class Rails::TestUnit::Runner

# File railties/lib/rails/test_unit/runner.rb, line 27
def attach_before_load_options(opts)
  opts.on("--warnings", "-w", "Run with Ruby warnings enabled") { }
  opts.on("-e", "--environment ENV", "Run tests in the ENV environment") { }
end

# File railties/lib/rails/test_unit/runner.rb, line 78
def compose_filter(runnable, filter)
  filter = normalize_declarative_test_filter(filter)

  if filters.any? { |_, lines| lines.any? }
    CompositeFilter.new(runnable, filter, filters)
  else
    filter
  end
end

# File railties/lib/rails/test_unit/runner.rb, line 57
def load_tests(argv)
  patterns = extract_filters(argv)
  tests = list_tests(patterns)
  tests.to_a.each do |path|
    abs_path = File.expand_path(path)
    require abs_path
  rescue LoadError => exception
    if exception.path == abs_path
      all_tests = list_tests([default_test_glob])
      corrections = DidYouMean::SpellChecker.new(dictionary: all_tests).correct(path)

      if corrections.empty?
        raise exception
      end
      raise InvalidTestError.new(path, DidYouMean::Formatter.message_for(corrections))
    else
      raise
    end
  end
end

# File railties/lib/rails/test_unit/runner.rb, line 32
def parse_options(argv)
  # Perform manual parsing and cleanup since option parser raises on unknown options.
  env_index = argv.index("--environment") || argv.index("-e")
  if env_index
    argv.delete_at(env_index)
    environment = argv.delete_at(env_index).strip
  end
  ENV["RAILS_ENV"] = environment || "test"

  w_index = argv.index("--warnings") || argv.index("-w")
  $VERBOSE = argv.delete_at(w_index) if w_index
end

# File railties/lib/rails/test_unit/runner.rb, line 51
def run(argv = [])
  load_tests(argv)

  require "active_support/testing/autorun"
end

# File railties/lib/rails/test_unit/runner.rb, line 45
def run_from_rake(test_command, argv = [])
  # Ensure the tests run during the Rake Task action, not when the process exits
  success = system("rails", test_command, *argv, *Shellwords.split(ENV["TESTOPTS"] || ""))
  success || exit(false)
end