When trying to run rspec, I get "uninitialized constant ActiveModel"

Question

When I run rspec spec I get the following:

/usr/local/lib/ruby/gems/1.9.1/gems/rspec-rails-2.7.0/lib/rspec/rails/extensions/active_record/base.rb:26:in `': uninitialized constant ActiveModel (NameError)
    from /usr/local/lib/ruby/gems/1.9.1/gems/rspec-rails-2.7.0/lib/rspec/rails/extensions.rb:1:in `require'
    from /usr/local/lib/ruby/gems/1.9.1/gems/rspec-rails-2.7.0/lib/rspec/rails/extensions.rb:1:in `'
    from /usr/local/lib/ruby/gems/1.9.1/gems/rspec-rails-2.7.0/lib/rspec/rails.rb:8:in `require'
    from /usr/local/lib/ruby/gems/1.9.1/gems/rspec-rails-2.7.0/lib/rspec/rails.rb:8:in `'
    from /Users/noahc/Dropbox/perfect_setup/spec/spec_helper.rb:4:in `require'
    from /Users/noahc/Dropbox/perfect_setup/spec/spec_helper.rb:4:in `'
    from /Users/noahc/Dropbox/perfect_setup/spec/controllers/pages_controller_spec.rb:1:in `require'
    from /Users/noahc/Dropbox/perfect_setup/spec/controllers/pages_controller_spec.rb:1:in `'
    from /usr/local/lib/ruby/gems/1.9.1/gems/rspec-core-2.7.1/lib/rspec/core/configuration.rb:459:in `load'
    from /usr/local/lib/ruby/gems/1.9.1/gems/rspec-core-2.7.1/lib/rspec/core/configuration.rb:459:in `block in load_spec_files'
    from /usr/local/lib/ruby/gems/1.9.1/gems/rspec-core-2.7.1/lib/rspec/core/configuration.rb:459:in `map'
    from /usr/local/lib/ruby/gems/1.9.1/gems/rspec-core-2.7.1/lib/rspec/core/configuration.rb:459:in `load_spec_files'
    from /usr/local/lib/ruby/gems/1.9.1/gems/rspec-core-2.7.1/lib/rspec/core/command_line.rb:18:in `run'
    from /usr/local/lib/ruby/gems/1.9.1/gems/rspec-core-2.7.1/lib/rspec/core/runner.rb:80:in `run_in_process'
    from /usr/local/lib/ruby/gems/1.9.1/gems/rspec-core-2.7.1/lib/rspec/core/runner.rb:69:in `run'
    from /usr/local/lib/ruby/gems/1.9.1/gems/rspec-core-2.7.1/lib/rspec/core/runner.rb:10:in `block in autorun'

My spec_helper.rb looks like this:

ENV["RAILS_ENV"] ||= 'test'
require 'spec_helper'
require 'rspec/rails'
require 'rspec/autorun'
require 'spork'

Spork.prefork do
  ENV['RAILS_ENV'] ||= 'test'
  require File.expand_path('../../config/environment', __FILE__)
  require 'rspec/rails'

  RSpec.configure do |config|
    config.mock_with :rspec
    config.fixture_path = "#{Rails.root}/spec/fixtures"
    config.use_transactional_fixtures = true

    ActiveSupport::Dependencies.clear
  end
end

Spork.each_run do
  load "#{Rails.root}/config/routes.rb"
  Dir["#{Rails.root}/app/**/*.rb"].each {|f| load f}
end

Dir[Rails.root.join("spec/support/**/*.rb")].each {|f| require f}

RSpec.configure do |config|
  config.mock_with :rspec
  config.fixture_path = "#{::Rails.root}/spec/fixtures"
  config.use_transactional_fixtures = true
  config.infer_base_class_for_anonymous_controllers = false
end

Dir[Rails.root.join('spec/support/**/*.rb')].each{|f| require f}

If I delete my pages_controller_spec file the errors go away. But I have zero specs to run.

The error returns when I have something even as simple as this:

require 'spec_helper'

describe PagesController do
  it "should do something..."
end

Also, if I add any tests no matter where I get the same error.

Any clues on other things I can try?

Have you tried bundle exec guard start?

topek
– topek

2011-11-08 18:11:13 +00:00
Commented Nov 8, 2011 at 18:11 — topek
– topek, Commented Nov 8, 2011 at 18:11
@topek that resulted in the same error.

Noah Clark
– Noah Clark

2011-11-08 18:28:00 +00:00
Commented Nov 8, 2011 at 18:28 — Noah Clark
– Noah Clark, Commented Nov 8, 2011 at 18:28

John Bachir · Accepted Answer · 2011-11-09 05:33:02Z

5

Why are you running rspec spec? The typical thing to run is rake spec.

Try bundle exec rspec spec or bundle exec rake spec.

If that doesn't work, try to see if something is wrong with the rest of your environment -- try bundle exec rails console and bundle exec rails server

Another thing to check, is there anything odd in .rspec in your project file, or ~/.rspec?

answered Nov 9, 2011 at 5:33

John Bachir

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5 Comments

Noah Clark Over a year ago

I reset up the whole rails project in a new project and that fixed it. The 'rspec spec' came from the Rails Tutorial by MH.

simo Over a year ago

is this issue related to this question here: devnet.jetbrains.net/message/… ?

Zyren Over a year ago

I am encountering this same issue. @NoahClark, what exactly do you mean by "i reset up the whole rails project in a new project? Did you create a new project and just transfer the files one by one until it was working?

Noah Clark Over a year ago

@Zyren yeah, that's probably what I did not sure as it's been a couple years. Might want to check your models as that seems to be the issue.

Zyren Over a year ago

I figured out what it is. I had a duplicate line in my spec_helper from copying/pasting stuff into it and it caused that error.

Mike Blyth · Accepted Answer · 2013-04-06 09:58:48Z

3

Found this thread while debugging the same symptoms. Here is another reason for the error: I had run

rspec --init

but had failed to run

rails generate rspec:install

Doing the latter fixed the problem.

answered Apr 6, 2013 at 9:58

Mike Blyth

4,2685 gold badges33 silver badges42 bronze badges

1 Comment

superluminary Over a year ago

Same here, I had run rspec --init, but not rails generate rspec:install. The Rails generator includes Rails.root in the spec helper.

yanychar · Accepted Answer · 2014-01-12 23:56:49Z

2

In my case

  gem "spork-rails", "~> 4.0.0"

was missing in ./Gemfile.

answered Jan 12, 2014 at 23:56

yanychar

6526 silver badges13 bronze badges

1 Comment

user2611793 Over a year ago

Also you must add ` gem 'spork', '~> 1.0.0rc4'` to your gemfile regardless of what SporkRails says. SporkRails will not find it by itself.

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