Using Faker gem, to create 99 test users in Redmine using rails console

redmine_generate_users_via_console.txt

This code will produce users with first/last names and emails for English language and assumes that English is default
for your Redmine installation

1. Add faker gem to Redmine's Gemfile
gem 'faker', :git => 'https://github.com/faker-ruby/faker.git', :branch => 'master'

2. Run bundle install again

3. Append following to en.yml
https://gist.github.com/acosonic/4569608db998c80fee6a37c104fc352b
(for example (in locales folder) wget -qO- https://gist.githubusercontent.com/acosonic/4569608db998c80fee6a37c104fc352b/raw/3d572a5a958ca3bba732a034800d2c3a6dce678a/faker.yml | tee -a en.yml)


4. Run rails console

5. Use the following code:
99.times do |n| 
  login = Faker::Internet.unique.username
  hashed_password = "dcd3ba2c1c58b25ae87a591140ae4a0e8fd5d704"
  firstname = Faker::Name.unique.first_name
  lastname = Faker::Name.unique.last_name
  status = 1
  mail = Faker::Internet.unique.safe_email
  User.create!(login: login, hashed_password: hashed_password, firstname: firstname, lastname: lastname, status: status, mail: mail)
end


Later to test your users, you can use some of plugins like:
spectator plugin or some other plugin allowing admin to act as different user