mastodon/spec/workers/scheduler/accounts_statuses_cleanup_s...

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# frozen_string_literal: true
require 'rails_helper'
describe Scheduler::AccountsStatusesCleanupScheduler do
subject { described_class.new }
let!(:account1) { Fabricate(:account, domain: nil) }
let!(:account2) { Fabricate(:account, domain: nil) }
let!(:account3) { Fabricate(:account, domain: nil) }
let!(:account4) { Fabricate(:account, domain: nil) }
let!(:account5) { Fabricate(:account, domain: nil) }
let!(:remote) { Fabricate(:account) }
let!(:policy1) { Fabricate(:account_statuses_cleanup_policy, account: account1) }
let!(:policy2) { Fabricate(:account_statuses_cleanup_policy, account: account3) }
let!(:policy3) { Fabricate(:account_statuses_cleanup_policy, account: account4, enabled: false) }
let!(:policy4) { Fabricate(:account_statuses_cleanup_policy, account: account5) }
let(:queue_size) { 0 }
let(:queue_latency) { 0 }
let(:process_set_stub) do
[
{
'concurrency' => 2,
'queues' => %w(push default),
},
]
end
before do
queue_stub = double
allow(queue_stub).to receive(:size).and_return(queue_size)
allow(queue_stub).to receive(:latency).and_return(queue_latency)
allow(Sidekiq::Queue).to receive(:new).and_return(queue_stub)
allow(Sidekiq::ProcessSet).to receive(:new).and_return(process_set_stub)
sidekiq_stats_stub = double
allow(Sidekiq::Stats).to receive(:new).and_return(sidekiq_stats_stub)
# Create a bunch of old statuses
10.times do
Fabricate(:status, account: account1, created_at: 3.years.ago)
Fabricate(:status, account: account2, created_at: 3.years.ago)
Fabricate(:status, account: account3, created_at: 3.years.ago)
Fabricate(:status, account: account4, created_at: 3.years.ago)
Fabricate(:status, account: account5, created_at: 3.years.ago)
Fabricate(:status, account: remote, created_at: 3.years.ago)
end
# Create a bunch of newer statuses
5.times do
Fabricate(:status, account: account1, created_at: 3.minutes.ago)
Fabricate(:status, account: account2, created_at: 3.minutes.ago)
Fabricate(:status, account: account3, created_at: 3.minutes.ago)
Fabricate(:status, account: account4, created_at: 3.minutes.ago)
Fabricate(:status, account: remote, created_at: 3.minutes.ago)
end
end
describe '#under_load?' do
context 'when nothing is queued' do
it 'returns false' do
expect(subject.under_load?).to be false
end
end
context 'when numerous jobs are queued' do
let(:queue_size) { 5 }
let(:queue_latency) { 120 }
it 'returns true' do
expect(subject.under_load?).to be true
end
end
end
describe '#get_budget' do
context 'on a single thread' do
let(:process_set_stub) { [{ 'concurrency' => 1, 'queues' => %w(push default) }] }
it 'returns a low value' do
expect(subject.compute_budget).to be < 10
end
end
context 'on a lot of threads' do
let(:process_set_stub) do
[
{ 'concurrency' => 2, 'queues' => %w(push default) },
{ 'concurrency' => 2, 'queues' => ['push'] },
{ 'concurrency' => 2, 'queues' => ['push'] },
{ 'concurrency' => 2, 'queues' => ['push'] },
]
end
it 'returns a larger value' do
expect(subject.compute_budget).to be > 10
end
end
end
describe '#perform' do
context 'when the budget is lower than the number of toots to delete' do
it 'deletes as many statuses as the given budget' do
expect { subject.perform }.to change { Status.count }.by(-subject.compute_budget)
end
it 'does not delete from accounts with no cleanup policy' do
expect { subject.perform }.to_not change { account2.statuses.count }
end
it 'does not delete from accounts with disabled cleanup policies' do
expect { subject.perform }.to_not change { account4.statuses.count }
end
it 'eventually deletes every deletable toot given enough runs' do
stub_const 'Scheduler::AccountsStatusesCleanupScheduler::MAX_BUDGET', 4
expect { 10.times { subject.perform } }.to change { Status.count }.by(-30)
end
it 'correctly round-trips between users across several runs' do
stub_const 'Scheduler::AccountsStatusesCleanupScheduler::MAX_BUDGET', 3
stub_const 'Scheduler::AccountsStatusesCleanupScheduler::PER_ACCOUNT_BUDGET', 2
expect { 3.times { subject.perform } }
.to change { Status.count }.by(-3 * 3)
.and change { account1.statuses.count }
.and change { account3.statuses.count }
.and change { account5.statuses.count }
end
end
end
end