes :first_name, :last_name, :email

  attribute :created_at do |user|
    user.created_at.iso8601
  end

  attribute :updated_at do |user|
    user.updated_at.iso8601
  end

  meta do |user|
    {
      blog_posts_count: user.blog_posts_count
    }
  end

  link(:self) { |user| "example.com/path/to/user/#{user.id}" }
end

This is how to use rspec_jsonapi_serializer in your tests:

# spec/serializers/user_serializer_spec.rb

RSpec.describe UserSerializer, type: :serializer do
  subject { described_class.new(user) }

  let(:user) do
    User.new(
      id: 1,
      first_name: 'John',
      last_name: 'Doe',
      email: 'john.doe@example.com',
      created_at: Time.utc(2021),
      updated_at: Time.utc(2021)
    )
  end

  it { is_expected.to have_type(:user) }

  it { is_expected.to belong_to(:team) }
  it { is_expected.to have_one(:blog) }
  it { is_expected.to have_many(:blog_posts).serializer(PostSerializer) }

  it { is_expected.to serialize_attribute(:first_name) }
  it { is_expected.to serialize_attribute(:last_name) }
  it { is_expected.to serialize_attribute(:email) }
  it { is_expected.to serialize_attribute(:created_at).as('2021-01-01T00:00:00Z') }
  it { is_expected.to serialize_attribute(:updated_at).as('2021-01-01T00:00:00Z') }

  it { is_expected.to serialize_meta(:blog_posts_count).as(0) }
  it { is_expected.to serialize_link(:self).as('example.com/path/to/user/1') }
end

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and the created tag, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/mateuscruz/rspec_jsonapi_serializer. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the code of conduct.

License

The gem is available as open source under the terms of the MIT License.

Code of Conduct

Everyone interacting in the RSpecJSONAPISerializer project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.