713 lines
23 KiB
Ruby
713 lines
23 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::SidekiqMiddleware::DuplicateJobs::DuplicateJob, :clean_gitlab_redis_queues do
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using RSpec::Parameterized::TableSyntax
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subject(:duplicate_job) do
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described_class.new(job, queue)
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end
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let(:wal_locations) do
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{
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main: '0/D525E3A8',
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ci: 'AB/12345'
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}
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end
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let(:job) { { 'class' => 'AuthorizedProjectsWorker', 'args' => [1], 'jid' => '123', 'wal_locations' => wal_locations } }
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let(:queue) { 'authorized_projects' }
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let(:idempotency_key) do
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hash = Digest::SHA256.hexdigest("#{job['class']}:#{Sidekiq.dump_json(job['args'])}")
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"#{Gitlab::Redis::Queues::SIDEKIQ_NAMESPACE}:duplicate:#{queue}:#{hash}"
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end
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let(:deduplicated_flag_key) do
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"#{idempotency_key}:deduplicate_flag"
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end
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describe '#schedule' do
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shared_examples 'scheduling with deduplication class' do |strategy_class|
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it 'calls schedule on the strategy' do
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expect do |block|
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expect_next_instance_of("Gitlab::SidekiqMiddleware::DuplicateJobs::Strategies::#{strategy_class}".constantize) do |strategy|
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expect(strategy).to receive(:schedule).with(job, &block)
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end
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duplicate_job.schedule(&block)
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end.to yield_control
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end
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end
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it_behaves_like 'scheduling with deduplication class', 'UntilExecuting'
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context 'when the deduplication depends on a FF' do
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before do
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skip_feature_flags_yaml_validation
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skip_default_enabled_yaml_check
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allow(AuthorizedProjectsWorker).to receive(:get_deduplication_options).and_return(feature_flag: :my_feature_flag)
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end
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context 'when the feature flag is enabled' do
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before do
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stub_feature_flags(my_feature_flag: true)
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end
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it_behaves_like 'scheduling with deduplication class', 'UntilExecuting'
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end
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context 'when the feature flag is disabled' do
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before do
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stub_feature_flags(my_feature_flag: false)
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end
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it_behaves_like 'scheduling with deduplication class', 'None'
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end
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end
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end
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describe '#perform' do
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it 'calls perform on the strategy' do
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expect do |block|
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expect_next_instance_of(Gitlab::SidekiqMiddleware::DuplicateJobs::Strategies::UntilExecuting) do |strategy|
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expect(strategy).to receive(:perform).with(job, &block)
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end
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duplicate_job.perform(&block)
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end.to yield_control
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end
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end
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describe '#check!' do
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context 'when there was no job in the queue yet' do
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it { expect(duplicate_job.check!).to eq('123') }
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shared_examples 'sets Redis keys with correct TTL' do
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it "adds an idempotency key with correct ttl" do
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expect { duplicate_job.check! }
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.to change { read_idempotency_key_with_ttl(idempotency_key) }
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.from([nil, -2])
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.to(['123', be_within(1).of(expected_ttl)])
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end
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context 'when wal locations is not empty' do
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it "adds an existing wal locations key with correct ttl" do
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expect { duplicate_job.check! }
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.to change { read_idempotency_key_with_ttl(existing_wal_location_key(idempotency_key, :main)) }
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.from([nil, -2])
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.to([wal_locations[:main], be_within(1).of(expected_ttl)])
