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require 'spec_helper'
describe Mongo::Event::Subscriber do
let(:listeners) do
Mongo::Event::Listeners.new
end
let(:klass) do
Class.new do
include Mongo::Event::Subscriber
def initialize(listeners)
@event_listeners = listeners
end
end
end
describe '#subscribe_to' do
let(:listener) do
double('listener')
end
let(:subscriber) do
klass.new(listeners)
end
it 'adds subscribes the listener to the publisher' do
expect(listeners).to receive(:add_listener).with('test', listener)
subscriber.subscribe_to('test', listener)
end
end
end
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