error_sample_of_save_chain_inspector.rb

# frozen_string_literal: true

require "bundler/inline"

gemfile(true) do
  source "https://rubygems.org"

  gem "rails", "7.0.8.4"
  # If you want to test against edge Rails replace the previous line with this:
  # gem "rails", github: "rails/rails", branch: "main"
  gem "shrine", "3.6.0"
  gem "sqlite3", "~> 1.4"
  gem "save_chain_inspector"
  gem 'debug'
end

require "active_record/railtie"
require "tmpdir"
require "shrine"
require "shrine/storage/file_system"

Shrine.storages = {
  cache: Shrine::Storage::FileSystem.new("public", prefix: "uploads/cache"), # temporary
  store: Shrine::Storage::FileSystem.new("public", prefix: "uploads"),       # permanent
}

Shrine.plugin :activerecord
Shrine.plugin :cached_attachment_data
Shrine.plugin :restore_cached_data

class TestApp < Rails::Application
  config.load_defaults Rails::VERSION::STRING.to_f

  config.root = __dir__
  config.hosts << "example.org"
  config.eager_load = false
  config.session_store :cookie_store, key: "cookie_store_key"
  config.secret_key_base = "secret_key_base"

  config.logger = Logger.new($stdout)
  Rails.logger  = config.logger
end

ENV["DATABASE_URL"] = "sqlite3::memory:"
Rails.application.initialize!

ActiveRecord::Schema.define do
  create_table :users, force: true do |t|
    t.text :image_data
  end
end

class ImageUploader < Shrine
end

class User < ActiveRecord::Base
  include ImageUploader::Attachment(:image)
end

require "minitest/autorun"

class BugTest < Minitest::Test
  def test_upload_and_download
    user = User.new

    tempfile = Tempfile.new
    tempfile.write("dummy")
    tempfile.rewind
    File.open(tempfile.path) do |file|
      user.image = file
    end
    user.image.metadata['filename'] = 'original_filename!'
    SaveChainInspector.start do
      user.save!
    end
    assert_equal "dummy", user.image.download.read
  end
end