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.and change { read_idempotency_key_with_ttl(existing_wal_location_key(idempotency_key, :ci)) }
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.from([nil, -2])
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.to([wal_locations[:ci], be_within(1).of(expected_ttl)])
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end
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end
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end
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context 'with TTL option is not set' do
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let(:expected_ttl) { described_class::DEFAULT_DUPLICATE_KEY_TTL }
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it_behaves_like 'sets Redis keys with correct TTL'
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end
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context 'when TTL option is set' do
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let(:expected_ttl) { 5.minutes }
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before do
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allow(duplicate_job).to receive(:options).and_return({ ttl: expected_ttl })
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end
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it_behaves_like 'sets Redis keys with correct TTL'
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end
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context 'when preserve_latest_wal_locations_for_idempotent_jobs feature flag is disabled' do
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before do
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stub_feature_flags(preserve_latest_wal_locations_for_idempotent_jobs: false)
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end
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it "does not change the existing wal locations key's TTL" do
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expect { duplicate_job.check! }
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.to not_change { read_idempotency_key_with_ttl(existing_wal_location_key(idempotency_key, :main)) }
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.from([nil, -2])
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.and not_change { read_idempotency_key_with_ttl(existing_wal_location_key(idempotency_key, :ci)) }
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.from([nil, -2])
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end
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end
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it "adds the idempotency key to the jobs payload" do
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expect { duplicate_job.check! }.to change { job['idempotency_key'] }.from(nil).to(idempotency_key)
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end
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end
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context 'when there was already a job with same arguments in the same queue' do
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before do
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set_idempotency_key(idempotency_key, 'existing-key')
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wal_locations.each do |config_name, location|
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set_idempotency_key(existing_wal_location_key(idempotency_key, config_name), location)
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end
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end
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it { expect(duplicate_job.check!).to eq('existing-key') }
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it "does not change the existing key's TTL" do
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expect { duplicate_job.check! }
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.not_to change { read_idempotency_key_with_ttl(idempotency_key) }
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.from(['existing-key', -1])
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end
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it "does not change the existing wal locations key's TTL" do
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expect { duplicate_job.check! }
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.to not_change { read_idempotency_key_with_ttl(existing_wal_location_key(idempotency_key, :main)) }
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.from([wal_locations[:main], -1])
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.and not_change { read_idempotency_key_with_ttl(existing_wal_location_key(idempotency_key, :ci)) }
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.from([wal_locations[:ci], -1])
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end
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it 'sets the existing jid' do
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duplicate_job.check!
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expect(duplicate_job.existing_jid).to eq('existing-key')
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end
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end
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end
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describe '#update_latest_wal_location!' do
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before do
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allow(Gitlab::Database).to receive(:database_base_models).and_return(
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{ main: ::ActiveRecord::Base,
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ci: ::ActiveRecord::Base })
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set_idempotency_key(existing_wal_location_key(idempotency_key, :main), existing_wal[:main])
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set_idempotency_key(existing_wal_location_key(idempotency_key, :ci), existing_wal[:ci])
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# read existing_wal_locations
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duplicate_job.check!
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end
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context 'when preserve_latest_wal_locations_for_idempotent_jobs feature flag is disabled' do
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let(:existing_wal) { {} }
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before do
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stub_feature_flags(preserve_latest_wal_locations_for_idempotent_jobs: false)
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end
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it "doesn't call Sidekiq.redis" do
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expect(Sidekiq).not_to receive(:redis)
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duplicate_job.update_latest_wal_location!
