vt-social/spec/models/account_stat_spec.rb

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require 'rails_helper'
RSpec.describe AccountStat, type: :model do
describe '#increment_count!' do
it 'increments the count' do
account_stat = AccountStat.create(account: Fabricate(:account))
expect(account_stat.followers_count).to eq 0
account_stat.increment_count!(:followers_count)
expect(account_stat.followers_count).to eq 1
end
it 'increments the count in multi-threaded an environment' do
account_stat = AccountStat.create(account: Fabricate(:account), statuses_count: 0)
increment_by = 15
wait_for_start = true
threads = Array.new(increment_by) do
Thread.new do
true while wait_for_start
AccountStat.find(account_stat.id).increment_count!(:statuses_count)
end
end
wait_for_start = false
threads.each(&:join)
expect(account_stat.reload.statuses_count).to eq increment_by
end
end
describe '#decrement_count!' do
it 'decrements the count' do
account_stat = AccountStat.create(account: Fabricate(:account), followers_count: 15)
expect(account_stat.followers_count).to eq 15
account_stat.decrement_count!(:followers_count)
expect(account_stat.followers_count).to eq 14
end
it 'decrements the count in multi-threaded an environment' do
account_stat = AccountStat.create(account: Fabricate(:account), statuses_count: 15)
decrement_by = 10
wait_for_start = true
threads = Array.new(decrement_by) do
Thread.new do
true while wait_for_start
AccountStat.find(account_stat.id).decrement_count!(:statuses_count)
end
end
wait_for_start = false
threads.each(&:join)
expect(account_stat.reload.statuses_count).to eq 5
end
end
end