Knapsack
Spring
Knapsack | Spring | |
---|---|---|
5 | 8 | |
507 | 2,797 | |
0.6% | 0.4% | |
3.4 | 6.1 | |
3 months ago | 12 days ago | |
Ruby | Ruby | |
MIT License | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Knapsack
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Ask HN: What is the most impactful thing you've ever built?
I've created a knapsack ruby gem for CI parallelisation that has over 122 million downloads. Primarily due to the fact, Gitlab is using it.
I spin off https://knapsackpro.com from the knapsack gem and we are helping our customers run fast CI builds.
- Run 1 hour test suite in 2 min with optimal parallelisation on existing CI infra
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Testing Ruby on Rails on Github Actions with RSpec
name: Main on: [push] jobs: test: runs-on: ubuntu-latest # If you need DB like PostgreSQL, Redis then define service below. # https://github.com/actions/example-services/tree/master/.github/workflows services: postgres: image: postgres:10.8 env: POSTGRES_USER: postgres POSTGRES_PASSWORD: "" POSTGRES_DB: postgres ports: - 5432:5432 # needed because the postgres container does not provide a healthcheck # tmpfs makes DB faster by using RAM options: >- --mount type=tmpfs,destination=/var/lib/postgresql/data --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5 redis: image: redis ports: - 6379:6379 options: --entrypoint redis-server # https://help.github.com/en/articles/workflow-syntax-for-github-actions#jobsjob_idstrategymatrix strategy: fail-fast: false matrix: # [n] - where the n is a number of parallel jobs you want to run your tests on. # Use a higher number if you have slow tests to split them between more parallel jobs. # Remember to update the value of the `ci_node_index` below to (0..n-1). ci_node_total: [8] # Indexes for parallel jobs (starting from zero). # E.g. use [0, 1] for 2 parallel jobs, [0, 1, 2] for 3 parallel jobs, etc. ci_node_index: [0, 1, 2, 3, 4, 5, 6, 7] env: RAILS_ENV: test GEMFILE_RUBY_VERSION: 2.7.2 PGHOST: localhost PGUSER: postgres # Rails verifies the time zone in DB is the same as the time zone of the Rails app TZ: "Europe/Warsaw" steps: - uses: actions/checkout@v2 - name: Set up Ruby uses: ruby/setup-ruby@v1 with: # Not needed with a .ruby-version file ruby-version: 2.7 # runs 'bundle install' and caches installed gems automatically bundler-cache: true - name: Create DB run: | bin/rails db:prepare - name: Run tests env: KNAPSACK_PRO_TEST_SUITE_TOKEN_RSPEC: ${{ secrets.KNAPSACK_PRO_TEST_SUITE_TOKEN_RSPEC }} KNAPSACK_PRO_CI_NODE_TOTAL: ${{ matrix.ci_node_total }} KNAPSACK_PRO_CI_NODE_INDEX: ${{ matrix.ci_node_index }} KNAPSACK_PRO_LOG_LEVEL: info # if you use Knapsack Pro Queue Mode you must set below env variable # to be able to retry CI build and run previously recorded tests # https://github.com/KnapsackPro/knapsack_pro-ruby#knapsack_pro_fixed_queue_split-remember-queue-split-on-retry-ci-node KNAPSACK_PRO_FIXED_QUEUE_SPLIT: true # RSpec split test files by test examples feature - it's optional # https://knapsackpro.com/faq/question/how-to-split-slow-rspec-test-files-by-test-examples-by-individual-it KNAPSACK_PRO_RSPEC_SPLIT_BY_TEST_EXAMPLES: true run: | bundle exec rake knapsack_pro:queue:rspec
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How to run fast RSpec tests on CircleCI with parallel jobs and have nice JUnit XML reports in CircleCI web UI
# Ruby CircleCI 2.0 configuration file # # Check https://circleci.com/docs/2.0/language-ruby/ for more details # version: 2 jobs: build: parallelism: 10 # https://circleci.com/docs/2.0/configuration-reference/#resource_class resource_class: small docker: # specify the version you desire here - image: circleci/ruby:2.7.1-node-browsers environment: PGHOST: 127.0.0.1 PGUSER: my_db_user RAILS_ENV: test # Split slow RSpec test files by test examples # https://knapsackpro.com/faq/question/how-to-split-slow-rspec-test-files-by-test-examples-by-individual-it KNAPSACK_PRO_RSPEC_SPLIT_BY_TEST_EXAMPLES: true # Specify service dependencies here if necessary # CircleCI maintains a library of pre-built images # documented at https://circleci.com/docs/2.0/circleci-images/ - image: circleci/postgres:10.6-alpine-ram environment: POSTGRES_DB: my_db_name POSTGRES_PASSWORD: "" POSTGRES_USER: my_db_user # Rails verifies Time Zone in DB is the same as time zone of the Rails app TZ: "Europe/Warsaw" - image: redis:6.0.7 working_directory: ~/repo environment: TZ: "Europe/Warsaw" steps: - checkout # Download and cache dependencies - restore_cache: keys: - v2-dependencies-bundler-{{ checksum "Gemfile.lock" }}-{{ checksum ".ruby-version" }} # fallback to using the latest cache if no exact match is found - v2-dependencies-bundler- - run: name: install ruby dependencies command: | bundle install --jobs=4 --retry=3 --path vendor/bundle - save_cache: paths: - ./vendor/bundle key: v2-dependencies-bundler-{{ checksum "Gemfile.lock" }}-{{ checksum ".ruby-version" }} # Database setup - run: bin/rails db:prepare - run: name: run tests command: | export CIRCLE_TEST_REPORTS=/tmp/test-results mkdir $CIRCLE_TEST_REPORTS bundle exec rake "knapsack_pro:queue:rspec[--format documentation --format RspecJunitFormatter --out tmp/rspec.xml]" # collect reports - store_test_results: path: /tmp/test-results - store_artifacts: path: /tmp/test-results destination: test-results
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Six things you should consider while designing a test architecture
One, the interesting out-of-the-box solution is Knapsack Pro. It helps run your tests in a parallel efficient way.
