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# frozen_string_literal: true
require 'spec_helper'
describe Gitlab::Prometheus::Queries::KnativeInvocationQuery do
include PrometheusHelpers
let(:project) { create(:project) }
let(:serverless_func) { Serverless::Function.new(project, 'test-name', 'test-ns') }
let(:client) { double('prometheus_client') }
subject { described_class.new(client) }
context 'verify queries' do
before do
create(:prometheus_metric,
:common,
identifier: :system_metrics_knative_function_invocation_count,
query: 'sum(ceil(rate(istio_requests_total{destination_service_namespace="%{kube_namespace}", destination_app=~"%{function_name}.*"}[1m])*60))')
end
it 'has the query, but no data' do
expect(client).to receive(:query_range).with(
'sum(ceil(rate(istio_requests_total{destination_service_namespace="test-ns", destination_app=~"test-name.*"}[1m])*60))',
hash_including(:start, :stop)
)
subject.query(serverless_func.id)
end
end
end
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