123 lines
3.4 KiB
Ruby
123 lines
3.4 KiB
Ruby
# frozen_string_literal: true
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require 'rails_helper'
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describe Gitlab::DatabaseImporters::CommonMetrics::Importer do
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subject { described_class.new }
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context "does import common_metrics.yml" do
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let(:groups) { subject.content['panel_groups'] }
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let(:panels) { groups.map { |group| group['panels'] }.flatten }
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let(:metrics) { panels.map { |group| group['metrics'] }.flatten }
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let(:metric_ids) { metrics.map { |metric| metric['id'] } }
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before do
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subject.execute
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end
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it "has the same amount of groups" do
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expect(PrometheusMetric.common.group(:group).count.count).to eq(groups.count)
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end
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it "has the same amount of panels" do
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expect(PrometheusMetric.common.group(:group, :title).count.count).to eq(panels.count)
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end
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it "has the same amount of metrics" do
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expect(PrometheusMetric.common.count).to eq(metrics.count)
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end
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it "does not have duplicate IDs" do
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expect(metric_ids).to eq(metric_ids.uniq)
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end
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it "imports all IDs" do
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expect(PrometheusMetric.common.pluck(:identifier)).to contain_exactly(*metric_ids)
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end
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end
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context "does import common_metrics.yml" do
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it "when executed from outside of the Rails.root" do
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Dir.chdir(Dir.tmpdir) do
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expect { subject.execute }.not_to raise_error
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end
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expect(PrometheusMetric.common).not_to be_empty
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end
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end
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context 'does import properly all fields' do
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let(:query_identifier) { 'response-metric' }
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let(:dashboard) do
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{
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panel_groups: [{
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group: 'Response metrics (NGINX Ingress)',
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panels: [{
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title: "Throughput",
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y_label: "Requests / Sec",
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metrics: [{
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id: query_identifier,
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query_range: 'my-query',
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unit: 'my-unit',
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label: 'status code'
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}]
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}]
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}]
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}
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end
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before do
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expect(subject).to receive(:content) { dashboard.deep_stringify_keys }
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end
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shared_examples 'stores metric' do
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let(:metric) { PrometheusMetric.find_by(identifier: query_identifier) }
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it 'with all data' do
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expect(metric.group).to eq('nginx_ingress')
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expect(metric.title).to eq('Throughput')
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expect(metric.y_label).to eq('Requests / Sec')
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expect(metric.unit).to eq('my-unit')
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expect(metric.legend).to eq('status code')
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expect(metric.query).to eq('my-query')
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end
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end
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context 'if ID is missing' do
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let(:query_identifier) { }
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it 'raises exception' do
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expect { subject.execute }.to raise_error(Gitlab::DatabaseImporters::CommonMetrics::Importer::MissingQueryId)
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end
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end
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context 'for existing common metric with different ID' do
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let!(:existing_metric) { create(:prometheus_metric, :common, identifier: 'my-existing-metric') }
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before do
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subject.execute
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end
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it_behaves_like 'stores metric' do
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it 'and existing metric is not changed' do
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expect(metric).not_to eq(existing_metric)
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end
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end
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end
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context 'when metric with ID exists ' do
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let!(:existing_metric) { create(:prometheus_metric, :common, identifier: 'response-metric') }
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before do
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subject.execute
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end
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it_behaves_like 'stores metric' do
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it 'and existing metric is changed' do
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expect(metric).to eq(existing_metric)
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end
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end
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end
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end
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end
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