3e561736b2
By caching the number of personal SSH keys we reduce the number of queries necessary on pages such as ProjectsController#show (which can end up querying this data multiple times). The cache is refreshed/flushed whenever an SSH key is added, removed, or when a user is removed.
66 lines
1.5 KiB
Ruby
66 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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describe Users::KeysCountService, :use_clean_rails_memory_store_caching do
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let(:user) { create(:user) }
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let(:service) { described_class.new(user) }
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describe '#count' do
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before do
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create(:personal_key, user: user)
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end
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it 'returns the number of SSH keys as an Integer' do
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expect(service.count).to eq(1)
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end
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it 'caches the number of keys in Redis' do
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service.delete_cache
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recorder = ActiveRecord::QueryRecorder.new do
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2.times { service.count }
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end
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expect(recorder.count).to eq(1)
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end
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end
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describe '#refresh_cache' do
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it 'refreshes the Redis cache' do
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Rails.cache.write(service.cache_key, 10)
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service.refresh_cache
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expect(Rails.cache.fetch(service.cache_key, raw: true)).to be_zero
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end
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end
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describe '#delete_cache' do
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it 'removes the cache' do
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service.count
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service.delete_cache
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expect(Rails.cache.fetch(service.cache_key, raw: true)).to be_nil
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end
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end
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describe '#uncached_count' do
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it 'returns the number of SSH keys' do
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expect(service.uncached_count).to be_zero
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end
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it 'does not cache the number of keys' do
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recorder = ActiveRecord::QueryRecorder.new do
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2.times { service.uncached_count }
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end
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expect(recorder.count).to be > 0
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end
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end
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describe '#cache_key' do
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it 'returns the cache key' do
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expect(service.cache_key).to eq("users/key-count-service/#{user.id}")
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end
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end
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end
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