test/disk_controller_test.rb


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require "test_helper"
require "database/setup"

require "action_controller"
require "action_controller/test_case"

require "active_storage/disk_controller"
require "active_storage/verified_key_with_expiration"

class ActiveStorage::DiskControllerTest < ActionController::TestCase
  Routes = ActionDispatch::Routing::RouteSet.new.tap do |routes|
    routes.draw do
      get "/rails/blobs/:encoded_key" => "active_storage/disk#show", as: :rails_disk_blob
    end
  end

  setup do
    @blob = create_blob
    @routes = Routes
    @controller = ActiveStorage::DiskController.new
  end

  test "showing blob inline" do
    get :show, params: { encoded_key: ActiveStorage::VerifiedKeyWithExpiration.encode(@blob.key, expires_in: 5.minutes) }
    assert_equal "inline; filename=\"#{@blob.filename}\"", @response.headers["Content-Disposition"]
    assert_equal "text/plain", @response.headers["Content-Type"]
  end

  test "sending blob as attachment" do
    get :show, params: { encoded_key: ActiveStorage::VerifiedKeyWithExpiration.encode(@blob.key, expires_in: 5.minutes), disposition: :attachment }
    assert_equal "attachment; filename=\"#{@blob.filename}\"", @response.headers["Content-Disposition"]
    assert_equal "text/plain", @response.headers["Content-Type"]
  end
end