diff --git a/Gemfile b/Gemfile index 34074dfd..9a792c7a 100644 --- a/Gemfile +++ b/Gemfile @@ -8,7 +8,19 @@ gem 'pg' gem 'puma' gem 'listen' gem 'bootsnap' -gem 'rack-mini-profiler' + +group :development, :test do + gem 'pghero' + gem 'bullet' + gem 'pg_query', '>= 2' + gem 'rspec-rails' + gem 'rspec-benchmark' + gem 'rack-mini-profiler' + gem 'ruby-prof' + gem 'memory_profiler' + gem 'capybara' + gem 'strong_migrations' +end # Windows does not include zoneinfo files, so bundle the tzinfo-data gem gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby] diff --git a/Gemfile.lock b/Gemfile.lock index a9ddd818..e37b0af7 100644 --- a/Gemfile.lock +++ b/Gemfile.lock @@ -72,21 +72,42 @@ GEM securerandom (>= 0.3) tzinfo (~> 2.0, >= 2.0.5) uri (>= 0.13.1) + addressable (2.8.7) + public_suffix (>= 2.0.2, < 7.0) base64 (0.2.0) benchmark (0.4.0) + benchmark-malloc (0.2.0) + benchmark-perf (0.6.0) + benchmark-trend (0.4.0) bigdecimal (3.1.9) bootsnap (1.18.4) msgpack (~> 1.2) builder (3.3.0) + bullet (8.0.1) + activesupport (>= 3.0.0) + uniform_notifier (~> 1.11) + capybara (3.40.0) + addressable + matrix + mini_mime (>= 0.1.3) + nokogiri (~> 1.11) + rack (>= 1.6.0) + rack-test (>= 0.6.3) + regexp_parser (>= 1.5, < 3.0) + xpath (~> 3.2) concurrent-ruby (1.3.5) connection_pool (2.5.0) crass (1.0.6) date (3.4.1) + diff-lcs (1.6.0) drb (2.2.1) erubi (1.13.1) ffi (1.17.1-arm64-darwin) globalid (1.2.1) activesupport (>= 6.1) + google-protobuf (4.30.0-arm64-darwin) + bigdecimal + rake (>= 13) i18n (1.14.7) concurrent-ruby (~> 1.0) io-console (0.8.0) @@ -107,6 +128,8 @@ GEM net-pop net-smtp marcel (1.0.4) + matrix (0.4.2) + memory_profiler (1.1.0) mini_mime (1.1.5) minitest (5.25.4) msgpack (1.8.0) @@ -123,12 +146,17 @@ GEM nokogiri (1.18.2-arm64-darwin) racc (~> 1.4) pg (1.5.9) + pg_query (6.0.0) + google-protobuf (>= 3.25.3) + pghero (3.6.1) + activerecord (>= 6.1) pp (0.6.2) prettyprint prettyprint (0.2.0) psych (5.2.3) date stringio + public_suffix (6.0.1) puma (6.6.0) nio4r (~> 2.0) racc (1.8.1) @@ -177,32 +205,75 @@ GEM ffi (~> 1.0) rdoc (6.12.0) psych (>= 4.0.0) + regexp_parser (2.10.0) reline (0.6.0) io-console (~> 0.5) + rspec (3.13.0) + rspec-core (~> 3.13.0) + rspec-expectations (~> 3.13.0) + rspec-mocks (~> 3.13.0) + rspec-benchmark (0.6.0) + benchmark-malloc (~> 0.2) + benchmark-perf (~> 0.6) + benchmark-trend (~> 0.4) + rspec (>= 3.0) + rspec-core (3.13.3) + rspec-support (~> 3.13.0) + rspec-expectations (3.13.3) + diff-lcs (>= 1.2.0, < 2.0) + rspec-support (~> 3.13.0) + rspec-mocks (3.13.2) + diff-lcs (>= 1.2.0, < 2.0) + rspec-support (~> 3.13.0) + rspec-rails (7.1.1) + actionpack (>= 7.0) + activesupport (>= 7.0) + railties (>= 7.0) + rspec-core (~> 3.13) + rspec-expectations (~> 3.13) + rspec-mocks (~> 3.13) + rspec-support (~> 3.13) + rspec-support (3.13.2) + ruby-prof (1.7.1) securerandom (0.4.1) stringio (3.1.2) + strong_migrations (2.2.0) + activerecord (>= 7) thor (1.3.2) timeout (0.4.3) tzinfo (2.0.6) concurrent-ruby (~> 1.0) + uniform_notifier (1.16.0) uri (1.0.2) useragent (0.16.11) websocket-driver (0.7.7) base64 websocket-extensions (>= 0.1.0) websocket-extensions (0.1.5) + xpath (3.2.0) + nokogiri (~> 1.8) zeitwerk (2.7.1) PLATFORMS + arm64-darwin-21 arm64-darwin-24 DEPENDENCIES bootsnap + bullet + capybara listen + memory_profiler pg + pg_query (>= 2) + pghero puma rack-mini-profiler rails (~> 8.0.1) + rspec-benchmark + rspec-rails + ruby-prof + strong_migrations tzinfo-data RUBY VERSION diff --git a/app/controllers/trips_controller.rb b/app/controllers/trips_controller.rb index acb38be2..1431925c 100644 --- a/app/controllers/trips_controller.rb +++ b/app/controllers/trips_controller.rb @@ -2,6 +2,6 @@ class TripsController < ApplicationController def index @from = City.find_by_name!(params[:from]) @to = City.find_by_name!