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-rw-r--r--railties/CHANGELOG.md4
-rw-r--r--railties/lib/rails/application.rb2
-rw-r--r--railties/lib/rails/application/configuration.rb8
-rw-r--r--railties/lib/rails/application/finisher.rb4
-rw-r--r--railties/lib/rails/queueing.rb10
-rw-r--r--railties/test/application/queue_test.rb39
-rw-r--r--railties/test/queueing/threaded_consumer_test.rb19
7 files changed, 74 insertions, 12 deletions
diff --git a/railties/CHANGELOG.md b/railties/CHANGELOG.md
index bc34ced283..b7c042cee3 100644
--- a/railties/CHANGELOG.md
+++ b/railties/CHANGELOG.md
@@ -1,5 +1,9 @@
## Rails 4.0.0 (unreleased) ##
+* Add `config.queue_consumer` to allow the default consumer to be configurable. *Carlos Antonio da Silva*
+
+* Add Rails.queue as an interface with a default implementation that consumes jobs in a separate thread. *Yehuda Katz*
+
* Remove Rack::SSL in favour of ActionDispatch::SSL. *Rafael Mendonça França*
* Remove Active Resource from Rails framework. *Prem Sichangrist*
diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb
index c7b19c964a..c4edbae55b 100644
--- a/railties/lib/rails/application.rb
+++ b/railties/lib/rails/application.rb
@@ -66,7 +66,7 @@ module Rails
end
end
- attr_accessor :assets, :sandbox
+ attr_accessor :assets, :sandbox, :queue_consumer
alias_method :sandbox?, :sandbox
attr_reader :reloaders
attr_writer :queue
diff --git a/railties/lib/rails/application/configuration.rb b/railties/lib/rails/application/configuration.rb
index 25bb680f69..a2e5dece16 100644
--- a/railties/lib/rails/application/configuration.rb
+++ b/railties/lib/rails/application/configuration.rb
@@ -8,10 +8,11 @@ module Rails
attr_accessor :allow_concurrency, :asset_host, :asset_path, :assets, :autoflush_log,
:cache_classes, :cache_store, :consider_all_requests_local, :console,
:dependency_loading, :exceptions_app, :file_watcher, :filter_parameters,
- :force_ssl, :helpers_paths, :logger, :log_formatter, :log_tags, :preload_frameworks,
- :railties_order, :relative_url_root, :secret_token,
+ :force_ssl, :helpers_paths, :logger, :log_formatter, :log_tags,
+ :preload_frameworks, :railties_order, :relative_url_root, :secret_token,
:serve_static_assets, :ssl_options, :static_cache_control, :session_options,
- :time_zone, :reload_classes_only_on_change, :use_schema_cache_dump, :queue
+ :time_zone, :reload_classes_only_on_change, :use_schema_cache_dump,
+ :queue, :queue_consumer
attr_writer :log_level
attr_reader :encoding
@@ -44,6 +45,7 @@ module Rails
@log_formatter = ActiveSupport::Logger::SimpleFormatter.new
@use_schema_cache_dump = true
@queue = Rails::Queueing::Queue
+ @queue_consumer = Rails::Queueing::ThreadedConsumer
@assets = ActiveSupport::OrderedOptions.new
@assets.enabled = false
diff --git a/railties/lib/rails/application/finisher.rb b/railties/lib/rails/application/finisher.rb
index 6a24e01f29..84f2601f28 100644
--- a/railties/lib/rails/application/finisher.rb
+++ b/railties/lib/rails/application/finisher.rb
@@ -96,8 +96,8 @@ module Rails
initializer :activate_queue_consumer do |app|
if config.queue == Rails::Queueing::Queue
- consumer = Rails::Queueing::ThreadedConsumer.start(app.queue)
- at_exit { consumer.shutdown }
+ app.queue_consumer = config.queue_consumer.start(app.queue)
