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require "spec_helper"
describe Bunny::Consumer, "#cancel" do
let(:connection) do
c = Bunny.new(username: "bunny_gem", password: "bunny_password", vhost: "bunny_testbed")
c.start
c
end
after :each do
connection.close if connection.open?
end
context "with a non-blocking consumer" do
let(:queue_name) { "bunny.queues.#{rand}" }
it "cancels the consumer" do
delivered_data = []
t = Thread.new do
ch = connection.create_channel
q = ch.queue(queue_name, auto_delete: true, durable: false)
consumer = q.subscribe do |_, _, payload|
delivered_data << payload
end
expect(consumer.consumer_tag).not_to be_nil
cancel_ok = consumer.cancel
expect(cancel_ok.consumer_tag).to eq consumer.consumer_tag
ch.close
end
t.abort_on_exception = true
sleep 0.5
ch = connection.create_channel
ch.default_exchange.publish("", routing_key: queue_name)
sleep 0.7
expect(delivered_data).to be_empty
end
end
context "with a blocking consumer" do
let(:queue_name) { "bunny.queues.#{rand}" }
it "cancels the consumer" do
delivered_data = []
consumer = nil
t = Thread.new do
ch = connection.create_channel
q = ch.queue(queue_name, auto_delete: true, durable: false)
consumer = Bunny::Consumer.new(ch, q)
consumer.on_delivery do |_, _, payload|
delivered_data << payload
end
q.subscribe_with(consumer)
end
t.abort_on_exception = true
sleep 1.0
consumer.cancel
sleep 1.0
ch = connection.create_channel
ch.default_exchange.publish("", routing_key: queue_name)
sleep 0.7
expect(delivered_data).to be_empty
end
end
context "with a worker pool shutdown timeout configured" do
let(:queue_name) { "bunny.queues.#{rand}" }
it "processes the message if processing completes within the timeout" do
delivered_data = []
consumer = nil
t = Thread.new do
ch = connection.create_channel(nil, 1, false, 5)
q = ch.queue(queue_name, auto_delete: true, durable: false)
consumer = Bunny::Consumer.new(ch, q)
consumer.on_delivery do |_, _, payload|
sleep 2
delivered_data << payload
end
q.subscribe_with(consumer)
end
t.abort_on_exception = true
sleep 1.0
ch = connection.create_channel
ch.confirm_select
ch.default_exchange.publish("", routing_key: queue_name)
ch.wait_for_confirms
sleep 0.5
consumer.cancel
sleep 1.0
expect(delivered_data).to_not be_empty
end
it "kills the consumer if processing takes longer than the timeout" do
delivered_data = []
consumer = nil
t = Thread.new do
ch = connection.create_channel(nil, 1, false, 1)
q = ch.queue(queue_name, auto_delete: true, durable: false)
consumer = Bunny::Consumer.new(ch, q)
consumer.on_delivery do |_, _, payload|
sleep 3
delivered_data << payload
end
q.subscribe_with(consumer)
end
t.abort_on_exception = true
sleep 1.0
ch = connection.create_channel
ch.confirm_select
ch.default_exchange.publish("", routing_key: queue_name)
ch.wait_for_confirms
sleep 0.5
consumer.cancel
sleep 1.0
expect(delivered_data).to be_empty
end
end
end
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