require "test_helper" require "database/setup" require "active_storage/blob" class ActiveStorage::BlobTest < ActiveSupport::TestCase test "create after upload sets byte size and checksum" do data = "Hello world!" blob = create_blob data: data assert_equal data, blob.download assert_equal data.length, blob.byte_size assert_equal Digest::MD5.base64digest(data), blob.checksum end test "download yields chunks" do blob = create_blob data: "a" * 75.kilobytes chunks = [] blob.download do |chunk| chunks << chunk end assert_equal 2, chunks.size assert_equal "a" * 64.kilobytes, chunks.first assert_equal "a" * 11.kilobytes, chunks.second end test "urls expiring in 5 minutes" do blob = create_blob travel_to Time.now do assert_equal expected_url_for(blob), blob.url assert_equal expected_url_for(blob, disposition: :attachment), blob.url(disposition: :attachment) end end private def expected_url_for(blob, disposition: :inline) "/rails/active_storage/disk/#{ActiveStorage::VerifiedKeyWithExpiration.encode(blob.key, expires_in: 5.minutes)}/#{blob.filename}?disposition=#{disposition}" end end