Spring
- Spring: Rails Application Preloader
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Could not detect rake tasks
# Use the Puma web server [https://github.com/puma/puma] gem "puma", "~> 5.0" # Build JSON APIs with ease [https://github.com/rails/jbuilder] # gem "jbuilder" gem 'rack-cors' gem "devise" gem "jsonapi-serializer" gem 'devise-jwt' gem 'active_model_serializers' gem 'followability' gem 'dotenv-rails', groups: [:development, :test, :production] gem 'sprockets' # Use Redis adapter to run Action Cable in production # gem "redis", "~> 4.0" # Use Kredis to get higher-level data types in Redis [https://github.com/rails/kredis] # gem "kredis" # Use Active Model has_secure_password [https://guides.rubyonrails.org/active_model_basics.html#securepassword] # gem "bcrypt", "~> 3.1.7" # Windows does not include zoneinfo files, so bundle the tzinfo-data gem gem "tzinfo-data", platforms: %i[ mingw mswin x64_mingw jruby ] # Reduces boot times through caching; required in config/boot.rb gem "bootsnap", require: false # Use Active Storage variants [https://guides.rubyonrails.org/active_storage_overview.html#transforming-images] # gem "image_processing", "~> 1.2" # Use Rack CORS for handling Cross-Origin Resource Sharing (CORS), making cross-origin AJAX possible # gem "rack-cors" group :development, :test do # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem gem "debug", platforms: %i[ mri mingw x64_mingw ] end group :development do gem "sqlite3", "~> 1.4" # Speed up commands on slow machines / big apps [https://github.com/rails/spring] # gem "spring" end group :production do gem 'pg' end
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Active_storage first time need help!
# Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main" gem "rails", "~> 7.0.4" # The original asset pipeline for Rails [https://github.com/rails/sprockets-rails] gem "sprockets-rails" # Use sqlite3 as the database for Active Record gem "sqlite3", "~> 1.4" # Use the Puma web server [https://github.com/puma/puma] gem "puma", "~> 5.0" # Use JavaScript with ESM import maps [https://github.com/rails/importmap-rails] gem "importmap-rails" # Hotwire's SPA-like page accelerator [https://turbo.hotwired.dev] gem "turbo-rails" # Hotwire's modest JavaScript framework [https://stimulus.hotwired.dev] gem "stimulus-rails" # Build JSON APIs with ease [https://github.com/rails/jbuilder] gem "jbuilder" # Windows does not include zoneinfo files, so bundle the tzinfo-data gem gem "tzinfo-data", platforms: %i[ mingw mswin x64_mingw jruby ] # Reduces boot times through caching; required in config/boot.rb gem "bootsnap", require: false # Use Sass to process CSS # gem "sassc-rails" # Use Active Storage variants [https://guides.rubyonrails.org/active_storage_overview.html#transforming-images] # gem "image_processing", "~> 1.2" group :development, :test do # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem gem "debug", platforms: %i[ mri mingw x64_mingw ] end group :development do # Use console on exceptions pages [https://github.com/rails/web-console] gem "web-console" # Add speed badges [https://github.com/MiniProfiler/rack-mini-profiler] # gem "rack-mini-profiler" # Speed up commands on slow machines / big apps [https://github.com/rails/spring] # gem "spring" end group :test do # Use system testing [https://guides.rubyonrails.org/testing.html#system-testing] gem "capybara" gem "selenium-webdriver" gem "webdrivers" end
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New to rails and need some apllication.css importing help
# Speed up commands on slow machines / big apps [https://github.com/rails/spring] # gem "spring" end
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Unable to build and deploy Rails 6.0.4.1 app on heroku - Throws gyp verb cli error