(params[:to]) - @trips = Trip.where(from: @from, to: @to).order(:start_time) + @trips = Trip.includes(bus: :services).where(from: @from, to: @to).order(:start_time) end end diff --git a/app/views/trips/_delimiter.html.erb b/app/views/trips/_delimiter.html.erb deleted file mode 100644 index 3f845ad0..00000000 --- a/app/views/trips/_delimiter.html.erb +++ /dev/null @@ -1 +0,0 @@ -==================================================== diff --git a/app/views/trips/_service.html.erb b/app/views/trips/_service.html.erb deleted file mode 100644 index 178ea8c0..00000000 --- a/app/views/trips/_service.html.erb +++ /dev/null @@ -1 +0,0 @@ -
  • <%= "#{service.name}" %>
    • diff --git a/app/views/trips/_services.html.erb b/app/views/trips/_services.html.erb deleted file mode 100644 index 2de639fc..00000000 --- a/app/views/trips/_services.html.erb +++ /dev/null @@ -1,6 +0,0 @@ -
  • Сервисы в автобусе:
    • - diff --git a/app/views/trips/_trip.html.erb b/app/views/trips/_trip.html.erb deleted file mode 100644 index fa1de9aa..00000000 --- a/app/views/trips/_trip.html.erb +++ /dev/null @@ -1,5 +0,0 @@ -
  • <%= "Отправление: #{trip.start_time}" %>
    • -
  • <%= "Прибытие: #{(Time.parse(trip.start_time) + trip.duration_minutes.minutes).strftime('%H:%M')}" %>
    • -
  • <%= "В пути: #{trip.duration_minutes / 60}ч. #{trip.duration_minutes % 60}мин." %>
    • -
  • <%= "Цена: #{trip.price_cents / 100}р. #{trip.price_cents % 100}коп." %>
    • -
  • <%= "Автобус: #{trip.bus.model} №#{trip.bus.number}" %>
    • diff --git a/app/views/trips/index.html.erb b/app/views/trips/index.html.erb index a60bce41..f0a7d663 100644 --- a/app/views/trips/index.html.erb +++ b/app/views/trips/index.html.erb @@ -7,10 +7,21 @@ <% @trips.each do |trip| %> - <%= render "delimiter" %> + ==================================================== <% end %> diff --git a/benchmark/benchmark.rb b/benchmark/benchmark.rb new file mode 100644 index 00000000..7cef9cfb --- /dev/null +++ b/benchmark/benchmark.rb @@ -0,0 +1,9 @@ +# frozen_string_literal: true + +require 'benchmark' + +time = Benchmark.realtime do + system 'bin/rake utils:reload_json[fixtures/medium.json]' +end + +puts "Finish in #{time.round(2)}" diff --git a/case-study.md b/case-study.md new file mode 100644 index 00000000..4f6ad5ca --- /dev/null +++ b/case-study.md @@ -0,0 +1,154 @@ +# Case-study оптимизации + +## Case 1 +Метрика: + +`ruby benchmark/benchmark.rb` + +Время работы rake таски на medium.json +Finish in 69.99 + +## Бюджет +Снизить время выполнения rake задачи до 10 секунд на файле large.json + +## Фиксация текущей метрики +`bundle exec rspec spec/task/utils_performace_spec.rb:5` + +## Профилировщик +Воспользовался ruby-profiler + +`ruby profiling/ruby_prof.rb` + +**Точки роста:** +``` +99.66% 0.10% 24.91 0.02 0.00 24.89 7421 *ActiveRecord::ConnectionAdapters::DatabaseStatements#transaction +15.19 0.00 0.00 15.19 4265/4265 ActiveRecord::Validations#save +``` + +Создается множество отдельных операций к базе. Выполняются валидации, запуск транзакций и персист записей. + +**Решение** + +Пробую воспользоваться bulk_insert + +После оптимизации: +Результат снизился до 8 секунд при загрузки данных из файла large.json + +## Case 2 +Метрика: +Загрузка страницы( /автобусы/Самара/Москва) происходит ~ 6.8 секунд, посмотрел в логи + rack-mini-profiler + +## Бюджет +Снизить загрузку страницы до 0.4 секунд + +**Точки роста** +N+1 в логах +Много раз рендеринг паршалов. + +**Решение** +```ruby +@trips = Trip.includes(bus: :services).where(from: @from, to: @to).order(:start_time) +``` + +Для каждого объекта Trip подгружаю объекты Bus и для каждого объекта Bus подгружаю объекты Service +Также пока решил убрать паршелы и перенести во вьюху + +После оптимизации: +Скорость загрузки страницы снизилась до 330ms ~ 0.3 секунды + +## Case 3 + +Бюджет снизизить загрузку страницы до 0.1 секунды + +## Профилировщик +Установил PGHero +В дашборде на вкладке Overview не показал что нужно создать индексы + +` +No long running queries +Connections healthy 7 +Vacuuming healthy +No columns near integer overflow +No invalid indexes or constraints +No duplicate indexes +No suggested indexes +No slow queries +` + +На вкладке Queries отображает два запроса: + +1. Выполняется 30% от общего времени + +```ruby +SELECT COUNT(*) FROM "trips" WHERE "trips"."from_id" = $1 AND "trips"."to_id" = $2 +``` + +2. Выполняется 16% от общего времени + +```ruby +SELECT "trips".