rails--rails/test/service/s3_service_test.rb

require "service/shared_service_tests"
require "httparty"

if SERVICE_CONFIGURATIONS[:s3]
  class ActiveStorage::Service::S3ServiceTest < ActiveSupport::TestCase
    SERVICE = ActiveStorage::Service.configure(:s3, SERVICE_CONFIGURATIONS)

    include ActiveStorage::Service::SharedServiceTests

    test "direct upload" do
      begin
        key      = SecureRandom.base58(24)
        data     = "Something else entirely!"
        checksum = Digest::MD5.base64digest(data)
        url      = @service.url_for_direct_upload(key, expires_in: 5.minutes, content_type: "text/plain", content_length: data.size, checksum: checksum)

        HTTParty.put(
          url,
          body: data,
          headers: { "Content-Type" => "text/plain", "Content-MD5" => checksum },
          debug_output: STDOUT
        )

        assert_equal data, @service.download(key)
      ensure
        @service.delete key
      end
    end

    test "signed URL generation" do
      assert_match /#{SERVICE_CONFIGURATIONS[:s3][:bucket]}\.s3.(\S+)?amazonaws.com.*response-content-disposition=inline.*avatar\.png.*response-content-type=image%2Fpng/,
        @service.url(FIXTURE_KEY, expires_in: 5.minutes, disposition: :inline, filename: "avatar.png", content_type: "image/png")
    end

    test "uploading with server-side encryption" do
      config      = {}
      config[:s3] = SERVICE_CONFIGURATIONS[:s3].merge \
        upload: { server_side_encryption: "AES256" }

      sse_service = ActiveStorage::Service.configure(:s3, config)

      begin
        key  = SecureRandom.base58(24)
        data = "Something else entirely!"
        sse_service.upload(key, StringIO.new(data), checksum: Digest::MD5.base64digest(data))

        assert_equal "AES256", sse_service.bucket.object(key).server_side_encryption
      ensure
        sse_service.delete key
      end
    end
  end
else
  puts "Skipping S3 Service tests because no S3 configuration was supplied"
end