diff options
Diffstat (limited to 'spec/lib/gitlab/database/health_status/indicators/write_ahead_log_spec.rb')
-rw-r--r-- | spec/lib/gitlab/database/health_status/indicators/write_ahead_log_spec.rb | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/spec/lib/gitlab/database/health_status/indicators/write_ahead_log_spec.rb b/spec/lib/gitlab/database/health_status/indicators/write_ahead_log_spec.rb new file mode 100644 index 00000000000..aa2aee4f94a --- /dev/null +++ b/spec/lib/gitlab/database/health_status/indicators/write_ahead_log_spec.rb @@ -0,0 +1,68 @@ +# frozen_string_literal: true + +require 'spec_helper' + +RSpec.describe Gitlab::Database::HealthStatus::Indicators::WriteAheadLog, feature_category: :database do + let(:connection) { Gitlab::Database.database_base_models[:main].connection } + + around do |example| + Gitlab::Database::SharedModel.using_connection(connection) do + example.run + end + end + + describe '#evaluate' do + let(:tables) { [table] } + let(:table) { 'users' } + let(:context) do + Gitlab::Database::HealthStatus::Context.new( + described_class, + connection, + tables, + :gitlab_main + ) + end + + subject(:evaluate) { described_class.new(context).evaluate } + + it 'remembers the indicator class' do + expect(evaluate.indicator_class).to eq(described_class) + end + + it 'returns NoSignal signal in case the feature flag is disabled' do + stub_feature_flags(batched_migrations_health_status_wal: false) + + expect(evaluate).to be_a(Gitlab::Database::HealthStatus::Signals::NotAvailable) + expect(evaluate.reason).to include('indicator disabled') + end + + it 'returns NoSignal signal when WAL archive queue can not be calculated' do + expect(connection).to receive(:execute).and_return([{ 'pending_wal_count' => nil }]) + + expect(evaluate).to be_a(Gitlab::Database::HealthStatus::Signals::NotAvailable) + expect(evaluate.reason).to include('WAL archive queue can not be calculated') + end + + it 'uses primary database' do + expect(Gitlab::Database::LoadBalancing::Session.current).to receive(:use_primary).and_yield + + evaluate + end + + context 'when WAL archive queue size is below the limit' do + it 'returns Normal signal' do + expect(connection).to receive(:execute).and_return([{ 'pending_wal_count' => 1 }]) + expect(evaluate).to be_a(Gitlab::Database::HealthStatus::Signals::Normal) + expect(evaluate.reason).to include('WAL archive queue is within limit') + end + end + + context 'when WAL archive queue size is above the limit' do + it 'returns Stop signal' do + expect(connection).to receive(:execute).and_return([{ 'pending_wal_count' => 420 }]) + expect(evaluate).to be_a(Gitlab::Database::HealthStatus::Signals::Stop) + expect(evaluate.reason).to include('WAL archive queue is too big') + end + end + end +end |