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Cannot activate activemodel-3.2.15, because activesupport-4.0.1 conflicts

Getting this error while trying to run my rspec tests (all or all):

Unable to activate activemodel-3.2.15, because activesupport-4.0.1 conflicts 
with activesupport (= 3.2.15), builder-3.1.4 conflicts with builder (~> 3.0.0)

In my gemfile there is:

source 'https://rubygems.org'
rails_version = '~> 4.0.0.rc2'
gem 'activerecord', rails_version
gem 'actionpack',   rails_version
gem 'rspec', '~> 2.6.0'
gem 'mocha', '~> 0.9.8'
gem 'mongoid', '~> 2.0'
gem 'sqlite3', '~> 1.3.6'
group :mysql do
  gem 'mysql', '~> 2.9'
  gem 'mysql2', '~> 0.3.10'
end
gem 'pg', '~> 0.11', :group => :pg
group :development do
  gem 'ruby-debug', :platforms => :mri_18
  gem 'debugger', :platforms => :mri_19
end

Not sure what to change / how to fix.

I tried:

  • version of various rails - 4.0.0and3.2.8
  • requires "activemodel" instead of activerecord and actionpack

and binding after each, but did not help.

Ruby Version 1.9.3-p194

I tried ruby ​​2.0, but this gives errors about wrong number of arguments (1 for 0)

I think the problem is with Mongoid.

The test code starts as follows:

before(:all) do
  MongoidModel.delete_all
  4.times { MongoidModel.create! }
end

let(:criteria) { MongoidModel.criteria }

describe "#page" do
  it "should forward to the paginate method" do
    expect(criteria(:paginate).with(:page => 2)).to returns("itself")
    expect(criteria.page(2)).to eq "itself"
  end

I added Mongoid to the Gemfile. The problem may be that its version is not compatible with ruby ​​2 or rails 4, but not sure, and attempts to solve were unsuccessful.

I tried the moped gem and bundled, but then gotcannot load such file -- mongoid

gem 'mongoid', github: 'mongoid/mongoid' bundle d, , .

+4
1

Rails 3.x, Rails 4.x, .

, :

bundle exec rake spec

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, bundle install, gem, .

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