debian-mirror-gitlab/spec/models/concerns/prometheus_adapter_spec.rb

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2018-03-27 19:54:05 +05:30
require 'spec_helper'
describe PrometheusAdapter, :use_clean_rails_memory_store_caching do
include PrometheusHelpers
include ReactiveCachingHelpers
class TestClass
include PrometheusAdapter
end
let(:project) { create(:prometheus_project) }
let(:service) { project.prometheus_service }
let(:described_class) { TestClass }
let(:environment_query) { Gitlab::Prometheus::Queries::EnvironmentQuery }
describe '#query' do
describe 'environment' do
let(:environment) { build_stubbed(:environment, slug: 'env-slug') }
around do |example|
Timecop.freeze { example.run }
end
context 'with valid data' do
subject { service.query(:environment, environment) }
before do
stub_reactive_cache(service, prometheus_data, environment_query, environment.id)
end
it 'returns reactive data' do
is_expected.to eq(prometheus_metrics_data)
end
end
end
describe 'matched_metrics' do
let(:matched_metrics_query) { Gitlab::Prometheus::Queries::MatchedMetricQuery }
let(:prometheus_client_wrapper) { double(:prometheus_client_wrapper, label_values: nil) }
context 'with valid data' do
subject { service.query(:matched_metrics) }
before do
allow(service).to receive(:prometheus_client_wrapper).and_return(prometheus_client_wrapper)
synchronous_reactive_cache(service)
end
it 'returns reactive data' do
expect(subject[:success]).to be_truthy
expect(subject[:data]).to eq([])
end
end
end
describe 'deployment' do
let(:deployment) { build_stubbed(:deployment) }
let(:deployment_query) { Gitlab::Prometheus::Queries::DeploymentQuery }
around do |example|
Timecop.freeze { example.run }
end
context 'with valid data' do
subject { service.query(:deployment, deployment) }
before do
stub_reactive_cache(service, prometheus_data, deployment_query, deployment.id)
end
it 'returns reactive data' do
expect(subject).to eq(prometheus_metrics_data)
end
end
end
end
describe '#calculate_reactive_cache' do
let(:environment) { create(:environment, slug: 'env-slug') }
before do
service.manual_configuration = true
service.active = true
end
subject do
service.calculate_reactive_cache(environment_query.name, environment.id)
end
around do |example|
Timecop.freeze { example.run }
end
context 'when service is inactive' do
before do
service.active = false
end
it { is_expected.to be_nil }
end
context 'when Prometheus responds with valid data' do
before do
stub_all_prometheus_requests(environment.slug)
end
it { expect(subject.to_json).to eq(prometheus_data.to_json) }
it { expect(subject.to_json).to eq(prometheus_data.to_json) }
end
[404, 500].each do |status|
context "when Prometheus responds with #{status}" do
before do
stub_all_prometheus_requests(environment.slug, status: status, body: "QUERY FAILED!")
end
it { is_expected.to eq(success: false, result: %(#{status} - "QUERY FAILED!")) }
end
end
end
end