I talk about testing in Ruby and JavaScript. I help tech companies run CI builds faster with https://knapsackpro.com. It's a solution for optimal test suite CI parallelisation.

CircleCI rerun only failed tests feature and RSpec with parallelism (save time and CI resources)
1:48
CircleCI rerun only failed tests feature and RSpec with parallelism (save time and CI resources)
CircleCI rerun failed tests in RSpec with parallelism to save time and resources
2:45
CircleCI rerun failed tests in RSpec with parallelism to save time and resources
Powerful CI machine vs. Many parallel CI nodes - parallel_tests gem and knapsack_pro gem - pitfalls
10:24
Powerful CI machine vs. Many parallel CI nodes - parallel_tests gem and knapsack_pro gem - pitfalls
How to reproduce flaky tests? Use this bash script to retry RSpec Ruby tests
2:51
How to reproduce flaky tests? Use this bash script to retry RSpec Ruby tests
Buildkite parallel jobs with RSpec tests
5:25
Buildkite parallel jobs with RSpec tests
Divide your slow RSpec test file automatically and run in parallel jobs on your CI server
1:25
Divide your slow RSpec test file automatically and run in parallel jobs on your CI server
RSpec split slow test files by test examples (auto divide test cases between parallel CI jobs)
7:00
RSpec split slow test files by test examples (auto divide test cases between parallel CI jobs)
Knapsack Pro - Welcome in user dashboard (onboarding)
0:58
Knapsack Pro - Welcome in user dashboard (onboarding)
Jak dzielić testy automatyczne na wiele równoległych serwerów [Knapsack Pro explained in Polish]
8:55
Jak dzielić testy automatyczne na wiele równoległych serwerów [Knapsack Pro explained in Polish]
Cypress Parallel testing on Codefresh.io
10:09
Cypress Parallel testing on Codefresh.io
How to use Codefresh matrix parallel steps to run parallel tests in Ruby on Rails
6:33
How to use Codefresh matrix parallel steps to run parallel tests in Ruby on Rails
How to run Jest tests on GitHub Actions - JS parallel jobs with matrix feature (NodeJS YAML config)
6:17
How to run Jest tests on GitHub Actions - JS parallel jobs with matrix feature (NodeJS YAML config)
GitHub Actions Cypress.io E2E testing parallel jobs with matrix feature (NodeJS YAML config)
6:53
GitHub Actions Cypress.io E2E testing parallel jobs with matrix feature (NodeJS YAML config)
GitHub Actions testing Ruby on Rails with RSpec and parallel jobs (matrix feature)
14:17
GitHub Actions testing Ruby on Rails with RSpec and parallel jobs (matrix feature)
Heroku Add-on to run fast CI builds - Knapsack Pro Add-on intro
13:30
Heroku Add-on to run fast CI builds - Knapsack Pro Add-on intro
GitLab CI parallelisation - how to run parallel jobs for Ruby & JavaScript projects
6:19
GitLab CI parallelisation - how to run parallel jobs for Ruby & JavaScript projects
How to run RSpec 30 minutes tests in only 3 minutes
2:56
How to run RSpec 30 minutes tests in only 3 minutes
RSpec 30 minutes down to 3 minutes - CI parallelisation
1:26
RSpec 30 minutes down to 3 minutes - CI parallelisation
Service Objects in Ruby on Rails and RSpec testing
36:34
Service Objects in Ruby on Rails and RSpec testing
Running Rails tests in parallel on Semaphore CI 2.0 with dynamic test files split
6:01
Running Rails tests in parallel on Semaphore CI 2.0 with dynamic test files split
Buildkite parallel agents and how to use them for CI parallelisation
3:29
Buildkite parallel agents and how to use them for CI parallelisation
Continuous delivery pipelines in Jenkins and CI parallelisation
3:05
Continuous delivery pipelines in Jenkins and CI parallelisation
Travis CI build matrix feature how to use it for CI parallelisation
3:34
Travis CI build matrix feature how to use it for CI parallelisation
What is Heroku CI? CI parallelisation and configuration options
5:07
What is Heroku CI? CI parallelisation and configuration options
Cypress.io Parallelisation and lost network connection - how Fallback Mode in Knapsack Pro works?
4:04
Cypress.io Parallelisation and lost network connection - how Fallback Mode in Knapsack Pro works?
Jest JavaScript Testing and CI parallelisation how to do it?
2:44
Jest JavaScript Testing and CI parallelisation how to do it?
CodeShip Parallelisation - Parallel Test Pipelines how to run Ruby & JavaScript tests faster
3:38
CodeShip Parallelisation - Parallel Test Pipelines how to run Ruby & JavaScript tests faster
Why write automated tests?
0:29
Why write automated tests?
How to split E2E tests on multiple CI nodes using Cypress.io test runner - CI parallelisation
6:49
How to split E2E tests on multiple CI nodes using Cypress.io test runner - CI parallelisation
Cypress.io + Knapsack Pro to run parallel tests on CI faster
0:38
Cypress.io + Knapsack Pro to run parallel tests on CI faster