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#!/usr/bin/env rspec
require 'spec_helper'
require 'puppet/indirector/queue'
class Puppet::Indirector::Queue::TestClient
end
class FooExampleData
attr_accessor :name
def self.pson_create(pson)
new(pson['data'].to_sym)
end
def initialize(name = nil)
@name = name if name
end
def render(format = :pson)
to_pson
end
def to_pson(*args)
{:type => self.class.to_s, :data => name}.to_pson(*args)
end
end
describe Puppet::Indirector::Queue, :if => Puppet.features.pson? do
before :each do
@model = mock 'model'
@indirection = stub 'indirection', :name => :my_queue, :register_terminus_type => nil, :model => @model
Puppet::Indirector::Indirection.stubs(:instance).with(:my_queue).returns(@indirection)
module MyQueue; end
@store_class = class MyQueue::MyType < Puppet::Indirector::Queue
self
end
@store = @store_class.new
@subject_class = FooExampleData
@subject = @subject_class.new
@subject.name = :me
Puppet[:queue_type] = :test_client
Puppet::Util::Queue.stubs(:queue_type_to_class).with(:test_client).returns(Puppet::Indirector::Queue::TestClient)
@request = stub 'request', :key => :me, :instance => @subject
end
it "should require PSON" do
Puppet.features.expects(:pson?).returns false
lambda { @store_class.new }.should raise_error(ArgumentError)
end
it 'should use the correct client type and queue' do
@store.queue.should == :my_queue
@store.client.should be_an_instance_of(Puppet::Indirector::Queue::TestClient)
end
describe "when saving" do
it 'should render the instance using pson' do
@subject.expects(:render).with(:pson)
@store.client.stubs(:publish_message)
@store.save(@request)
end
it "should publish the rendered message to the appropriate queue on the client" do
@subject.expects(:render).returns "mypson"
@store.client.expects(:publish_message).with(:my_queue, "mypson")
@store.save(@request)
end
it "should catch any exceptions raised" do
@store.client.expects(:publish_message).raises ArgumentError
lambda { @store.save(@request) }.should raise_error(Puppet::Error)
end
end
describe "when subscribing to the queue" do
before do
@store_class.stubs(:model).returns @model
end
it "should use the model's Format support to intern the message from pson" do
@model.expects(:convert_from).with(:pson, "mymessage")
@store_class.client.expects(:subscribe).yields("mymessage")
@store_class.subscribe {|o| o }
end
it "should yield each interned received message" do
@model.stubs(:convert_from).returns "something"
@subject_two = @subject_class.new
@subject_two.name = :too
@store_class.client.expects(:subscribe).with(:my_queue).multiple_yields(@subject, @subject_two)
received = []
@store_class.subscribe do |obj|
received.push(obj)
end
received.should == %w{something something}
end
it "should log but not propagate errors" do
@store_class.client.expects(:subscribe).yields("foo")
@store_class.expects(:intern).raises(ArgumentError)
expect { @store_class.subscribe {|o| o } }.should_not raise_error
@logs.length.should == 1
@logs.first.message.should =~ /Error occured with subscription to queue my_queue for indirection my_queue: ArgumentError/
@logs.first.level.should == :err
end
end
end
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