aboutsummaryrefslogtreecommitdiffstats
path: root/railties/test/log_subscriber_test.rb
diff options
context:
space:
mode:
Diffstat (limited to 'railties/test/log_subscriber_test.rb')
-rw-r--r--railties/test/log_subscriber_test.rb119
1 files changed, 119 insertions, 0 deletions
diff --git a/railties/test/log_subscriber_test.rb b/railties/test/log_subscriber_test.rb
new file mode 100644
index 0000000000..be176df1bb
--- /dev/null
+++ b/railties/test/log_subscriber_test.rb
@@ -0,0 +1,119 @@
+require 'abstract_unit'
+require 'rails/log_subscriber/test_helper'
+
+class MyLogSubscriber < Rails::LogSubscriber
+ attr_reader :event
+
+ def some_event(event)
+ @event = event
+ info event.name
+ end
+
+ def foo(event)
+ debug "debug"
+ info "info"
+ warn "warn"
+ end
+
+ def bar(event)
+ info "#{color("cool", :red)}, #{color("isn't it?", :blue, true)}"
+ end
+
+ def puke(event)
+ raise "puke"
+ end
+end
+
+class SyncLogSubscriberTest < ActiveSupport::TestCase
+ include Rails::LogSubscriber::TestHelper
+
+ def setup
+ super
+ @log_subscriber = MyLogSubscriber.new
+ Rails::LogSubscriber.instance_variable_set(:@log_tailer, nil)
+ end
+
+ def teardown
+ super
+ Rails::LogSubscriber.log_subscribers.clear
+ Rails::LogSubscriber.instance_variable_set(:@log_tailer, nil)
+ end
+
+ def instrument(*args, &block)
+ ActiveSupport::Notifications.instrument(*args, &block)
+ end
+
+ def test_proxies_method_to_rails_logger
+ @log_subscriber.foo(nil)
+ assert_equal %w(debug), @logger.logged(:debug)
+ assert_equal %w(info), @logger.logged(:info)
+ assert_equal %w(warn), @logger.logged(:warn)
+ end
+
+ def test_set_color_for_messages
+ Rails::LogSubscriber.colorize_logging = true
+ @log_subscriber.bar(nil)
+ assert_equal "\e[31mcool\e[0m, \e[1m\e[34misn't it?\e[0m", @logger.logged(:info).last
+ end
+
+ def test_does_not_set_color_if_colorize_logging_is_set_to_false
+ @log_subscriber.bar(nil)
+ assert_equal "cool, isn't it?", @logger.logged(:info).last
+ end
+
+ def test_event_is_sent_to_the_registered_class
+ Rails::LogSubscriber.add :my_log_subscriber, @log_subscriber
+ instrument "my_log_subscriber.some_event"
+ wait
+ assert_equal %w(my_log_subscriber.some_event), @logger.logged(:info)
+ end
+
+ def test_event_is_an_active_support_notifications_event
+ Rails::LogSubscriber.add :my_log_subscriber, @log_subscriber
+ instrument "my_log_subscriber.some_event"
+ wait
+ assert_kind_of ActiveSupport::Notifications::Event, @log_subscriber.event
+ end
+
+ def test_does_not_send_the_event_if_it_doesnt_match_the_class
+ Rails::LogSubscriber.add :my_log_subscriber, @log_subscriber
+ instrument "my_log_subscriber.unknown_event"
+ wait
+ # If we get here, it means that NoMethodError was raised.
+ end
+
+ def test_does_not_send_the_event_if_logger_is_nil
+ Rails.logger = nil
+ @log_subscriber.expects(:some_event).never
+ Rails::LogSubscriber.add :my_log_subscriber, @log_subscriber
+ instrument "my_log_subscriber.some_event"
+ wait
+ end
+
+ def test_flushes_loggers
+ Rails::LogSubscriber.add :my_log_subscriber, @log_subscriber
+ Rails::LogSubscriber.flush_all!
+ assert_equal 1, @logger.flush_count
+ end
+
+ def test_flushes_the_same_logger_just_once
+ Rails::LogSubscriber.add :my_log_subscriber, @log_subscriber
+ Rails::LogSubscriber.add :another, @log_subscriber
+ Rails::LogSubscriber.flush_all!
+ wait
+ assert_equal 1, @logger.flush_count
+ end
+
+ def test_logging_does_not_die_on_failures
+ Rails::LogSubscriber.add :my_log_subscriber, @log_subscriber
+ instrument "my_log_subscriber.puke"
+ instrument "my_log_subscriber.some_event"
+ wait
+
+ assert_equal 1, @logger.logged(:info).size
+ assert_equal 'my_log_subscriber.some_event', @logger.logged(:info).last
+
+ assert_equal 1, @logger.logged(:error).size
+ assert_equal 'Could not log "my_log_subscriber.puke" event. RuntimeError: puke', @logger.logged(:error).last
+ end
+end \ No newline at end of file