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require 'spec_helper'
describe Gitlab::Metrics::Subscribers::ActionView do
let(:transaction) { Gitlab::Metrics::Transaction.new }
let(:subscriber) { described_class.new }
let(:event) do
root = Rails.root.to_s
double(:event, duration: 2.1,
payload: { identifier: "#{root}/app/views/x.html.haml" })
end
before do
allow(subscriber).to receive(:current_transaction).and_return(transaction)
allow(Gitlab::Metrics).to receive(:last_relative_application_frame).
and_return(['app/views/x.html.haml', 4])
end
describe '#render_template' do
it 'tracks rendering of a template' do
values = { duration: 2.1 }
tags = {
view: 'app/views/x.html.haml',
file: 'app/views/x.html.haml',
line: 4
}
expect(transaction).to receive(:add_metric).
with(described_class::SERIES, values, tags)
subscriber.render_template(event)
end
end
end
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