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end
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it "doesn't update a wal location to redis with an offset" do
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expect { duplicate_job.update_latest_wal_location! }
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.to not_change { read_range_from_redis(wal_location_key(idempotency_key, :main)) }
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.from([])
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.and not_change { read_range_from_redis(wal_location_key(idempotency_key, :ci)) }
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.from([])
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end
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end
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context "when the key doesn't exists in redis" do
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let(:existing_wal) do
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{
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main: '0/D525E3A0',
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ci: 'AB/12340'
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}
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end
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let(:new_wal_location_with_offset) do
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{
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# offset is relative to `existing_wal`
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main: ['0/D525E3A8', '8'],
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ci: ['AB/12345', '5']
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}
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end
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let(:wal_locations) { new_wal_location_with_offset.transform_values(&:first) }
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it 'stores a wal location to redis with an offset relative to existing wal location' do
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expect { duplicate_job.update_latest_wal_location! }
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.to change { read_range_from_redis(wal_location_key(idempotency_key, :main)) }
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.from([])
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.to(new_wal_location_with_offset[:main])
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.and change { read_range_from_redis(wal_location_key(idempotency_key, :ci)) }
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.from([])
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.to(new_wal_location_with_offset[:ci])
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end
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end
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context "when the key exists in redis" do
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before do
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rpush_to_redis_key(wal_location_key(idempotency_key, :main), *stored_wal_location_with_offset[:main])
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rpush_to_redis_key(wal_location_key(idempotency_key, :ci), *stored_wal_location_with_offset[:ci])
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end
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let(:wal_locations) { new_wal_location_with_offset.transform_values(&:first) }
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context "when the new offset is bigger then the existing one" do
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let(:existing_wal) do
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{
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main: '0/D525E3A0',
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ci: 'AB/12340'
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}
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end
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let(:stored_wal_location_with_offset) do
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{
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# offset is relative to `existing_wal`
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main: ['0/D525E3A3', '3'],
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ci: ['AB/12342', '2']
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}
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end
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let(:new_wal_location_with_offset) do
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{
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# offset is relative to `existing_wal`
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main: ['0/D525E3A8', '8'],
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ci: ['AB/12345', '5']
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}
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end
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it 'updates a wal location to redis with an offset' do
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expect { duplicate_job.update_latest_wal_location! }
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.to change { read_range_from_redis(wal_location_key(idempotency_key, :main)) }
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.from(stored_wal_location_with_offset[:main])
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.to(new_wal_location_with_offset[:main])
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.and change { read_range_from_redis(wal_location_key(idempotency_key, :ci)) }
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.from(stored_wal_location_with_offset[:ci])
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.to(new_wal_location_with_offset[:ci])
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end
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end
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context "when the old offset is not bigger then the existing one" do
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let(:existing_wal) do
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{
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main: '0/D525E3A0',
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ci: 'AB/12340'
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}
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end
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let(:stored_wal_location_with_offset) do
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{
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# offset is relative to `existing_wal`
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main: ['0/D525E3A8', '8'],
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ci: ['AB/12345', '5']
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}
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end
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let(:new_wal_location_with_offset) do
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{
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# offset is relative to `existing_wal`
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main: ['0/D525E3A2', '2'],
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ci: ['AB/12342', '2']
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}
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end
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it "does not update a wal location to redis with an offset" do
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expect { duplicate_job.update_latest_wal_location! }
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.to not_change { read_range_from_redis(wal_location_key(idempotency_key, :main)) }
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.from(stored_wal_location_with_offset[:main])
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.and not_change { read_range_from_redis(wal_location_key(idempotency_key, :ci)) }
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.from(stored_wal_location_with_offset[:ci])
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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 '#latest_wal_locations' do
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context 'when job was deduplicated and wal locations were already persisted' do
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before do
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rpush_to_redis_key(wal_location_key(idempotency_key, :main), wal_locations[:main], 1024)
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rpush_to_redis_key(wal_location_key(idempotency_key, :ci), wal_locations[:ci], 1024)
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end
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it { expect(duplicate_job.latest_wal_locations).to eq(wal_locations) }
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end
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context 'when job is not deduplication and wal locations were not persisted' do
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it { expect(duplicate_job.latest_wal_locations).to be_empty }
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end
