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require "spec_helper"
describe Bunny::Exchange 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
end
context "of default type" do
it "is declared with an empty name" do
ch = connection.create_channel
x = Bunny::Exchange.default(ch)
expect(x.name).to eq ''
end
end
context "of type fanout" do
context "with a non-predefined name" do
it "is declared" do
ch = connection.create_channel
name = "bunny.tests.exchanges.fanout#{rand}"
x = ch.fanout(name)
expect(x.name).to eq name
x.delete
ch.close
end
end
context "with a predefined name" do
it "is NOT declared" do
ch = connection.create_channel
name = "amq.fanout"
x = ch.fanout(name)
expect(x.name).to eq name
ch.close
end
end
context "with a name prefixed with 'amq.'" do
it "raises an exception" do
ch = connection.create_channel
expect {
ch.fanout("amq.test")
}.to raise_error(Bunny::AccessRefused)
expect(ch).to be_closed
expect {
ch.fanout("amq.test")
}.to raise_error(Bunny::ChannelAlreadyClosed)
end
end
context "with the durable property" do
it "is declared as durable" do
ch = connection.create_channel
name = "bunny.tests.exchanges.durable"
x = ch.fanout(name, durable: true)
expect(x.name).to eq name
expect(x).to be_durable
expect(x).not_to be_auto_delete
x.delete
ch.close
end
end
context "with the auto-delete property" do
it "is declared as auto-delete" do
ch = connection.create_channel
name = "bunny.tests.exchanges.auto-delete"
x = ch.fanout(name, auto_delete: true)
expect(x.name).to eq name
expect(x).not_to be_durable
expect(x).to be_auto_delete
ch.exchange(name, type: :fanout, auto_delete: true)
x.delete
ch.close
end
end
context "when declared with a different set of attributes" do
it "raises an exception" do
ch1 = connection.create_channel
ch2 = connection.create_channel
x = ch1.fanout("bunny.tests.exchanges.fanout", auto_delete: true, durable: false)
expect {
# force re-declaration
ch2.exchange_declare("bunny.tests.exchanges.fanout", :direct, auto_delete: false, durable: true)
}.to raise_error(Bunny::PreconditionFailed)
expect(ch2).to be_closed
expect {
ch2.fanout("bunny.tests.exchanges.fanout", auto_delete: true, durable: false)
}.to raise_error(Bunny::ChannelAlreadyClosed)
end
end
end
context "of type direct" do
context "with a non-predefined name" do
it "is declared" do
ch = connection.create_channel
name = "bunny.tests.exchanges.direct"
x = ch.direct(name)
expect(x.name).to eq name
ch.exchange(name, type: :direct)
x.delete
ch.close
end
end
context "with a predefined name" do
it "is NOT declared" do
ch = connection.create_channel
name = "amq.direct"
x = ch.direct(name)
expect(x.name).to eq name
ch.close
end
end
end
context "of type topic" do
context "with a non-predefined name" do
it "is declared" do
ch = connection.create_channel
name = "bunny.tests.exchanges.topic"
x = ch.topic(name)
expect(x.name).to eq name
ch.exchange(name, type: :topic)
x.delete
ch.close
end
end
context "with a predefined name" do
it "is NOT declared" do
ch = connection.create_channel
name = "amq.topic"
x = ch.topic(name)
expect(x.name).to eq name
ch.close
end
end
end
context "of type headers" do
context "with a non-predefined name" do
it "is declared" do
ch = connection.create_channel
name = "bunny.tests.exchanges.headers"
x = ch.headers(name)
expect(x.name).to eq name
x.delete
ch.close
end
end
context "with a predefined name (amq.match)" do
it "is NOT declared" do
ch = connection.create_channel
name = "amq.match"
x = ch.headers(name)
expect(x.name).to eq name
ch.close
end
end
context "with a predefined name (amq.headers)" do
it "is NOT declared" do
ch = connection.create_channel
name = "amq.headers"
x = ch.headers(name)
expect(x.name).to eq name
ch.close
end
end
end
context "that is internal" do
it "can be declared" do
ch = connection.create_channel
x = ch.fanout("bunny.tests.exchanges.internal", internal: true)
expect(x).to be_internal
x.delete
ch.close
end
end
context "not declared as internal" do
it "is not internal" do
ch = connection.create_channel
x = ch.fanout("bunny.tests.exchanges.non-internal")
expect(x).not_to be_internal
x.delete
ch.close
end
end
end
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