diff options
Diffstat (limited to 'railties/lib/rails/log_subscriber/test_helper.rb')
| -rw-r--r-- | railties/lib/rails/log_subscriber/test_helper.rb | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/railties/lib/rails/log_subscriber/test_helper.rb b/railties/lib/rails/log_subscriber/test_helper.rb deleted file mode 100644 index 9b7b0738cd..0000000000 --- a/railties/lib/rails/log_subscriber/test_helper.rb +++ /dev/null @@ -1,97 +0,0 @@ -require 'rails/log_subscriber' - -module Rails - class LogSubscriber - # Provides some helpers to deal with testing log subscribers by setting up - # notifications. Take for instance Active Record subscriber tests: - # - # class SyncLogSubscriberTest < ActiveSupport::TestCase - # include Rails::LogSubscriber::TestHelper - # Rails::LogSubscriber.add(:active_record, ActiveRecord::Railties::LogSubscriber.new) - # - # def test_basic_query_logging - # Developer.all - # wait - # assert_equal 1, @logger.logged(:debug).size - # assert_match /Developer Load/, @logger.logged(:debug).last - # assert_match /SELECT \* FROM "developers"/, @logger.logged(:debug).last - # end - # - # class SyncLogSubscriberTest < ActiveSupport::TestCase - # include Rails::LogSubscriber::SyncTestHelper - # include LogSubscriberTest - # end - # - # class AsyncLogSubscriberTest < ActiveSupport::TestCase - # include Rails::LogSubscriber::AsyncTestHelper - # include LogSubscriberTest - # end - # end - # - # All you need to do is to ensure that your log subscriber is added to Rails::Subscriber, - # as in the second line of the code above. The test helpers is reponsible for setting - # up the queue, subscriptions and turning colors in logs off. - # - # The messages are available in the @logger instance, which is a logger with limited - # powers (it actually do not send anything to your output), and you can collect them - # doing @logger.logged(level), where level is the level used in logging, like info, - # debug, warn and so on. - # - module TestHelper - def setup - @logger = MockLogger.new - @notifier = ActiveSupport::Notifications::Notifier.new(queue) - - Rails::LogSubscriber.colorize_logging = false - - set_logger(@logger) - ActiveSupport::Notifications.notifier = @notifier - end - - def teardown - set_logger(nil) - ActiveSupport::Notifications.notifier = nil - end - - class MockLogger - attr_reader :flush_count - - def initialize - @flush_count = 0 - @logged = Hash.new { |h,k| h[k] = [] } - end - - def method_missing(level, message) - @logged[level] << message - end - - def logged(level) - @logged[level].compact.map { |l| l.to_s.strip } - end - - def flush - @flush_count += 1 - end - end - - # Wait notifications to be published. - def wait - @notifier.wait - end - - # Overwrite if you use another logger in your log subscriber: - # - # def logger - # ActiveRecord::Base.logger = @logger - # end - # - def set_logger(logger) - Rails.logger = logger - end - - def queue - ActiveSupport::Notifications::Fanout.new - end - end - end -end
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