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January 20, 2012 - (>= v3.0.0)
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Stubs Logger in rspec

Let we have a module like below:

module MyModule class << self def logger @logger ||= Logger.new(File.join(Rails.root, "log", "my_gem_#{Rails.env}.log")) end end end

To use this logger just type:

MyModule.logger.info "This is a log line"

To stub in tests use (for rspec):

require 'active_support/log_subscriber/test_helper' RSpec.configure do |config| config.include ActiveSupport::LogSubscriber::TestHelper config.before do MyModule.stub!(:logger).and_return(MockLogger.new) end end

Usefull in testing when you don’t like to log anything.