Vasily Polovnyov

Rails, Ruby, RSpec, JS and engineering culture

Kursk, Russia Joined on Jan 18, 2021 vasily@polovnyov.ru https://vasily.polovnyov.ru/

Work

Senior Software Engineer

Vasily Polovnyov

May 19 '22

RSpec & Rails: what not to write in `it`

#ruby #testing #programming

1 min read

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Vasily Polovnyov

May 17 '22

RSpec & Rails: how to stub env vars

#ruby #testing #programming

1 min read

Vasily Polovnyov

May 14 '22

How to test code that works with an external API: a stub on Sinatra

#ruby #testing #programming

2 min read

Vasily Polovnyov

May 12 '22

Quick tip: stub requests to unix sockets

#ruby #testing #rspec

1 min read

Vasily Polovnyov

May 5 '22

Using Faker is anti-pattern

#ruby #testing #programming

1 min read

Vasily Polovnyov

May 3 '22

Fake data in tests

#ruby #testing #programming

1 min read

Vasily Polovnyov

Apr 28 '22

Linting Ruby right in Neovim

#vim #ruby #productivity

1 min read

Vasily Polovnyov

Apr 25 '22

“What” and “For what” in pull requests

#programming #productivity #github

1 min read

Vasily Polovnyov

May 3 '21

Rack application as a stub

#rails #beginners #tips

1 min read

Vasily Polovnyov

Apr 25 '21

Learning Through Overuse

1 min read

Vasily Polovnyov

Apr 19 '21

My new favourite programming font: iA Writer Mono S

1 min read

Vasily Polovnyov

Apr 12 '21

Is it time to quit?

#rant

1 min read

Vasily Polovnyov

Apr 5 '21

Should I test absolutely every public method?

1 min read

Vasily Polovnyov

Mar 29 '21

Not noticing new objects

#ruby #rails #beginners #tips

1 min read

Vasily Polovnyov

Mar 22 '21

Chrome DevTools tip: use cmd+shift+p

#webdev #beginners #tips

1 min read

Vasily Polovnyov

Mar 15 '21

My top 3 albums for maximum coding efficiency

1 min read

Vasily Polovnyov

Mar 10 '21

gg=G`` — my favourite Vim command

#vim #tips

1 min read

Vasily Polovnyov

Mar 3 '21

RSpec: what's important for the test

#rspec #ruby #beginners

1 min read

Vasily Polovnyov

Mar 2 '21

RSpec: do not verify hash keys separately

#rspec #ruby #testing

1 min read

Vasily Polovnyov

Mar 1 '21

Which test will fall if we delete this piece of code?

#rspec #ruby #testing #beginners

1 min read

Vasily Polovnyov

Feb 24 '21

Pair debugging iOS bugs via QuickTime

#debug #debugging #tips #webdev

1 min read

Vasily Polovnyov

Feb 23 '21

RSpec: too much going on in `expect`

#rspec #ruby #testing

1 min read

Vasily Polovnyov

Feb 22 '21

RSpec & Rails: how to test callbacks

#rspec #ruby #rails #beginners

1 min read

Vasily Polovnyov

Feb 16 '21

RSpec: when to use double instead of instance_double

#rspec #ruby #testing

1 min read

Vasily Polovnyov

Feb 16 '21

RSpec: 3 things you should stop writing in example descriptions

#rspec #testing #ruby

1 min read

Vasily Polovnyov

Feb 15 '21

Please don't test attr_reader, attr_writer, or attr_accessor

#rspec #ruby #testing

1 min read

Vasily Polovnyov

Feb 10 '21

The most common issue I see in new programmers code

#beginners #javascript

1 min read

Vasily Polovnyov

Feb 9 '21

Git tip: use -

#git #productivity #beginners

1 min read

Vasily Polovnyov

Feb 8 '21

Rule of thumb: let vs. before

#rspec #ruby #testing

1 min read

Vasily Polovnyov

Feb 3 '21

RSpec: one _logical_ expectation per example

1 min read

Vasily Polovnyov

Feb 2 '21

Explaining RSpec minimal code style rules in 2 minutes

#rspec #ruby #testing

2 min read

Vasily Polovnyov

Feb 1 '21

Explaining RSpec describe, context in 2 minutes

#rspec #ruby #testing

1 min read

Vasily Polovnyov

Jan 31 '21

Explaining RSpec instance_double in 2 minutes

#rspec #ruby #testing

1 min read

Vasily Polovnyov

Jan 21 '21

Vim tip: alias command

#vim #productivity #beginners

1 min read

Vasily Polovnyov

Jan 20 '21

Explaining RSpec doubles, mocks and stubs in 2 minutes

#rspec #ruby #testing

2 min read

Vasily Polovnyov

Jan 20 '21

How to test whenever config

#ruby #rspec #testing

1 min read

Vasily Polovnyov

Jan 20 '21

Instant test feedback with vim-test

#ruby #vim #rspec #productivity

1 min read

Vasily Polovnyov

Jan 18 '21

Как писать полезные комментарии к коммитам

#git

1 min read

Vasily Polovnyov

Jan 18 '21

По хардкору: describe vs. context

#ruby #rspec #testing

1 min read

Vasily Polovnyov

Jan 18 '21

По хардкору: instance_double, verify_partial_doubles

#ruby #rspec #testing #doubles

1 min read

Vasily Polovnyov

Jan 18 '21

По хардкору: дублеры, моки, стабы

#ruby #rspec #doubles #stubs

1 min read

Vasily Polovnyov

Jan 18 '21

Пора валить?

#career #productivity

1 min read

Vasily Polovnyov

Jan 18 '21

Обратная связь в тестах

#vim #productivity #testing

1 min read

Vasily Polovnyov

Jan 18 '21

Что почитать начинающему тимлиду

#career #leadership

1 min read

Vasily Polovnyov

Jan 18 '21

Сэнди Метц

#ruby #refactoring #oop

1 min read

Vasily Polovnyov

Jan 19 '21

Только то, что важно для проверки

#ruby #rspec #testing

1 min read

Vasily Polovnyov

Jan 19 '21

Меньше — лучше

1 min read

Vasily Polovnyov

Jan 19 '21

Когда использовать double, а не instance_double?

#ruby #rspec #testing

1 min read

Vasily Polovnyov

Jan 19 '21

RSpec: before и after хуки

#ruby #rspec #testing

1 min read

Vasily Polovnyov

Jan 19 '21

Как застабить переменные окружения в RSpec

#ruby #rspec #testing

1 min read

Vasily Polovnyov

Jan 19 '21

Что не нужно писать в it

#ruby #rspec #testing

1 min read

Vasily Polovnyov

Jan 19 '21

RuboCop, RSpec и стайлгад

#ruby #rspec #rubocop

1 min read

Vasily Polovnyov

Jan 19 '21

Как протестировать конфиг whenever

#ruby #rspec #testing

1 min read

Vasily Polovnyov

Jan 19 '21

Один тест — одна логическая проверка

#ruby #rspec #testing

1 min read

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