Can't install RSpec on Rails 5 - Could not find generator 'rspec:install'

Question

My Gemfile has the following:

source 'https://rubygems.org'
ruby '2.3.1'

gem 'rails', '>= 5.0.0.rc2', '< 5.1'

... more gems

group :development, :test do
  gem 'rspec-rails', '~> 3.5'
  gem 'factory_girl_rails', '~> 4.7'
  gem 'byebug'

end

group :test do
  gem 'faker', '~> 1.6', '>= 1.6.3'
  gem 'capybara', '~> 2.7', '>= 2.7.1'
  gem 'database_cleaner', '~> 1.5', '>= 1.5.3'
  gem 'launchy', '~> 2.4', '>= 2.4.3'
  gem 'selenium-webdriver', '~> 2.53', '>= 2.53.4'
  gem 'shoulda-matchers', '~> 3.1', '>= 3.1.1'


end

When I run rails generate rspec install, I get

Expected string default value for '--helper'; got true (boolean)
Expected string default value for '--assets'; got true (boolean)
Expected string default value for '--decorator'; got true (boolean)
Expected string default value for '--decorator'; got true (boolean)
Expected string default value for '--jbuilder'; got true (boolean)
Expected boolean default value for '--markerb'; got :erb (string)
Could not find generator 'rspec:install'. Maybe you meant 'devise:install', 'pundit:install' or 'responders:install'
Run `rails generate --help` for more options.

rails generate --help shows no rspec install

Rspec:
  rspec:decorator
  rspec:policy

my gem list rspec shows.. * LOCAL GEMS *

rspec (3.5.0)
rspec-core (3.5.4)
rspec-expectations (3.5.0)
rspec-mocks (3.5.0)
rspec-support (3.5.0)

I can't seem to install rspec. Is there something I need to do differently?

Did you check stackoverflow.com/questions/3426406/… OR stackoverflow.com/questions/22962048/… ? — Jagdeep Singh

F.Masahiro F.Masahiro · Accepted Answer · 2017-04-21T08:07:28

I had same problem, too.

I solved it this way.

Try this command:

spring stop

then run again:

rails generate rspec:install

【MyError】

Running via Spring preloader in process 23226

Expected boolean default value for '--markerb'; got :erb (string)

Could not find generator 'rspec:install'. Maybe you meant 'responders:install', 'devise:install' or 'channel'

Run rails generate --help for more options.

Can't install RSpec on Rails 5 - Could not find generator 'rspec:install'

1 Answers