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context 'when preserve_latest_wal_locations_for_idempotent_jobs feature flag is disabled' do
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before do
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stub_feature_flags(preserve_latest_wal_locations_for_idempotent_jobs: false)
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end
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it "doesn't call Sidekiq.redis" do
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expect(Sidekiq).not_to receive(:redis)
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duplicate_job.latest_wal_locations
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end
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it { expect(duplicate_job.latest_wal_locations).to eq({}) }
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end
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end
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describe '#delete!' do
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context "when we didn't track the definition" do
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it { expect { duplicate_job.delete! }.not_to raise_error }
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end
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context 'when the key exists in redis' do
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before do
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set_idempotency_key(idempotency_key, 'existing-jid')
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set_idempotency_key(deduplicated_flag_key, 1)
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wal_locations.each do |config_name, location|
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set_idempotency_key(existing_wal_location_key(idempotency_key, config_name), location)
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set_idempotency_key(wal_location_key(idempotency_key, config_name), location)
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end
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end
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shared_examples 'deleting the duplicate job' do
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shared_examples 'deleting keys from redis' do |key_name|
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it "removes the #{key_name} from redis" do
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expect { duplicate_job.delete! }
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.to change { read_idempotency_key_with_ttl(key) }
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.from([from_value, -1])
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.to([nil, -2])
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end
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end
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shared_examples 'does not delete key from redis' do |key_name|
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it "does not remove the #{key_name} from redis" do
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expect { duplicate_job.delete! }
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.to not_change { read_idempotency_key_with_ttl(key) }
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.from([from_value, -1])
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end
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end
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it_behaves_like 'deleting keys from redis', 'idempotent key' do
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let(:key) { idempotency_key }
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let(:from_value) { 'existing-jid' }
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end
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it_behaves_like 'deleting keys from redis', 'deduplication counter key' do
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let(:key) { deduplicated_flag_key }
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let(:from_value) { '1' }
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end
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it_behaves_like 'deleting keys from redis', 'existing wal location keys for main database' do
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let(:key) { existing_wal_location_key(idempotency_key, :main) }
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let(:from_value) { wal_locations[:main] }
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end
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it_behaves_like 'deleting keys from redis', 'existing wal location keys for ci database' do
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let(:key) { existing_wal_location_key(idempotency_key, :ci) }
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let(:from_value) { wal_locations[:ci] }
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end
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it_behaves_like 'deleting keys from redis', 'latest wal location keys for main database' do
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let(:key) { wal_location_key(idempotency_key, :main) }
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let(:from_value) { wal_locations[:main] }
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end
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it_behaves_like 'deleting keys from redis', 'latest wal location keys for ci database' do
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let(:key) { wal_location_key(idempotency_key, :ci) }
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let(:from_value) { wal_locations[:ci] }
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end
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context 'when preserve_latest_wal_locations_for_idempotent_jobs feature flag is disabled' do
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before do
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stub_feature_flags(preserve_latest_wal_locations_for_idempotent_jobs: false)
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end
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it_behaves_like 'does not delete key from redis', 'latest wal location keys for main database' do
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let(:key) { existing_wal_location_key(idempotency_key, :main) }
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let(:from_value) { wal_locations[:main] }
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end
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it_behaves_like 'does not delete key from redis', 'latest wal location keys for ci database' do
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let(:key) { existing_wal_location_key(idempotency_key, :ci) }
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let(:from_value) { wal_locations[:ci] }
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end
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it_behaves_like 'does not delete key from redis', 'latest wal location keys for main database' do
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let(:key) { wal_location_key(idempotency_key, :main) }
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let(:from_value) { wal_locations[:main] }
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end
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it_behaves_like 'does not delete key from redis', 'latest wal location keys for ci database' do
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let(:key) { wal_location_key(idempotency_key, :ci) }
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let(:from_value) { wal_locations[:ci] }
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end
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end
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end
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context 'when the idempotency key is not part of the job' do
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it_behaves_like 'deleting the duplicate job'
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it 'recalculates the idempotency hash' do
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expect(duplicate_job).to receive(:idempotency_hash).and_call_original
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duplicate_job.delete!
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end
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end
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context 'when the idempotency key is part of the job' do
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let(:idempotency_key) { 'not the same as what we calculate' }
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let(:job) { super().merge('idempotency_key' => idempotency_key) }
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it_behaves_like 'deleting the duplicate job'
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it 'does not recalculate the idempotency hash' do
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expect(duplicate_job).not_to receive(:idempotency_hash)
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duplicate_job.delete!
