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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe ObjectStorage::CDN::GoogleIpCache,
:use_clean_rails_memory_store_caching, :use_clean_rails_redis_caching do
include StubRequests
let(:subnets) { [IPAddr.new("34.80.0.0/15"), IPAddr.new("2600:1900:4180::/44")] }
let(:public_ip) { '18.245.0.42' }
describe '.update!' do
it 'caches to both L1 and L2 caches' do
expect(Gitlab::ProcessMemoryCache.cache_backend.exist?(described_class::GOOGLE_CDN_LIST_KEY)).to be false
expect(Rails.cache.exist?(described_class::GOOGLE_CDN_LIST_KEY)).to be false
described_class.update!(subnets)
expect(Gitlab::ProcessMemoryCache.cache_backend.fetch(described_class::GOOGLE_CDN_LIST_KEY)).to eq(subnets)
expect(Rails.cache.fetch(described_class::GOOGLE_CDN_LIST_KEY)).to eq(subnets)
end
end
describe '.ready?' do
it 'returns false' do
expect(described_class.ready?).to be false
end
it 'returns true' do
described_class.update!(subnets)
expect(described_class.ready?).to be true
end
end
describe '.google_ip?' do
using RSpec::Parameterized::TableSyntax
where(:ip_address, :expected) do
'34.80.0.1' | true
'18.245.0.42' | false
'2500:1900:4180:0000:0000:0000:0000:0000' | false
'2600:1900:4180:0000:0000:0000:0000:0000' | true
'10.10.1.5' | false
'fc00:0000:0000:0000:0000:0000:0000:0000' | false
end
before do
described_class.update!(subnets)
end
with_them do
it { expect(described_class.google_ip?(ip_address)).to eq(expected) }
end
it 'uses the L2 cache and updates the L1 cache when L1 is missing' do
Gitlab::ProcessMemoryCache.cache_backend.delete(described_class::GOOGLE_CDN_LIST_KEY)
expect(Rails.cache.fetch(described_class::GOOGLE_CDN_LIST_KEY)).to eq(subnets)
expect(described_class.google_ip?(public_ip)).to be false
expect(Gitlab::ProcessMemoryCache.cache_backend.fetch(described_class::GOOGLE_CDN_LIST_KEY)).to eq(subnets)
expect(Rails.cache.fetch(described_class::GOOGLE_CDN_LIST_KEY)).to eq(subnets)
end
it 'avoids populating L1 cache if L2 is missing' do
Gitlab::ProcessMemoryCache.cache_backend.delete(described_class::GOOGLE_CDN_LIST_KEY)
Rails.cache.delete(described_class::GOOGLE_CDN_LIST_KEY)
expect(described_class.google_ip?(public_ip)).to be false
expect(Gitlab::ProcessMemoryCache.cache_backend.exist?(described_class::GOOGLE_CDN_LIST_KEY)).to be false
expect(Rails.cache.exist?(described_class::GOOGLE_CDN_LIST_KEY)).to be false
end
end
describe '.async_refresh' do
it 'schedules the worker' do
expect(::GoogleCloud::FetchGoogleIpListWorker).to receive(:perform_async)
described_class.async_refresh
end
end
end
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