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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe CounterAttribute, :counter_attribute, :clean_gitlab_redis_shared_state do
using RSpec::Parameterized::TableSyntax
let(:project_statistics) { create(:project_statistics) }
let(:model) { CounterAttributeModel.find(project_statistics.id) }
it_behaves_like CounterAttribute, [:build_artifacts_size, :commit_count] do
let(:model) { CounterAttributeModel.find(project_statistics.id) }
end
describe 'after_flush callbacks' do
let(:attribute) { model.class.counter_attributes.first}
subject { model.flush_increments_to_database!(attribute) }
it 'has registered callbacks' do # defined in :counter_attribute RSpec tag
expect(model.class.after_flush_callbacks.size).to eq(1)
end
context 'when there are increments to flush' do
before do
model.delayed_increment_counter(attribute, 10)
end
it 'executes the callbacks' do
subject
expect(model.flushed).to be_truthy
end
end
context 'when there are no increments to flush' do
it 'does not execute the callbacks' do
subject
expect(model.flushed).to be_nil
end
end
end
describe '.steal_increments' do
let(:increment_key) { 'counters:Model:123:attribute' }
let(:flushed_key) { 'counter:Model:123:attribute:flushed' }
subject { model.send(:steal_increments, increment_key, flushed_key) }
where(:increment, :flushed, :result, :flushed_key_present) do
nil | nil | 0 | false
nil | 0 | 0 | false
0 | 0 | 0 | false
1 | 0 | 1 | true
1 | nil | 1 | true
1 | 1 | 2 | true
1 | -2 | -1 | true
-1 | 1 | 0 | false
end
with_them do
before do
Gitlab::Redis::SharedState.with do |redis|
redis.set(increment_key, increment) if increment
redis.set(flushed_key, flushed) if flushed
end
end
it { is_expected.to eq(result) }
it 'drops the increment key and creates the flushed key if it does not exist' do
subject
Gitlab::Redis::SharedState.with do |redis|
expect(redis.exists(increment_key)).to be_falsey
expect(redis.exists(flushed_key)).to eq(flushed_key_present)
end
end
end
end
end
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