8000 UUID No such file or directory ~/.gem/ruby/3.3.3/gems/ffaker-2.23.0/lib/ffaker/data/f_faker/uuid · Issue #550 · ffaker/ffaker · GitHub
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UUID No such file or directory ~/.gem/ruby/3.3.3/gems/ffaker-2.23.0/lib/ffaker/data/f_faker/uuid #550

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marko-avlijas opened this issue Oct 28, 2024 · 0 comments
Open

UUID No such file or directory ~/.gem/ruby/3.3.3/gems/ffaker-2.23.0/lib/ffaker/data/f_faker/uuid #550

marko-avlijas opened this issue Oct 28, 2024 · 0 comments

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@marko-avlijas
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marko-avlijas commented Oct 28, 2024 •
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Description

When calling any method from UUID module from a new Rails app, const_missing raises Errno::ENOENT: No such file or directory.

Steps to Reproduce

  1. Create a new Rails application:
rails new ffaker-test \
  --minimal \
  --skip-action-mailer \
  --skip-action-mailbox \
  --skip-action-text \
  --skip-active-storage \
  --skip-hotwire \
  --skip-jbuilder \
  --database=sqlite3
  1. Change into the project directory:
cd ffaker-test
  1. Add the following gems to your Gemfile in the development and test groups:
group :development, :test do
  gem 'rspec-rails'
  gem 'ffaker'
end
  1. Install the gems:
bundle install
  1. Initialize RSpec:
rails generate rspec:install
  1. Create a new test file spec/ffaker_uuid_spec.rb:
require 'rails_helper'
require 'ffaker'

RSpec.describe 'FFaker UUID' do
  describe '.uuidv4' do
    it 'returns a string' do
      uuid = FFaker::UUID.uuidv4
      expect(uuid).to be_a(String)
    end
  end
end
  1. Setup database
rails db:create db:migrate
  1. Run the test:
bundle exec rspec

Error Output

Failures:
  1) FFaker UUID .uuidv4 returns a string
     Failure/Error: uuid = FFaker::UUID.uuidv4
     Errno::ENOENT:
       No such file or directory @ rb_sysopen - ~/.gem/ruby/3.3.3/gems/ffaker-2.23.0/lib/ffaker/data/f_faker/uuid
     # ~/.gem/ruby/3.3.3/gems/ffaker-2.23.0/lib/ffaker/utils/module_utils.rb:21:in `read'
     # ~/.gem/ruby/3.3.3/gems/ffaker-2.23.0/lib/ffaker/utils/module_utils.rb:21:in `const_missing'
     # ./spec/ffaker_uuid_spec.rb:7:in `block (3 levels) in <top (required)>'

Defect

ffaker/lib/ffaker/utils/module_utils.rb

Lines 15 to 25 in c354c44

def const_missing(const_name)
if const_name.match?(/[a-z]/) # Not a constant, probably a class/module name.
super(const_name)
else
mod_name = ancestors.first.to_s.split('::').last
data_path = "#{FFaker::BASE_LIB_PATH}/ffaker/data/#{underscore(mod_name)}/#{underscore(const_name.to_s)}"
data = k File.read(data_path, mode: 'r:UTF-8').split("\n")
const_set const_name, data
data
end
end

Environment

  • Ruby version: 3.3.3
  • FFaker version: 2.23.0
  • Rails version: latest

Expected Behavior

The FFaker::UUID.uuidv4 method should return a string representing a UUID.

Actual Behavior

The method fails with a "No such file or directory" error, indicating that FFaker is trying to load a data file that doesn't exist.
@marko-avlijas marko-avlijas changed the title UUID No such file or directory /#{HOME}/.gem/ruby/3.3.3/gems/ffaker-2.23.0/lib/ffaker/data/f_faker/uuid UUID No such file or directory ~/.gem/ruby/3.3.3/gems/ffaker-2.23.0/lib/ffaker/data/f_faker/uuid Oct 28, 2024
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