+ at_exit { app.queue_consumer.shutdown }
end
end
end
diff --git a/railties/lib/rails/queueing.rb b/railties/lib/rails/queueing.rb
index 2e187b8555..b4bc7fcd18 100644
--- a/railties/lib/rails/queueing.rb
+++ b/railties/lib/rails/queueing.rb
@@ -16,13 +16,13 @@ module Rails
# Jobs are run in a separate thread to catch mistakes where code
# assumes that the job is run in the same thread.
class TestQueue < ::Queue
- # Get a list of the jobs off this queue. This method may not be
+ # Get a list of the jobs off this queue. This method may not be
# available on production queues.
def jobs
@que.dup
end
- # Drain the queue, running all jobs in a different thread. This method
+ # Drain the queue, running all jobs in a different thread. This method
# may not be available on production queues.
def drain
# run the jobs in a separate thread so assumptions of synchronous
@@ -53,7 +53,7 @@ module Rails
begin
job.run
rescue Exception => e
- Rails.logger.error "Job Error: #{e.message}\n#{e.backtrace.join("\n")}"
+ handle_exception e
end
end
end
@@ -64,6 +64,10 @@ module Rails
@queue.push nil
@thread.join
end
+
+ def handle_exception(e)
+ Rails.logger.error "Job Error: #{e.message}\n#{e.backtrace.join("\n")}"
+ end
end
end
end
diff --git a/railties/test/application/queue_test.rb b/railties/test/application/queue_test.rb
index 71b0c2bc38..da8bdeed52 100644
--- a/railties/test/application/queue_test.rb
+++ b/railties/test/application/queue_test.rb
@@ -63,7 +63,7 @@ module ApplicationTests
test "in test mode, the queue can be observed" do
app("test")
- job = Class.new(Struct.new(:id)) do
+ job = Struct.new(:id) do
def run
end
end
@@ -79,7 +79,7 @@ module ApplicationTests
assert_equal jobs, Rails.queue.jobs
end
- test "a custom queue implementation can be provided" do
+ def setup_custom_queue
add_to_env_config "production", <<-RUBY
require "my_queue"
config.queue = MyQueue
@@ -94,10 +94,14 @@ module ApplicationTests
RUBY
app("production")
+ end
+
+ test "a custom queue implementation can be provided" do
+ setup_custom_queue
assert_kind_of MyQueue, Rails.queue
- job = Class.new(Struct.new(:id, :ran)) do
+ job = Struct.new(:id, :ran) do
def run
self.ran = true
end
@@ -108,5 +112,34 @@ module ApplicationTests
assert_equal true, job1.ran
end
+
+ test "a custom consumer implementation can be provided" do
+ add_to_env_config "production", <<-RUBY
+ require "my_queue_consumer"
+ config.queue_consumer = MyQueueConsumer
+ RUBY
+
+ app_file "lib/my_queue_consumer.rb", <<-RUBY
+ class MyQueueConsumer < Rails::Queueing::ThreadedConsumer
+ attr_reader :started
+
+ def start
+ @started = true
+ self
+ end
+ end
+ RUBY
+
+ app("production")
+
+ assert_kind_of MyQueueConsumer, Rails.application.queue_consumer
+ assert Rails.application.queue_consumer.started
+ end
+
+ test "default consumer is not used with custom queue implementation" do
+ setup_custom_queue
+
+ assert_nil Rails.application.queue_consumer
+ end
end
end
diff --git a/railties/test/queueing/threaded_consumer_test.rb b/railties/test/queueing/threaded_consumer_test.rb
index 559de2a82d..c34a966d6e 100644
--- a/railties/test/queueing/threaded_consumer_test.rb
+++ b/railties/test/queueing/threaded_consumer_test.rb
@@ -78,4 +78,23 @@ class TestThreadConsumer < ActiveSupport::TestCase
assert_equal 1, logger.logged(:error).size
assert_match(/Job Error: RuntimeError: Error!/, logger.logged(:error).last)
end
+
+ test "test overriding exception handling" do
+ @consumer.shutdown
+ @consumer = Class.new(Rails::Queueing::ThreadedConsumer) do
+ attr_reader :last_error
+ def handle_exception(e)
+ @last_error = e.message
+ end
+ end.start(@queue)
+
+ job = Job.new(1) do
+ raise "RuntimeError: Error!"
+ end
+
+ @queue.push job
+ sleep 0.1
+
+ assert_equal "RuntimeError: Error!", @consumer.last_error
+ end
end