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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Metrics::Dashboard::Stages::MetricEndpointInserter do
include MetricsDashboardHelpers
let(:project) { build_stubbed(:project) }
let(:environment) { build_stubbed(:environment, project: project) }
describe '#transform!' do
subject(:transform!) { described_class.new(project, dashboard, environment: environment).transform! }
let(:dashboard) { load_sample_dashboard.deep_symbolize_keys }
it 'generates prometheus_endpoint_path without newlines' do
query = 'avg( sum( container_memory_usage_bytes{ container_name!="POD", '\
'pod_name=~"^{{ci_environment_slug}}-(.*)", namespace="{{kube_namespace}}" } ) '\
'by (job) ) without (job) /1024/1024/1024'
transform!
expect(all_metrics[2][:prometheus_endpoint_path]).to eq(prometheus_path(query))
end
it 'includes a path for the prometheus endpoint with each metric' do
transform!
expect(all_metrics).to satisfy_all do |metric|
metric[:prometheus_endpoint_path].present? && !metric[:prometheus_endpoint_path].include?("\n")
end
end
it 'works when query/query_range is a number' do
query = 2000
transform!
expect(all_metrics[1][:prometheus_endpoint_path]).to eq(prometheus_path(query))
end
end
private
def all_metrics
dashboard[:panel_groups].flat_map do |group|
group[:panels].flat_map { |panel| panel[:metrics] }
end
end
def prometheus_path(query)
Gitlab::Routing.url_helpers.prometheus_api_project_environment_path(
project,
environment,
proxy_path: :query_range,
query: query
)
end
end
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