source 'https://rubygems.org' git_source(:github) { |repo| "https://github.com/#{repo}.git" } ruby '2.7.3' # Bundle edge Rails instead: gem 'rails', github: 'rails/rails' gem 'rails', '~> 6.0.3', '>= 6.0.3.7' gem 'mongoid', git: 'https://github.com/mongodb/mongoid.git' # Use Puma as the app server gem 'puma', '~> 4.1' # Use SCSS for stylesheets gem 'sass-rails', '>= 6' # Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker gem 'webpacker', '~> 4.0' # Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks gem 'turbolinks', '~> 5' # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder gem 'jbuilder', '~> 2.7' # Use Redis adapter to run Action Cable in production # gem 'redis', '~> 4.0' # Use Active Model has_secure_password # Use Active Storage variant # gem 'image_processing', '~> 1.2' gem 'axlsx' gem 'caxlsx_rails' #Bootstrap for UI gem 'bootstrap', '~> 5.1.0' gem 'bootstrap-timepicker-rails', '~> 0.1.3' gem 'bootstrap-select-rails', '~> 1.6', '>= 1.6.3' #JQuery Rails gem 'jquery-rails' gem 'rails_12factor', group: :production # Reduces boot times through caching; required in config/boot.rb gem 'bootsnap', '>= 1.4.2', require: false group :development, :test do # Call 'byebug' anywhere in the code to stop execution and get a debugger console gem 'byebug', platforms: [:mri, :mingw, :x64_mingw] end group :development do # Access an interactive console on exception pages or by calling 'console' anywhere in the code. gem 'web-console', '>= 3.3.0' gem 'listen', '~> 3.2' gem 'pry' # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring gem 'spring' gem 'spring-watcher-listen', '~> 2.0.0' end group :test do # Adds support for Capybara system testing and selenium driver gem 'capybara', '>= 2.15' gem 'selenium-webdriver' # Easy installation and use of web drivers to run system tests with browsers gem 'webdrivers' gem 'cucumber-rails', require: false gem 'database_cleaner' end # Windows does not include zoneinfo files, so bundle the tzinfo-data gem gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby] #HTTParty for RESTful API calls gem 'httparty' #Paperclip for storing files gem 'paperclip' gem "mongoid-paperclip", :require => "mongoid_paperclip" gem "letter_opener", :group => :development r
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RSpec with FactoryBot keeps increasing ID in the database
# frozen_string_literal: true source 'https://rubygems.org' git_source(:github) { |repo| "https://github.com/#{repo}.git" } ruby '3.0.0' gem 'devise-jwt', '~> 0.8.1' gem 'dotenv-rails' # Bundle edge Rails instead: gem 'rails', github: 'rails/rails', branch: 'main' gem 'rails', '~> 6.1.4' # Use sqlite3 as the database for Active Record # gem 'sqlite3', '~> 1.4' gem 'pg' # Use Puma as the app server gem 'puma', '~> 5.0' gem 'rack-cors' # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder # gem 'jbuilder', '~> 2.7' # Use Redis adapter to run Action Cable in production # gem 'redis', '~> 4.0' # Use Active Model has_secure_password gem 'bcrypt', '~> 3.1.7' # Use Active Storage variant # gem 'image_processing', '~> 1.2' # Reduces boot times through caching; required in config/boot.rb gem 'bootsnap', '>= 1.4.4', require: false # Use Rack CORS for handling Cross-Origin Resource Sharing (CORS), making cross-origin AJAX possible # gem 'rack-cors' group :development, :test do # Call 'byebug' anywhere in the code to stop execution and get a debugger console gem 'byebug', platforms: %i[mri mingw x64_mingw] gem 'rspec-rails', '~> 5.0.0' gem 'factory_bot_rails' end group :development do gem 'listen', '~> 3.3' # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring gem 'spring' end # Windows does not include zoneinfo files, so bundle the tzinfo-data gem gem 'tzinfo-data', platforms: %i[mingw mswin x64_mingw jruby]
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Can Zeitwerk only reload files that have been changed?
Have you tried spring https://github.com/rails/spring ? Designed to do that kind of hot reloading in development.
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Working on getting a class project up and going into Heroku, keep running into this, any ideas on what’s going on and what to do?
# Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
What are some alternatives?
Parallel Tests - Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber
vcr - Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.
mutant - Automated code reviews via mutation testing - semantic code coverage.
timecop - A gem providing "time travel", "time freezing", and "time acceleration" capabilities, making it simple to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and DateTime.now in a single call.
Wrong - Wrong provides a general assert method that takes a predicate block. Assertion failure messages are rich in detail.
Appraisal - A Ruby library for testing your library against different versions of dependencies.
Zapata - An Automatic Automated Test Writer
rubygems - Library packaging and distribution for Ruby.