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require "spec_helper"
describe Bunny::Channel, "#basic_cancel" do
before(:all) do
@connection = Bunny.new(:user => "bunny_gem", password: "bunny_password", :vhost => "bunny_testbed")
@connection.start
end
after :all do
@connection.close if @connection.open?
end
let(:queue_name) { "bunny.queues.#{rand}" }
it "returns basic.cancel-ok" do
ch = @connection.create_channel
q = ch.queue("", :exclusive => true)
consume_ok = ch.basic_consume(q, "")
cancel_ok = ch.basic_cancel(consume_ok.consumer_tag)
expect(cancel_ok).to be_instance_of AMQ::Protocol::Basic::CancelOk
expect(cancel_ok.consumer_tag).to eq consume_ok.consumer_tag
ch.close
end
context "when the given consumer tag is valid" do
let(:queue_name) { "bunny.basic.cancel.queue#{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)
consume_ok = ch.basic_consume(q, "", true, false) do |_, _, payload|
delivered_data << payload
end
expect(consume_ok.consumer_tag).not_to be_nil
cancel_ok = ch.basic_cancel(consume_ok.consumer_tag)
expect(cancel_ok.consumer_tag).to eq consume_ok.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 "when the given consumer tag is invalid (was never registered)" do
it "DOES NOT cause a channel error" do
ch = @connection.create_channel
# RabbitMQ 3.1 does not raise an exception w/ unknown consumer tag. MK.
ch.basic_cancel("878798s7df89#{rand}#{Bunny::Timestamp.now.to_i}")
ch.close
end
end
context "when the given consumer tag belongs to a different channel" do
it "DOES NOT cause a channel error" do
ch1 = @connection.create_channel
ch2 = @connection.create_channel
q = ch1.queue("", :exclusive => true)
cons = q.subscribe do |_, _, _|
end
ch2.basic_cancel(cons.consumer_tag)
ch1.close
ch2.close
end
end
end
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