* FROM "trips" WHERE "trips"."from_id" = $1 AND "trips"."to_id" = $2 ORDER BY "trips"."start_time" ASC +``` +Добавил в explain +```ruby +SELECT "trips".* FROM "trips" WHERE "trips"."from_id" = 4 AND "trips"."to_id" = 2 ORDER BY "trips"."start_time" ASC +``` + +**Решение** +Добавил композитный индекс по двум полям +В результате: +для запроса: + +```ruby +SELECT "trips".* FROM "trips" WHERE "trips"."from_id" = 4 AND "trips"."to_id" = 2 ORDER BY "trips"."start_time" ASC +``` + +``` +Sort (cost=953.40..955.84 rows=977 width=34) + Sort Key: start_time + -> Bitmap Heap Scan on trips (cost=14.31..904.88 rows=977 width=34) + Recheck Cond: ((from_id = 4) AND (to_id = 2)) + -> Bitmap Index Scan on index_trips_on_from_id_and_to (cost=0.00..14.06 rows=977 width=0) + Index Cond: ((from_id = 4) AND (to_id = 2)) +``` + +для запроса: +```ruby +SELECT COUNT(*) FROM "trips" WHERE "trips"."from_id" = 4 AND "trips"."to_id" = 2 +``` +``` +Aggregate (cost=26.27..26.29 rows=1 width=8) + -> Index Only Scan using index_trips_on_from_id_and_to on trips (cost=0.29..23.83 rows=977 width=0) + Index Cond: ((from_id = 4) AND (to_id = 2)) +``` + +Скорость закрузки страницы снизилась от 144ms до 290 ms +Думаю на большом объеме данных результат будет более наглядным + +## Case 4 +PGHero + +Беру запрос который на первом месте в разделе Queries + +37% от общего времени +```ruby +SELECT "buses_services".* FROM "buses_services" WHERE "buses_services"."bus_id" IN ($1, $2,......) +``` + +Explain отдал +``` +CREATE INDEX CONCURRENTLY ON buses_services (bus_id) +Rows: 4534 +Row progression: 4534, 5 + +Row estimates +- bus_id (=): 5 + +Existing indexes +- id PRIMARY +``` + +Добавляю индекс по bus_id + +Скорость загрузки стариницы осталась примерно на том же уровне иногда опускаясь до 129 ms +Хотя PGHero показывает по прежнему 37% от общего времени выполнение запроса на получение сервисов, решил остановиться. +В бюджет почти уложился(хотел до 0.1 сек) diff --git a/config/environments/development.rb b/config/environments/development.rb index bc3f8142..5a6fd0a9 100644 --- a/config/environments/development.rb +++ b/config/environments/development.rb @@ -1,4 +1,15 @@ Rails.application.configure do +=begin + config.after_initialize do + Bullet.enable = true + Bullet.alert = false + Bullet.bullet_logger = false + Bullet.console = false + Bullet.rails_logger = true + Bullet.add_footer = true + end +=end + # Settings specified here will take precedence over those in config/application.rb. # In the development environment your application's code is reloaded on diff --git a/config/routes.rb b/config/routes.rb index 0bbefa7a..ed223a52 100644 --- a/config/routes.rb +++ b/config/routes.rb @@ -1,4 +1,6 @@ Rails.application.routes.draw do + mount PgHero::Engine, at: 'pghero' + # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html - get "автобусы/:from/:to" => "trips#index" + get "автобусы/:from/:to" => "trips#index", as: :trips end diff --git a/db/migrate/20250305221527_added_composite_index_to_trips.rb b/db/migrate/20250305221527_added_composite_index_to_trips.rb new file mode 100644 index 00000000..c6e5f65f --- /dev/null +++ b/db/migrate/20250305221527_added_composite_index_to_trips.rb @@ -0,0 +1,9 @@ +# frozen_string_literal: true + +class AddedCompositeIndexToTrips < ActiveRecord::Migration[8.0] + disable_ddl_transaction! + + def