debian-mirror-gitlab/spec/lib/gitlab/health_checks/unicorn_check_spec.rb
2020-08-09 17:44:08 +05:30

68 lines
1.8 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::HealthChecks::UnicornCheck do
let(:result_class) { Gitlab::HealthChecks::Result }
let(:readiness) { described_class.readiness }
let(:metrics) { described_class.metrics }
before do
described_class.clear_memoization(:http_servers)
end
shared_examples 'with state' do |(state, message)|
it "does provide readiness" do
expect(readiness).to eq(result_class.new('unicorn_check', state, message))
end
it "does provide metrics" do
expect(metrics).to include(
an_object_having_attributes(name: 'unicorn_check_success', value: state ? 1 : 0))
expect(metrics).to include(
an_object_having_attributes(name: 'unicorn_check_latency_seconds', value: be >= 0))
end
end
context 'when Unicorn is not loaded' do
before do
allow(Gitlab::Runtime).to receive(:unicorn?).and_return(false)
hide_const('Unicorn')
end
it "does not provide readiness and metrics" do
expect(readiness).to be_nil
expect(metrics).to be_nil
end
end
context 'when Unicorn is loaded' do
let(:http_server_class) { Struct.new(:worker_processes) }
before do
allow(Gitlab::Runtime).to receive(:unicorn?).and_return(true)
stub_const('Unicorn::HttpServer', http_server_class)
end
context 'when no servers are running' do
it_behaves_like 'with state', [false, 'unexpected Unicorn check result: 0']
end
context 'when servers without workers are running' do
before do
http_server_class.new(0)
end
it_behaves_like 'with state', [false, 'unexpected Unicorn check result: 0']
end
context 'when servers with workers are running' do
before do
http_server_class.new(1)
end
it_behaves_like 'with state', true
end
end
end