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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe LimitedCapacity::JobTracker, :clean_gitlab_redis_queues do
let(:job_tracker) do
described_class.new('namespace')
end
describe '#register' do
it 'adds jid to the set' do
job_tracker.register('a-job-id')
expect(job_tracker.running_jids).to contain_exactly('a-job-id')
end
it 'updates the counter' do
expect { job_tracker.register('a-job-id') }
.to change { job_tracker.count }
.from(0)
.to(1)
end
it 'does it in only one Redis call' do
expect(job_tracker).to receive(:with_redis).once.and_call_original
job_tracker.register('a-job-id')
end
end
describe '#remove' do
before do
job_tracker.register(%w[a-job-id other-job-id])
end
it 'removes jid from the set' do
job_tracker.remove('other-job-id')
expect(job_tracker.running_jids).to contain_exactly('a-job-id')
end
it 'updates the counter' do
expect { job_tracker.remove('other-job-id') }
.to change { job_tracker.count }
.from(2)
.to(1)
end
it 'does it in only one Redis call' do
expect(job_tracker).to receive(:with_redis).once.and_call_original
job_tracker.remove('other-job-id')
end
end
describe '#clean_up' do
before do
job_tracker.register('a-job-id')
end
context 'with running jobs' do
before do
expect(Gitlab::SidekiqStatus).to receive(:completed_jids)
.with(%w[a-job-id])
.and_return([])
end
it 'does not remove the jid from the set' do
expect { job_tracker.clean_up }
.not_to change { job_tracker.running_jids.include?('a-job-id') }
end
it 'does only one Redis call to get the job ids' do
expect(job_tracker).to receive(:with_redis).once.and_call_original
job_tracker.clean_up
end
end
context 'with completed jobs' do
it 'removes the jid from the set' do
expect { job_tracker.clean_up }
.to change { job_tracker.running_jids.include?('a-job-id') }
end
it 'updates the counter' do
expect { job_tracker.clean_up }
.to change { job_tracker.count }
.from(1)
.to(0)
end
it 'gets the job ids, removes them, and updates the counter with only two Redis calls' do
expect(job_tracker).to receive(:with_redis).twice.and_call_original
job_tracker.clean_up
end
end
end
end
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