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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe 'clearing redis cache', :clean_gitlab_redis_repository_cache, :clean_gitlab_redis_cache,
:silence_stdout, :use_null_store_as_repository_cache, feature_category: :redis do
before do
Rake.application.rake_require 'tasks/cache'
end
let(:keys_size_changed) { -1 }
shared_examples 'clears the cache' do |redis|
it { expect { run_rake_task('cache:clear:redis') }.to change { redis_keys(redis).size }.by(keys_size_changed) }
end
describe 'clearing pipeline status cache' do
let(:pipeline_status) do
project = create(:project, :repository)
create(:ci_pipeline, project: project).project.pipeline_status
end
before do
allow(pipeline_status).to receive(:loaded).and_return(nil)
end
it_behaves_like 'clears the cache', Gitlab::Redis::Cache
end
describe 'clearing set caches' do
context 'repository set' do
let(:project) { create(:project) }
let(:repository) { project.repository }
let(:cache) { Gitlab::RepositorySetCache.new(repository) }
before do
cache.write(:foo, [:bar])
end
it_behaves_like 'clears the cache', Gitlab::Redis::RepositoryCache
end
context 'reactive cache set' do
let(:cache) { Gitlab::ReactiveCacheSetCache.new }
before do
cache.write(:foo, :bar)
end
it_behaves_like 'clears the cache', Gitlab::Redis::Cache
end
end
def redis_keys(redis_instance)
# multiple scans to look across different shards if cache is using a Redis Cluster
cursor, scanned_keys = redis_instance.with { |redis| redis.scan(0, match: "*") }
while cursor != "0"
cursor, keys = redis_instance.with { |redis| redis.scan(cursor, match: "*") }
scanned_keys << keys
end
scanned_keys.flatten
end
end
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