activerecord/test/cases/binary_test.rb


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require "cases/helper"

# Without using prepared statements, it makes no sense to test
# BLOB data with SQL Server, because the length of a statement is
# limited to 8KB.
#
# Without using prepared statements, it makes no sense to test
# BLOB data with DB2 or Firebird, because the length of a statement
# is limited to 32KB.
unless current_adapter?(:SQLServerAdapter, :SybaseAdapter, :DB2Adapter, :FirebirdAdapter)
  require 'models/binary'

  class BinaryTest < ActiveRecord::TestCase
    FIXTURES = %w(flowers.jpg example.log)

    def test_load_save
      Binary.delete_all

      FIXTURES.each do |filename|
        data = File.read(ASSETS_ROOT + "/#{filename}").freeze

        bin = Binary.new(:data => data)
        assert_equal data, bin.data, 'Newly assigned data differs from original'

        bin.save!
        assert_equal data, bin.data, 'Data differs from original after save'

        assert_equal data, bin.reload.data, 'Reloaded data differs from original'
      end
    end
  end
end