debian-mirror-gitlab/spec/lib/gitlab/database/reindexing/coordinator_spec.rb
2021-03-08 18:12:59 +05:30

82 lines
2.7 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Database::Reindexing::Coordinator do
include Database::DatabaseHelpers
include ExclusiveLeaseHelpers
describe '.perform' do
subject { described_class.new(index, notifier).perform }
before do
swapout_view_for_table(:postgres_indexes)
allow(Gitlab::Database::Reindexing::ConcurrentReindex).to receive(:new).with(index).and_return(reindexer)
allow(Gitlab::Database::Reindexing::ReindexAction).to receive(:create_for).with(index).and_return(action)
end
let(:index) { create(:postgres_index) }
let(:notifier) { instance_double(Gitlab::Database::Reindexing::GrafanaNotifier, notify_start: nil, notify_end: nil) }
let(:reindexer) { instance_double(Gitlab::Database::Reindexing::ConcurrentReindex, perform: nil) }
let(:action) { create(:reindex_action, index: index) }
let!(:lease) { stub_exclusive_lease(lease_key, uuid, timeout: lease_timeout) }
let(:lease_key) { 'gitlab/database/reindexing/coordinator' }
let(:lease_timeout) { 1.day }
let(:uuid) { 'uuid' }
context 'locking' do
it 'acquires a lock while reindexing' do
expect(lease).to receive(:try_obtain).ordered.and_return(uuid)
expect(reindexer).to receive(:perform).ordered
expect(Gitlab::ExclusiveLease).to receive(:cancel).ordered.with(lease_key, uuid)
subject
end
it 'does not perform reindexing actions if lease is not granted' do
expect(lease).to receive(:try_obtain).ordered.and_return(false)
expect(Gitlab::Database::Reindexing::ConcurrentReindex).not_to receive(:new)
subject
end
end
context 'notifications' do
it 'sends #notify_start before reindexing' do
expect(notifier).to receive(:notify_start).with(action).ordered
expect(reindexer).to receive(:perform).ordered
subject
end
it 'sends #notify_end after reindexing and updating the action is done' do
expect(action).to receive(:finish).ordered
expect(notifier).to receive(:notify_end).with(action).ordered
subject
end
end
context 'action tracking' do
it 'calls #finish on the action' do
expect(reindexer).to receive(:perform).ordered
expect(action).to receive(:finish).ordered
subject
end
it 'upon error, it still calls finish and raises the error' do
expect(reindexer).to receive(:perform).ordered.and_raise('something went wrong')
expect(action).to receive(:finish).ordered
expect { subject }.to raise_error(/something went wrong/)
expect(action).to be_failed
end
end
end
end