spec/loaders/example/second_example_loader.rb spec/loaders/first_example_loader.rb @@ -1,4 +1,4 @@ -# $Id: NgTzeYang [nineone@singnet.com.sg] 11 Sep 2008 15:48 $ +# $Id: NgTzeYang [nineone@singnet.com.sg] 15 Sep 2008 18:38 $ # # Intended to be inherited by all work loaders. Usage: # @@ -37,7 +37,7 @@ class WorkerQueue protected def self.prepare - raise "Subclass MUST implement prepare()" + raise self.to_s + ".prepare() MUST be implemented" end end lib/worker_queue/worker_queue_item_loader.rb @@ -230,3 +230,54 @@ describe "When handling racing conditions" do end end + + +describe "When loading worker queue items" do + before(:each) do + @loaders_lib = File.dirname(__FILE__)+'/../loaders' + + unless Object.const_defined? 'FirstExampleLoader' + class FirstExampleLoader < WorkerQueue::WorkerQueueItemLoader + def self.prepare ; end + end + end + + unless Object.const_defined? 'Example' + class Example + class SecondExampleLoader < WorkerQueue::WorkerQueueItemLoader + end + end + end + end + + it "should define loaders_lib as RAILS_ROOT/lib/worker_queue" do + WorkerQueue.send(:loaders_lib).should == File.join( RAILS_ROOT, 'lib', 'worker_queue', '' ) + end + + it "should require loaders under loaders_lib" do + WorkerQueue.stub!(:loaders_lib).and_return(@loaders_lib) + FirstExampleLoader.stub!(:load) + Example::SecondExampleLoader.stub!(:load) + WorkerQueue.should_receive(:require).with(@loaders_lib+'/first_example_loader.rb') + WorkerQueue.should_receive(:require).with(@loaders_lib+'/example/second_example_loader.rb') + WorkerQueue.load + end + + it "for each loader, should call AnyLoader.load class method" do + WorkerQueue.stub!(:loaders_lib).and_return(@loaders_lib) + FirstExampleLoader.should_receive(:load) + Example::SecondExampleLoader.should_receive(:load) + WorkerQueue.load + end + + it "should raise error if loader does not implement class method prepare()" do + worker_item = stub( WorkerQueue::WorkerQueueItem, { :save! => true } ) + WorkerQueue::WorkerQueueItem.stub!(:new).and_return(worker_item) + lambda { FirstExampleLoader.load }.should_not raise_error( + "FirstExampleLoader.prepare() MUST be implemented") + lambda { Example::SecondExampleLoader.load }.should raise_error( + "Example::SecondExampleLoader.prepare() MUST be implemented" ) + end + +end + spec/models/worker_queue_spec.rb 9b83f6397fbaa13fb0ec5a00d493ad98f15d9bff 87ba5bedc84247f53c14b184a2100f74ef3f7bcd Bart ten Brinke info@retrosync.com http://github.com/barttenbrinke/worker_queue/commit/9b5321afc62fefed506723ec585e1e9e744a5567 9b5321afc62fefed506723ec585e1e9e744a5567 2008-09-16T14:07:40-07:00 2008-09-16T14:07:40-07:00 Merge branch 'master' of git://github.com/ngty/worker_queue 95f967a2c1a9166756803fae929c0e5b68d24d1d Bart ten Brinke info@retrosync.com