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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 '#scheduled?' do
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it 'returns false for non-scheduled jobs' do
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expect(duplicate_job.scheduled?).to be(false)
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end
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context 'scheduled jobs' do
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let(:job) do
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{ 'class' => 'AuthorizedProjectsWorker',
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'args' => [1],
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'jid' => '123',
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'at' => 42 }
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end
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it 'returns true' do
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expect(duplicate_job.scheduled?).to be(true)
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end
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end
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end
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describe '#reschedule' do
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it 'reschedules the current job' do
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fake_logger = instance_double(Gitlab::SidekiqLogging::DeduplicationLogger)
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expect(Gitlab::SidekiqLogging::DeduplicationLogger).to receive(:instance).and_return(fake_logger)
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expect(fake_logger).to receive(:rescheduled_log).with(a_hash_including({ 'jid' => '123' }))
|
|
expect(AuthorizedProjectsWorker).to receive(:perform_async).with(1).once
|
|
|
|
duplicate_job.reschedule
|
|
end
|
|
end
|
|
|
|
describe '#should_reschedule?' do
|
|
subject { duplicate_job.should_reschedule? }
|
|
|
|
context 'when the job is reschedulable' do
|
|
before do
|
|
allow(duplicate_job).to receive(:reschedulable?) { true }
|
|
end
|
|
|
|
it { is_expected.to eq(false) }
|
|
|
|
context 'with deduplicated flag' do
|
|
before do
|
|
duplicate_job.set_deduplicated_flag!
|
|
end
|
|
|
|
it { is_expected.to eq(true) }
|
|
end
|
|
end
|
|
|
|
context 'when the job is not reschedulable' do
|
|
before do
|
|
allow(duplicate_job).to receive(:reschedulable?) { false }
|
|
end
|
|
|
|
it { is_expected.to eq(false) }
|
|
|
|
context 'with deduplicated flag' do
|
|
before do
|
|
duplicate_job.set_deduplicated_flag!
|
|
end
|
|
|
|
it { is_expected.to eq(false) }
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#set_deduplicated_flag!' do
|
|
context 'when the job is reschedulable' do
|
|
before do
|
|
allow(duplicate_job).to receive(:reschedulable?) { true }
|
|
end
|
|
|
|
it 'sets the key in Redis' do
|
|
duplicate_job.set_deduplicated_flag!
|
|
|
|
flag = Sidekiq.redis { |redis| redis.get(deduplicated_flag_key) }
|
|
|
|
expect(flag).to eq(described_class::DEDUPLICATED_FLAG_VALUE.to_s)
|
|
end
|
|
|
|
it 'sets, gets and cleans up the deduplicated flag' do
|
|
expect(duplicate_job.should_reschedule?).to eq(false)
|
|
|
|
duplicate_job.set_deduplicated_flag!
|
|
expect(duplicate_job.should_reschedule?).to eq(true)
|
|
|
|
duplicate_job.delete!
|
|
expect(duplicate_job.should_reschedule?).to eq(false)
|
|
end
|
|
end
|
|
|
|
context 'when the job is not reschedulable' do
|
|
before do
|
|
allow(duplicate_job).to receive(:reschedulable?) { false }
|
|
end
|
|
|
|
it 'does not set the key in Redis' do
|
|
duplicate_job.set_deduplicated_flag!
|
|
|
|
flag = Sidekiq.redis { |redis| redis.get(deduplicated_flag_key) }
|
|
|
|
expect(flag).to be_nil
|
|
end
|
|
|
|
it 'does not set the deduplicated flag' do
|
|
expect(duplicate_job.should_reschedule?).to eq(false)
|
|
|
|
duplicate_job.set_deduplicated_flag!
|
|
expect(duplicate_job.should_reschedule?).to eq(false)
|
|
|
|
duplicate_job.delete!
|
|
expect(duplicate_job.should_reschedule?).to eq(false)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#duplicate?' do
|
|
it "raises an error if the check wasn't performed" do
|
|
expect { duplicate_job.duplicate? }.to raise_error /Call `#check!` first/
|
|
end
|
|
|
|
it 'returns false if the existing jid equals the job jid' do
|
|
duplicate_job.check!
|
|
|
|
expect(duplicate_job.duplicate?).to be(false)
|
|
end
|
|
|
|
it 'returns false if the existing jid is different from the job jid' do
|
|
set_idempotency_key(idempotency_key, 'a different jid')
|
|
duplicate_job.check!
