# frozen_string_literal: true require "bundler/inline" gemfile(true) do source "https://rubygems.org" git_source(:github) { |repo| "https://github.com/#{repo}.git" } # Activate the gem you are reporting the issue against. gem "rails", "~> 6.1.0" gem "sqlite3" end require "active_record/railtie" require "active_storage/engine" require "tmpdir" class TestApp < Rails::Application config.root = __dir__ config.hosts << "example.org" config.eager_load = false config.session_store :cookie_store, key: "cookie_store_key" secrets.secret_key_base = "secret_key_base" config.logger = Logger.new($stdout) Rails.logger = config.logger config.active_storage.service = :local config.active_storage.service_configurations = { local: { root: Dir.tmpdir, service: "Disk" } } end ENV["DATABASE_URL"] = "sqlite3::memory:" Rails.application.initialize! require ActiveStorage::Engine.root.join("db/migrate/20170806125915_create_active_storage_tables.rb").to_s ActiveRecord::Schema.define do CreateActiveStorageTables.new.change create_table :users, force: true end class User < ActiveRecord::Base has_one_attached :profile end require "minitest/autorun" class BugTest < Minitest::Test def test_upload_and_download user = User.create!( profile: { content_type: "text/plain", filename: "dummy.txt", io: ::StringIO.new("dummy"), } ) assert_equal "dummy", user.profile.download end end