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# encoding: utf-8
require 'spec_helper'
describe "AMQP transaction rollback" do
#
# Environment
#
include EventedSpec::AMQPSpec
default_timeout 4.5
amqp_before do
@producer_channel = AMQP::Channel.new
@consumer_channel = AMQP::Channel.new
end
# ...
#
# Examples
#
it "voids messages published since the last tx.select" do
exchange = @producer_channel.fanout("amq.fanout")
queue = @consumer_channel.queue("", :exclusive => true)
queue.bind(exchange).subscribe do |metadata, payload|
fail "Consumer received a message before transaction committed"
end
@producer_channel.tx_select
EventMachine.add_timer(0.5) do
50.times { exchange.publish("before tx.commit") }
@producer_channel.tx_rollback
end
done(3.5)
end # it
end # describe
describe "AMQP connection closure that follows tx.select" do
#
# Environment
#
include EventedSpec::AMQPSpec
default_timeout 4.5
amqp_before do
@producer_channel = AMQP::Channel.new
@consumer_channel = AMQP::Channel.new
end
# ...
#
# Examples
#
it "voids messages published since the last tx.select" do
exchange = @producer_channel.fanout("amq.fanout")
queue = @consumer_channel.queue("", :exclusive => true)
queue.bind(exchange).subscribe do |metadata, payload|
fail "Consumer received a message before transaction committed"
end
@producer_channel.tx_select
EventMachine.add_timer(0.5) do
3.times { exchange.publish("before tx.commit") }
@producer_channel.connection.close
end
done(3.5)
end # it
end # describe
describe "AMQP channel closure that follows tx.select" do
#
# Environment
#
include EventedSpec::AMQPSpec
default_timeout 4.5
amqp_before do
@producer_channel = AMQP::Channel.new
@consumer_channel = AMQP::Channel.new
end
# ...
#
# Examples
#
it "voids messages published since the last tx.select" do
exchange = @producer_channel.fanout("amq.fanout")
queue = @consumer_channel.queue("", :exclusive => true)
queue.bind(exchange).subscribe do |metadata, payload|
fail "Consumer received a message before transaction committed"
end
@producer_channel.tx_select
EventMachine.add_timer(0.5) do
3.times { exchange.publish("before tx.commit") }
@producer_channel.close
end
done(3.5)
end # it
end # describe
describe "AMQP transaction rollback attempt on a non-transactional channel" do
#
# Environment
#
include EventedSpec::AMQPSpec
default_timeout 4.5
amqp_before do
@producer_channel = AMQP::Channel.new
@consumer_channel = AMQP::Channel.new
end
# ...
#
# Examples
#
it "causes channel-level exception" do
exchange = @producer_channel.fanout("amq.fanout")
queue = @consumer_channel.queue("", :exclusive => true)
queue.bind(exchange).subscribe do |metadata, payload|
fail "Consumer received a message before transaction committed"
end
@producer_channel.on_error do |ch, channel_close|
puts "#{channel_close.reply_text}"
done
end
EventMachine.add_timer(0.5) { @producer_channel.tx_rollback }
done(3.5)
end # it
end # describe
|
