activestorage/test/service/shared_service_tests.rb


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require "test_helper"
require "active_support/core_ext/securerandom"

module ActiveStorage::Service::SharedServiceTests
  extend ActiveSupport::Concern

  FIXTURE_KEY  = SecureRandom.base58(24)
  FIXTURE_DATA = "\211PNG\r\n\032\n\000\000\000\rIHDR\000\000\000\020\000\000\000\020\001\003\000\000\000%=m\"\000\000\000\006PLTE\000\000\000\377\377\377\245\331\237\335\000\000\0003IDATx\234c\370\377\237\341\377_\206\377\237\031\016\2603\334?\314p\1772\303\315\315\f7\215\031\356\024\203\320\275\317\f\367\201R\314\f\017\300\350\377\177\000Q\206\027(\316]\233P\000\000\000\000IEND\256B`\202".force_encoding(Encoding::BINARY)

  included do
    setup do
      @service = self.class.const_get(:SERVICE)
      @service.upload FIXTURE_KEY, StringIO.new(FIXTURE_DATA)
    end

    teardown do
      @service.delete FIXTURE_KEY
    end

    test "uploading with integrity" do
      begin
        key  = SecureRandom.base58(24)
        data = "Something else entirely!"
        @service.upload(key, StringIO.new(data), checksum: Digest::MD5.base64digest(data))

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

    test "uploading without integrity" do
      begin
        key  = SecureRandom.base58(24)
        data = "Something else entirely!"

        assert_raises(ActiveStorage::IntegrityError) do
          @service.upload(key, StringIO.new(data), checksum: Digest::MD5.base64digest("bad data"))
        end

        assert_not @service.exist?(key)
      ensure
        @service.delete key
      end
    end

    test "downloading" do
      assert_equal FIXTURE_DATA, @service.download(FIXTURE_KEY)
    end

    test "existing" do
      assert @service.exist?(FIXTURE_KEY)
      assert_not @service.exist?(FIXTURE_KEY + "nonsense")
    end

    test "deleting" do
      @service.delete FIXTURE_KEY
      assert_not @service.exist?(FIXTURE_KEY)
    end

    test "deleting nonexistent key" do
      assert_nothing_raised do
        @service.delete SecureRandom.base58(24)
      end
    end
  end
end