gitlab-org--gitlab-foss/spec/lib/gitlab/shard_health_cache_spec.rb

54 lines
1.3 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::ShardHealthCache, :clean_gitlab_redis_cache do
let(:shards) { %w(foo bar) }
before do
described_class.update(shards)
end
describe '.clear' do
it 'leaves no shards around' do
described_class.clear
expect(described_class.healthy_shard_count).to eq(0)
end
end
describe '.update' do
it 'returns the healthy shards' do
expect(described_class.cached_healthy_shards).to match_array(shards)
end
it 'replaces the existing set' do
new_set = %w(test me more)
described_class.update(new_set)
expect(described_class.cached_healthy_shards).to match_array(new_set)
end
end
describe '.healthy_shard_count' do
it 'returns the healthy shard count' do
expect(described_class.healthy_shard_count).to eq(2)
end
it 'returns 0 if no shards are available' do
described_class.update([])
expect(described_class.healthy_shard_count).to eq(0)
end
end
describe '.healthy_shard?' do
it 'returns true for a healthy shard' do
expect(described_class.healthy_shard?('foo')).to be_truthy
end
it 'returns false for an unknown shard' do
expect(described_class.healthy_shard?('unknown')).to be_falsey
end
end
end