debian-mirror-gitlab/spec/initializers/diagnostic_reports_spec.rb
2023-03-05 14:24:40 +05:30

81 lines
2.8 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe 'diagnostic reports', :aggregate_failures, feature_category: :application_performance do
subject(:load_initializer) do
load Rails.root.join('config/initializers/diagnostic_reports.rb')
end
shared_examples 'does not modify worker hooks' do
it do
expect(Gitlab::Cluster::LifecycleEvents).not_to receive(:on_worker_start)
expect(Gitlab::Cluster::LifecycleEvents).not_to receive(:on_worker_stop)
expect(Gitlab::Memory::ReportsDaemon).not_to receive(:instance)
expect(Gitlab::Memory::Reporter).not_to receive(:new)
load_initializer
end
end
context 'when GITLAB_DIAGNOSTIC_REPORTS_ENABLED is set to true' do
before do
stub_env('GITLAB_DIAGNOSTIC_REPORTS_ENABLED', true)
end
context 'when run in Puma context' do
before do
allow(::Gitlab::Runtime).to receive(:puma?).and_return(true)
end
let(:report_daemon) { instance_double(Gitlab::Memory::ReportsDaemon) }
let(:reporter) { instance_double(Gitlab::Memory::Reporter) }
it 'modifies worker startup hooks, starts Gitlab::Memory::ReportsDaemon' do
expect(Gitlab::Cluster::LifecycleEvents).to receive(:on_worker_start).and_call_original
expect(Gitlab::Cluster::LifecycleEvents).to receive(:on_worker_stop) # stub this out to not mutate global state
expect_next_instance_of(Gitlab::Memory::ReportsDaemon) do |daemon|
expect(daemon).to receive(:start)
end
load_initializer
end
it 'writes scheduled heap dumps in on_worker_stop' do
expect(Gitlab::Cluster::LifecycleEvents).to receive(:on_worker_start)
expect(Gitlab::Cluster::LifecycleEvents).to receive(:on_worker_stop).and_call_original
expect(Gitlab::Memory::Reporter).to receive(:new).and_return(reporter)
expect(reporter).to receive(:run_report).with(an_instance_of(Gitlab::Memory::Reports::HeapDump))
load_initializer
# This is necessary because this hook normally fires during worker shutdown.
Gitlab::Cluster::LifecycleEvents.do_worker_stop
end
end
context 'when run in non-Puma context, such as rails console, tests, Sidekiq' do
before do
allow(::Gitlab::Runtime).to receive(:puma?).and_return(false)
end
include_examples 'does not modify worker hooks'
end
end
context 'when GITLAB_DIAGNOSTIC_REPORTS_ENABLED is not set' do
before do
allow(::Gitlab::Runtime).to receive(:puma?).and_return(true)
end
include_examples 'does not modify worker hooks'
end
context 'when GITLAB_DIAGNOSTIC_REPORTS_ENABLED is set to false' do
before do
stub_env('GITLAB_DIAGNOSTIC_REPORTS_ENABLED', false)
allow(::Gitlab::Runtime).to receive(:puma?).and_return(true)
end
include_examples 'does not modify worker hooks'
end
end