require 'cases/helper' require 'tempfile' module ActiveRecord class Fixtures class FileTest < ActiveRecord::TestCase def test_open fh = File.open(::File.join(FIXTURES_ROOT, "accounts.yml")) assert_equal 6, fh.to_a.length end def test_open_with_block called = false File.open(::File.join(FIXTURES_ROOT, "accounts.yml")) do |fh| called = true assert_equal 6, fh.to_a.length end assert called, 'block called' end def test_names File.open(::File.join(FIXTURES_ROOT, "accounts.yml")) do |fh| assert_equal ["signals37", "unknown", "rails_core_account", "last_account", "rails_core_account_2", "odegy_account"].sort, fh.to_a.map(&:first).sort end end def test_values File.open(::File.join(FIXTURES_ROOT, "accounts.yml")) do |fh| assert_equal [1,2,3,4,5,6].sort, fh.to_a.map(&:last).map { |x| x['id'] }.sort end end def test_erb_processing File.open(::File.join(FIXTURES_ROOT, "developers.yml")) do |fh| devs = Array.new(8) { |i| "dev_#{i + 3}" } assert_equal [], devs - fh.to_a.map(&:first) end end def test_empty_file tmp_yaml ['empty', 'yml'], '' do |t| assert_equal [], File.open(t.path) { |fh| fh.to_a } end end # A valid YAML file is not necessarily a value Fixture file. Make sure # an exception is raised if the format is not valid Fixture format. def test_wrong_fixture_format_string tmp_yaml ['empty', 'yml'], 'qwerty' do |t| assert_raises(ActiveRecord::Fixture::FormatError) do File.open(t.path) { |fh| fh.to_a } end end end def test_wrong_fixture_format_nested tmp_yaml ['empty', 'yml'], 'one: two' do |t| assert_raises(ActiveRecord::Fixture::FormatError) do File.open(t.path) { |fh| fh.to_a } end end end private def tmp_yaml(name, contents) t = Tempfile.new name t.binmode t.write contents t.close yield t ensure t.close true end end end end