change + add_index :trips, [:from_id, :to_id], name: 'index_trips_on_from_id_and_to', algorithm: :concurrently + end +end diff --git a/db/migrate/20250306175758_add_index_to_buses_services.rb b/db/migrate/20250306175758_add_index_to_buses_services.rb new file mode 100644 index 00000000..dc892e54 --- /dev/null +++ b/db/migrate/20250306175758_add_index_to_buses_services.rb @@ -0,0 +1,9 @@ +# frozen_string_literal: true + +class AddIndexToBusesServices < ActiveRecord::Migration[8.0] + disable_ddl_transaction! + + def change + add_index :buses_services, :bus_id, algorithm: :concurrently + end +end diff --git a/db/schema.rb b/db/schema.rb index f6921e45..975faca7 100644 --- a/db/schema.rb +++ b/db/schema.rb @@ -2,18 +2,18 @@ # of editing this file, please use the migrations feature of Active Record to # incrementally modify your database, and then regenerate this schema definition. # -# Note that this schema.rb definition is the authoritative source for your -# database schema. If you need to create the application database on another -# system, you should be using db:schema:load, not running all the migrations -# from scratch. The latter is a flawed and unsustainable approach (the more migrations -# you'll amass, the slower it'll run and the greater likelihood for issues). +# This file is the source Rails uses to define your schema when running `bin/rails +# db:schema:load`. When creating a new database, `bin/rails db:schema:load` tends to +# be faster and is potentially less error prone than running all of your +# migrations from scratch. Old migrations may fail to apply correctly if those +# migrations use external dependencies or application code. # # It's strongly recommended that you check this file into your version control system. -ActiveRecord::Schema.define(version: 2019_03_30_193044) do - +ActiveRecord::Schema[8.0].define(version: 2025_03_06_175758) do # These are extensions that must be enabled in order to support this database - enable_extension "plpgsql" + enable_extension "pg_catalog.plpgsql" + enable_extension "pg_stat_statements" create_table "buses", force: :cascade do |t| t.string "number" @@ -23,6 +23,7 @@ create_table "buses_services", force: :cascade do |t| t.integer "bus_id" t.integer "service_id" + t.index ["bus_id"], name: "index_buses_services_on_bus_id" end create_table "cities", force: :cascade do |t| @@ -40,6 +41,6 @@ t.integer "duration_minutes" t.integer "price_cents" t.integer "bus_id" + t.index ["from_id", "to_id"], name: "index_trips_on_from_id_and_to" end - end diff --git a/lib/tasks/utils.rake b/lib/tasks/utils.rake index 540fe871..7525b841 100644 --- a/lib/tasks/utils.rake +++ b/lib/tasks/utils.rake @@ -1,34 +1,67 @@ -# Наивная загрузка данных из json-файла в БД -# rake reload_json[fixtures/small.json] -task :reload_json, [:file_name] => :environment do |_task, args| - json = JSON.parse(File.read(args.file_name)) - - ActiveRecord::Base.transaction do - City.delete_all - Bus.delete_all - Service.delete_all - Trip.delete_all - ActiveRecord::Base.connection.execute('delete from buses_services;') - - json.each do |trip| - from = City.find_or_create_by(name: trip['from']) - to = City.find_or_create_by(name: trip['to']) - services = [] - trip['bus']['services'].each do |service| - s = Service.find_or_create_by(name: service) - services << s +# bin/rake 'utils:reload_json[fixtures/large.json]' + +namespace :utils do + task :reload_json, [:file_name] => :environment do |_task, args| + json = JSON.parse(File.read(args.file_name)) + + ActiveRecord::Base.transaction do + ActiveRecord::Base.connection.execute('TRUNCATE cities, buses, services, trips, buses_services RESTART IDENTITY;') + + cities = Set.new + allowed_services = Set.new(::Service::SERVICES) + current_services = Set.new + buses_params = Set.new + trips_params = [] + bus_service_relations = Set.new + allowed_buses_models = ::Bus::MODELS.to_h { |model| [model, true] } + + json.each do |trip| + cities.add(trip['from'].delete(' ')) + cities.add(trip['to'].delete(' ')) + trip['bus']['services'].each { |service| current_services.add(service) } + buses_params.add(trip['bus']['number'] => trip['bus']['model']) end - bus = Bus.find_or_create_by(number: trip['bus']['number']) - bus.update(model: trip['bus']['model'], services: services) - - Trip.create!