113 lines
2.7 KiB
Ruby
113 lines
2.7 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::RackAttack::Store, :clean_gitlab_redis_rate_limiting, feature_category: :scalability do
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let(:store) { described_class.new }
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let(:key) { 'foobar' }
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let(:namespaced_key) { "cache:gitlab:#{key}" }
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def with_redis(&block)
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Gitlab::Redis::RateLimiting.with(&block)
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end
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describe '#increment' do
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it 'increments without expiry' do
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5.times do |i|
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expect(store.increment(key, 1)).to eq(i + 1)
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with_redis do |redis|
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expect(redis.get(namespaced_key).to_i).to eq(i + 1)
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expect(redis.ttl(namespaced_key)).to eq(-1)
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end
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end
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end
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it 'rejects amounts other than 1' do
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expect { store.increment(key, 2) }.to raise_exception(described_class::InvalidAmount)
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end
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context 'with expiry' do
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it 'increments and sets expiry' do
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5.times do |i|
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expect(store.increment(key, 1, expires_in: 456)).to eq(i + 1)
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with_redis do |redis|
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expect(redis.get(namespaced_key).to_i).to eq(i + 1)
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expect(redis.ttl(namespaced_key)).to be_within(10).of(456)
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end
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end
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end
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end
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end
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describe '#read' do
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subject { store.read(key) }
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it 'reads the namespaced key' do
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with_redis { |r| r.set(namespaced_key, '123') }
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expect(subject).to eq('123')
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end
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end
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describe '#write' do
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subject { store.write(key, '123', options) }
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let(:options) { {} }
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it 'sets the key' do
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subject
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with_redis do |redis|
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expect(redis.get(namespaced_key)).to eq('123')
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expect(redis.ttl(namespaced_key)).to eq(-1)
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end
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end
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context 'with expiry' do
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let(:options) { { expires_in: 456 } }
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it 'sets the key with expiry' do
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subject
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with_redis do |redis|
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expect(redis.get(namespaced_key)).to eq('123')
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expect(redis.ttl(namespaced_key)).to be_within(10).of(456)
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end
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end
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end
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end
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describe '#delete' do
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subject { store.delete(key) }
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it { expect(subject).to eq(0) }
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context 'when the key exists' do
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before do
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with_redis { |r| r.set(namespaced_key, '123') }
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end
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it { expect(subject).to eq(1) }
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end
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end
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describe '#with' do
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subject { store.send(:with, &:ping) }
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it { expect(subject).to eq('PONG') }
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context 'when redis is unavailable' do
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before do
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broken_redis = Redis.new(
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url: 'redis://127.0.0.0:0',
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instrumentation_class: Gitlab::Redis::RateLimiting.instrumentation_class
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)
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allow(Gitlab::Redis::RateLimiting).to receive(:with).and_yield(broken_redis)
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end
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it { expect(subject).to eq(nil) }
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end
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end
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end
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