62 lines
1.5 KiB
Ruby
62 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Ci::PrometheusMetrics::ObserveHistogramsService do
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let_it_be(:project) { create(:project) }
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let(:params) { {} }
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subject(:execute) { described_class.new(project, params).execute }
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before do
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Gitlab::Metrics.reset_registry!
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end
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context 'with empty data' do
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it 'does not raise errors' do
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is_expected.to be_success
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end
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end
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context 'observes metrics successfully' do
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let(:params) do
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{
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histograms: [
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{ name: 'pipeline_graph_link_calculation_duration_seconds', value: '1' },
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{ name: 'pipeline_graph_links_per_job_ratio', value: '0.9' }
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]
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}
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end
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it 'increments the metrics' do
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execute
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expect(histogram_data).to match(a_hash_including({ 0.8 => 0.0, 1 => 1.0, 2 => 1.0 }))
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expect(histogram_data(:pipeline_graph_links_per_job_ratio))
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.to match(a_hash_including({ 0.8 => 0.0, 0.9 => 1.0, 1 => 1.0 }))
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end
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it 'returns an empty body and status code' do
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is_expected.to be_success
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expect(subject.http_status).to eq(:created)
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expect(subject.payload).to eq({})
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end
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end
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context 'with unknown histograms' do
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let(:params) do
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{ histograms: [{ name: 'chunky_bacon', value: '4' }] }
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end
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it 'raises ActiveRecord::RecordNotFound error' do
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expect { subject }.to raise_error ActiveRecord::RecordNotFound
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end
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end
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def histogram_data(name = :pipeline_graph_link_calculation_duration_seconds)
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Gitlab::Metrics.registry.get(name)&.get({})
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end
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end
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