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require 'spec_helper'
describe Raemon::Instrumentation do
# Have to extend due to the way anonymous classes work
subject { Class.new { extend Raemon::Instrumentation } }
describe '#instrument' do
context 'instrumentor available' do
let(:instrumentor) { double('Instrumentor') }
before do
instrumentor.stub(:instrument) do |name, payload={}|
yield payload if block_given?
name
end
Raemon.config.instrumentor = instrumentor
end
after do
Raemon.config.instrumentor = nil
end
it 'uses it appropriately' do
instrumentor.should_receive(:instrument).with('raemon.bacon', { hello: 'world' })
subject.instrument('bacon', { hello: 'world' })
end
it 'yields the payload correctly' do
subject.instrument('bacon', 'my payload') do |payload|
payload.should eq('my payload')
end
end
end
context 'instrumentor not available' do
it 'does nothing' do
expect {
subject.instrument 'bacon'
}.to_not raise_error
end
end
end
end
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