( - from: from, - to: to, - bus: bus, - start_time: trip['start_time'], - duration_minutes: trip['duration_minutes'], - price_cents: trip['price_cents'], + + City.insert_all(cities.map { |city| { name: city } }) + city_ids = City.pluck(:name, :id).to_h + + valid_services = allowed_services & current_services + Service.insert_all(valid_services.map { |service| { name: service } }) + service_ids = Service.pluck(:name, :id).to_h + + Bus.insert_all( + buses_params.map do |params| + key, value = params.first + { number: key, model: allowed_buses_models[value] ? value : nil } + end ) + bus_ids = Bus.pluck(:number, :id).to_h + + json.each do |trip| + from_id = city_ids[trip['from'].delete(' ')] + to_id = city_ids[trip['to'].delete(' ')] + bus_id = bus_ids[trip['bus']['number']] + + trip['bus']['services'].each do |service| + service_id = service_ids[service] + bus_service_relations.add([bus_id, service_id]) if service_id + end + + trips_params << { + from_id: from_id, + to_id: to_id, + bus_id: bus_id, + start_time: trip['start_time'], + duration_minutes: trip['duration_minutes'], + price_cents: trip['price_cents'] + } + end + + Trip.insert_all(trips_params) + + values = bus_service_relations.map { |bus_id, service_id| "(#{bus_id}, #{service_id})" }.join(', ') + + ActiveRecord::Base.connection.execute("INSERT INTO buses_services (bus_id, service_id) VALUES #{values}") end end end diff --git a/spec/feature/trips_index_spec.rb b/spec/feature/trips_index_spec.rb new file mode 100644 index 00000000..f4ff5921 --- /dev/null +++ b/spec/feature/trips_index_spec.rb @@ -0,0 +1,25 @@ +# frozen_string_literal: true + +require 'rails_helper' + +RSpec.describe 'Trips Index', type: :feature do + describe 'GET trips#index' do + subject(:make_request) { visit(trips_path(from: 'Самара', to: 'Москва'))} + + before(:all) do + system 'RAILS_ENV=test bin/rake utils:reload_json[fixtures/large.json]' + end + + after(:all) do + ActiveRecord::Base.connection.execute('TRUNCATE cities, buses, services, trips, buses_services RESTART IDENTITY;') + end + + context 'when all content present' do + it 'displays trip details', :aggregate_failures do + make_request + expect(page).to have_content('Автобусы Самара – Москва') + expect(page).to have_content('В расписании 1004 рейсов') + end + end + end +end diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb new file mode 100644 index 00000000..6335579e --- /dev/null +++ b/spec/rails_helper.rb @@ -0,0 +1,80 @@ +# This file is copied to spec/ when you run 'rails generate rspec:install' +require 'spec_helper' +require 'capybara/rspec' + +ENV['RAILS_ENV'] ||= 'test' + +require_relative '../config/environment' +# Prevent database truncation if the environment is production +abort('The Rails environment is running in production mode!') if Rails.env.production? +# Uncomment the line below in case you have `--require rails_helper` in the `.rspec` file +# that will avoid rails generators crashing because migrations haven't been run yet +# return unless Rails.env.test? +require 'rspec/rails' +# Add additional requires below this line. Rails is not loaded until this point! + +# Requires supporting ruby files with custom matchers and macros, etc, in +# spec/support/ and its subdirectories. Files matching `spec/**/*_spec.rb` are +# run as spec files by default. This means that files in spec/support that end +# in _spec.rb