|
|
|
|
expect(duplicate_job.duplicate?).to be(true)
|
|
end
|
|
end
|
|
|
|
describe '#scheduled_at' do
|
|
let(:scheduled_at) { 42 }
|
|
let(:job) do
|
|
{ 'class' => 'AuthorizedProjectsWorker',
|
|
'args' => [1],
|
|
'jid' => '123',
|
|
'at' => scheduled_at }
|
|
end
|
|
|
|
it 'returns when the job is scheduled at' do
|
|
expect(duplicate_job.scheduled_at).to eq(scheduled_at)
|
|
end
|
|
end
|
|
|
|
describe '#options' do
|
|
let(:worker_options) { { foo: true } }
|
|
|
|
it 'returns worker options' do
|
|
allow(AuthorizedProjectsWorker).to(
|
|
receive(:get_deduplication_options).and_return(worker_options))
|
|
|
|
expect(duplicate_job.options).to eq(worker_options)
|
|
end
|
|
end
|
|
|
|
describe '#idempotent?' do
|
|
context 'when worker class does not exist' do
|
|
let(:job) { { 'class' => '' } }
|
|
|
|
it 'returns false' do
|
|
expect(duplicate_job).not_to be_idempotent
|
|
end
|
|
end
|
|
|
|
context 'when worker class does not respond to #idempotent?' do
|
|
before do
|
|
stub_const('AuthorizedProjectsWorker', Class.new)
|
|
end
|
|
|
|
it 'returns false' do
|
|
expect(duplicate_job).not_to be_idempotent
|
|
end
|
|
end
|
|
|
|
context 'when worker class is not idempotent' do
|
|
before do
|
|
allow(AuthorizedProjectsWorker).to receive(:idempotent?).and_return(false)
|
|
end
|
|
|
|
it 'returns false' do
|
|
expect(duplicate_job).not_to be_idempotent
|
|
end
|
|
end
|
|
|
|
context 'when worker class is idempotent' do
|
|
before do
|
|
allow(AuthorizedProjectsWorker).to receive(:idempotent?).and_return(true)
|
|
end
|
|
|
|
it 'returns true' do
|
|
expect(duplicate_job).to be_idempotent
|
|
end
|
|
end
|
|
|
|
context 'when worker class is utilizing load balancing capabilities' do
|
|
before do
|
|
allow(AuthorizedProjectsWorker).to receive(:utilizes_load_balancing_capabilities?).and_return(true)
|
|
end
|
|
|
|
it 'returns true' do
|
|
expect(duplicate_job).to be_idempotent
|
|
end
|
|
|
|
context 'when preserve_latest_wal_locations_for_idempotent_jobs feature flag is disabled' do
|
|
before do
|
|
stub_feature_flags(preserve_latest_wal_locations_for_idempotent_jobs: false)
|
|
end
|
|
|
|
it 'returns false' do
|
|
expect(duplicate_job).not_to be_idempotent
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def existing_wal_location_key(idempotency_key, connection_name)
|
|
"#{idempotency_key}:#{connection_name}:existing_wal_location"
|
|
end
|
|
|
|
def wal_location_key(idempotency_key, connection_name)
|
|
"#{idempotency_key}:#{connection_name}:wal_location"
|
|
end
|
|
|
|
def set_idempotency_key(key, value = '1')
|
|
Sidekiq.redis { |r| r.set(key, value) }
|
|
end
|
|
|
|
def rpush_to_redis_key(key, wal, offset)
|
|
Sidekiq.redis { |r| r.rpush(key, [wal, offset]) }
|
|
end
|
|
|
|
def read_idempotency_key_with_ttl(key)
|
|
Sidekiq.redis do |redis|
|
|
redis.pipelined do |p|
|
|
p.get(key)
|
|
p.ttl(key)
|
|
end
|
|
end
|
|
end
|
|
|
|
def read_range_from_redis(key)
|
|
Sidekiq.redis do |redis|
|
|
redis.lrange(key, 0, -1)
|
|
end
|
|
end
|
|
end
|