Implement Grape::Entity::Options#dig with freezing rubocop version #277 + #278

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 #### Features
 
+* [#277](https://github.com/ruby-grape/grape-entity/pull/277): Provide grape::entity::options#dig - [@kachick](https://github.com/kachick).
 * [#265](https://github.com/ruby-grape/grape-entity/pull/265): Adds ability to provide a proc to as: - [@james2m](https://github.com/james2m).
 * [#264](https://github.com/ruby-grape/grape-entity/pull/264): Adds Rubocop config and todo list - [@james2m](https://github.com/james2m).
 * [#255](https://github.com/ruby-grape/grape-entity/pull/255): Adds code coverage w/ coveralls - [@LeFnord](https://github.com/LeFnord).

Gemfile

@@ -4,6 +4,10 @@ source 'http://rubygems.org'
 
 gemspec
 
+group :development, :test do
+ gem 'rubocop', '~> 0.48.0', require: false
+end
+
 group :test do
  gem 'coveralls', require: false
  gem 'growl'

grape-entity.gemspec

@@ -23,7 +23,6 @@ Gem::Specification.new do |s|
 
  s.add_development_dependency 'bundler'
  s.add_development_dependency 'rake'
- s.add_development_dependency 'rubocop', '~> 0.48'
  s.add_development_dependency 'rspec', '~> 3.0'
  s.add_development_dependency 'rack-test'
  s.add_development_dependency 'maruku'

lib/grape_entity/options.rb

@@ -25,6 +25,10 @@ def key?(key)
  @opts_hash.key? key
  end
 
+ def dig(*keys)
+ @opts_hash.dig(*keys)
+ end
+
  def merge(new_opts)
  if new_opts.empty?
  self

spec/grape_entity/entity_spec.rb

@@ -1771,17 +1771,19 @@ class UserEntity < Grape::Entity
  describe Grape::Entity::Options do
  module EntitySpec
  class Crystalline
- attr_accessor :prop1, :prop2
+ attr_accessor :prop1, :prop2, :prop3
 
  def initialize
  @prop1 = 'value1'
  @prop2 = 'value2'
+ @prop3 = 'value3'
  end
  end
 
  class CrystallineEntity < Grape::Entity
  expose :prop1, if: ->(_, options) { options.fetch(:signal) }
  expose :prop2, if: ->(_, options) { options.fetch(:beam, 'destructive') == 'destructive' }
+ expose :prop3, if: ->(_, options) { options.dig(:first, :second) == :nested }
  end
  end
 
@@ -1800,6 +1802,18 @@ class CrystallineEntity < Grape::Entity
  expect(crystalline_entity.as_json).to eq(prop1: 'value1')
  end
  end
+
+ context '#dig' do
+ it 'without passing in a expected option hide the value' do
+ crystalline_entity = EntitySpec::CrystallineEntity.represent(EntitySpec::Crystalline.new, signal: true, first: { invalid: :nested })
+ expect(crystalline_entity.as_json).to eq(prop1: 'value1', prop2: 'value2')
+ end
+
+ it 'passing in a expected option will expose the values' do
+ crystalline_entity = EntitySpec::CrystallineEntity.represent(EntitySpec::Crystalline.new, signal: true, first: { second: :nested })
+ expect(crystalline_entity.as_json).to eq(prop1: 'value1', prop2: 'value2', prop3: 'value3')
+ end
+ end
  end
  end
 end