will both be required and run as specs, causing the specs to be +# run twice. It is recommended that you do not name files matching this glob to +# end with _spec.rb. You can configure this pattern with the --pattern +# option on the command line or in ~/.rspec, .rspec or `.rspec-local`. +# +# The following line is provided for convenience purposes. It has the downside +# of increasing the boot-up time by auto-requiring all files in the support +# directory. Alternatively, in the individual `*_spec.rb` files, manually +# require only the support files necessary. +# +# Rails.root.glob('spec/support/**/*.rb').sort_by(&:to_s).each { |f| require f } + +# Checks for pending migrations and applies them before tests are run. +# If you are not using ActiveRecord, you can remove these lines. +begin + ActiveRecord::Migration.maintain_test_schema! +rescue ActiveRecord::PendingMigrationError => e + abort e.to_s.strip +end + +Capybara.configure do |config| + config.default_driver = :rack_test +end + +RSpec.configure do |config| + config.include RSpec::Benchmark::Matchers + + # Remove this line if you're not using ActiveRecord or ActiveRecord fixtures + config.fixture_paths = [ + Rails.root.join('spec/fixtures') + ] + + # If you're not using ActiveRecord, or you'd prefer not to run each of your + # examples within a transaction, remove the following line or assign false + # instead of true. + config.use_transactional_fixtures = true + + # You can uncomment this line to turn off ActiveRecord support entirely. + # config.use_active_record = false + + # RSpec Rails uses metadata to mix in different behaviours to your tests, + # for example enabling you to call `get` and `post` in request specs. e.g.: + # + # RSpec.describe UsersController, type: :request do + # # ... + # end + # + # The different available types are documented in the features, such as in + # https://rspec.info/features/7-1/rspec-rails + # + # You can also this infer these behaviours automatically by location, e.g. + # /spec/models would pull in the same behaviour as `type: :model` but this + # behaviour is considered legacy and will be removed in a future version. + # + # To enable this behaviour uncomment the line below. + # config.infer_spec_type_from_file_location! + + # Filter lines from Rails gems in backtraces. + config.filter_rails_from_backtrace! + # arbitrary gems may also be filtered via: + # config.filter_gems_from_backtrace("gem name") +end diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb new file mode 100644 index 00000000..327b58ea --- /dev/null +++ b/spec/spec_helper.rb @@ -0,0 +1,94 @@ +# This file was generated by the `rails generate rspec:install` command. Conventionally, all +# specs live under a `spec` directory, which RSpec adds to the `$LOAD_PATH`. +# The generated `.rspec` file contains `--require spec_helper` which will cause +# this file to always be loaded, without a need to explicitly require it in any +# files. +# +# Given that it is always loaded, you are encouraged to keep this file as +# light-weight as possible. Requiring heavyweight dependencies from this file +# will add to the boot time of your test suite on EVERY test run, even for an +# individual file that may not need all of that loaded. Instead, consider making +# a separate helper file that requires the additional dependencies and performs +# the additional setup, and require it from the spec files that actually need +# it. +# +# See https://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration +RSpec.configure do |config| + # rspec-expectations config goes here. You can use an alternate + # assertion/expectation library such as wrong or the stdlib/minitest + # assertions if you prefer. + config.expect_with :rspec do |expectations| + # This option will default to `true` in RSpec 4. It makes the `description` + # and `failure_message` of custom matchers include text for helper methods + # defined using `chain`, e.g.: + # be_bigger_than(2).and_smaller_than(4).description + # # => "be bigger than 2 and smaller than 4" + # ...rather than: + # # => "be bigger than 2" + expectations.include_chain_clauses_in_custom_matcher_descriptions = true + end + + # rspec-mocks config goes here. You can use an alternate test double + # library (such as bogus or mocha) by changing the `mock_with` option here. + config.mock_with :rspec do |mocks| + # Prevents you from mocking or stubbing a method that does not exist on + # a real object. This is generally recommended, and will default to + # `true` in RSpec 4. + mocks.verify_partial_doubles = true + end + + # This option will default to `:apply_to_host_groups` in RSpec 4 (and will + # have no way to turn it off -- the option exists only for backwards + # compatibility in RSpec 3). It causes shared context metadata to be + # inherited by the metadata hash of host groups and examples, rather than + # triggering implicit auto-inclusion in groups with matching metadata. + config.shared_context_metadata_behavior = :apply_to_host_groups + +# The settings below are suggested to provide a good initial experience +# with RSpec, but feel free to customize to your heart's content. +=begin + # This allows you to limit a spec run to individual examples or groups + # you care about by tagging them with `:focus` metadata. When nothing + # is tagged with `:focus`, all examples get run. RSpec also provides + # aliases for `it`, `describe`, and `context` that include `:focus` + # metadata: `fit`, `fdescribe` and `fcontext`, respectively. + config.filter_run_when_matching :focus + + # Allows RSpec to persist some state between runs in order to support + # the `--only-failures` and `--next-failure` CLI options. We recommend + # you configure your source control system to ignore this file. + config.example_status_persistence_file_path = "spec/examples.txt" + + # Limits the available syntax to the non-monkey patched syntax that is + # recommended. For more details, see: + # https://rspec.info/features/3-12/rspec-core/configuration/zero-monkey-patching-mode/ + config.disable_monkey_patching! + + # Many RSpec users commonly either run the entire suite or an individual + # file, and it's useful to allow more verbose output when running an + # individual spec file. + if config.files_to_run.one? + # Use the documentation formatter for detailed output, + # unless a formatter has already been configured + # (e.g. via a command-line flag). + config.default_formatter = "doc" + end + + # Print the 10 slowest examples and example groups at the + # end of the spec run, to help surface which specs are running + # particularly slow. + config.profile_examples = 10 + + # Run specs in random order to surface order dependencies. If you find an + # order dependency and want to debug it, you can fix the order by providing + # the seed, which is printed after each run. + # --seed 1234 + config.order = :random + + # Seed global randomization in this process using the `--seed` CLI option. + # Setting this allows you to use `--seed` to deterministically reproduce + # test failures related to randomization by passing the same `--seed` value + # as the one that triggered the failure. + Kernel.srand config.seed +=end +end diff --git a/spec/task/utils_performace_spec.rb b/spec/task/utils_performace_spec.rb new file mode 100644 index 00000000..74e5a8a7 --- /dev/null +++ b/spec/task/utils_performace_spec.rb @@ -0,0 +1,11 @@ +# frozen_string_literal: true + +RSpec.describe 'UtilsTaskPerformance' do + describe '.reload_json' do + context 'with file contained 100K trips' do + it 'performs under 10 seconds' do + expect { system 'bin/rake utils:reload_json[fixtures/large.json]' }.to perform_under(10).sec + end + end + end +end