rspec core Ruby on Rails -

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hello i'm testing application rspec:

this test file.

require 'spec_helper'  describe recipescontroller     render_views     describe "index"         before             recipe.create!(name: "spaghetti alla carbonara")             recipe.create!(name: "spaghetti alle vongole e cozze")             recipe.create!(name: "bistecca")             recipe.create!(name: "fritto")              xhr :get, :index, format: :json, keywords: keywords         end          subject(:results) { json.parse(response.body) }          def extract_name              ->(object){ object["name"] }          end          context 'quando la ricerca riporta dei risultati'             let(:keywords) { 'spaghetti' }             'essere 200'                 expect(response.status).to eq(200)             end              'deve ritornare due risultati'                 expect(results.size).to eq(2)             end              'deve esserci la ricetta spaghetti alla carbonara'                 expect(results.map(&extract_name)).to include('spaghetti alla carbonara')             end              'deve esserci la ricetta spaghetti alle vongole e cozze '                 expect(results.map(&extract_name)).to include('spaghetti alle vongole e cozze')             end         end          context 'quando la ricerca non riporta alcun risulato'             let(:keywords) { 'tortellini' }             'non deve ritornare alcun risulato'                 expect(results.size).to eq(0)             end         end       end end

when try launch test via command:

rake db:migrate rails_env=test ; rspec spec/controllers/recipes_controller_spec.rb

i recive error

/var/lib/gems/2.1.0/gems/bundler-1.10.1/lib/bundler/runtime.rb:34:in block in setup': have activated rspec-core 3.3.1, gemfile requires rspec-core 2.99.2. prependingbundle exec` command may solve this. (gem::loaderror)

as described in log error conflict rspec-core v3.3.1 in gem file i've added line install rspec-core v2.99.2

gem 'rspec-core', '~> 2.99.2'

but if launch command again (after bundle install , bundle exec) result same. have similar problem?

did try?

bundle exec rake db:migrate rails_env=test bundle exec rspec spec/controllers/recipes_controller_spec.rb

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