Rakefile

require 'bundler/gem_tasks'
require 'rake/testtask'

def run_command_in_test_apps(command)
  test_apps_pattern = 'test/test_apps/[0-9]*'
  Dir.glob(test_apps_pattern).each do |test_app_directory|
    gemfile_path = File.expand_path("../#{test_app_directory}/Gemfile", __FILE__)
    test_app_path = File.expand_path("../#{test_app_directory}", __FILE__)

    specific_gemfile_env = Bundler.clean_env
    specific_gemfile_env['BUNDLE_GEMFILE'] = gemfile_path

    puts '---------------------',
         "Gemfile: #{gemfile_path}",
         "Directory: #{test_app_path}",
         "Command: '#{command}'",
         '---------------------'

    Bundler.send(:with_env, specific_gemfile_env) do
      exit_status_was_zero = system("cd #{test_app_path} && #{command}")
      raise unless exit_status_was_zero
    end
  end
end

namespace :test do
  desc 'Run unit tests'
  Rake::TestTask.new(:units) do |t|
    t.libs << 'test'
    t.libs << 'lib'
    t.test_files = FileList['test/sprockets/bumble_d/**/*_test.rb']
  end

  desc 'Run integration tests on all test apps'
  task :integration do
    run_command_in_test_apps('bundle exec rake test')
  end

  namespace :integration do
    desc 'Resolve and install dependencies for all test apps'
    task :install do
      run_command_in_test_apps('bundle check || bundle install')
      run_command_in_test_apps('npm install')
    end
  end
end

task default: ['test:units', 'test:integration']