yevgenko

#!/bin/sh

usage() {
	cat <<\EOF
usage: git jump <mode> [<args>]

Jump to interesting elements in an editor.
The <mode> parameter is one of:

diff: elements are diff hunks. Arguments are given to diff.

yevgenko

require 'stringio'

def capture_stdout_string
  io = StringIO.new

  capture_stdout(io) do
    yield
  end

  io.string

yevgenko

#!/bin/sh

INITIAL_QUERY=""
RG_PREFIX="rg --column --line-number --no-heading --color=always --smart-case "
FZF_DEFAULT_COMMAND="$RG_PREFIX '$INITIAL_QUERY'" \
  fzf --bind "change:reload:$RG_PREFIX {q} || true" \
      --ansi --disabled --query "$INITIAL_QUERY" \
      --height=50% --layout=reverse \
      -m --delimiter : \
      --preview "rg {q} --color always --line-number --passthrough {1}" \

yevgenko

#!/bin/sh

usage() {
	cat <<\EOF
usage: fzg <needle>
EOF
}

if test $# -lt 1; then
	usage >&2

yevgenko

The Problem

bundle install

> Fetching source index from https://rails-assets.org/
> 
> Retrying fetcher due to error (2/4): Bundler::HTTPError Could not fetch specs from https://rails-assets.org/
> Retrying fetcher due to error (3/4): Bundler::HTTPError Could not fetch specs from https://rails-assets.org/
> Retrying fetcher due to error (4/4): Bundler::HTTPError Could not fetch specs from https://rails-assets.org/
> Could not fetch specs from https://rails-assets.org/

yevgenko

require 'csv'
require 'json'

def flatfile_io_json2csv_string(data_as_string = '[{"sku_code": "123"}, {"sku_code": "321"}]')
  CSV.generate do |csv|
    json_data = JSON.parse(data_as_string)

    csv << json_data.first.keys # header
    json_data.each do |hash|
      csv << hash.values

yevgenko

#
# https://github.com/yevgenko/ruby-auction_sniper/blob/master/spec/fake_auction_server.rb
#
# https://www.safaribooksonline.com/library/view/growing-object-oriented-software/9780321574442/ch11.html
#
class SingleMessageListener
  include RSpec::Matchers

  def initialize
    @messages = SizedQueue.new(1)

yevgenko

module Fubarizable
  def fubarize
    "foobar-#{fubarizable}-foobar"
  end
end

class FakeFoobar
  include Fubarizable

  def fubarizable

yevgenko

#!/bin/sh

docker run -p 9200:9200 -e "http.host=0.0.0.0" -e "transport.host=127.0.0.1" docker.elastic.co/elasticsearch/elasticsearch:5.4.1

yevgenko

title Designing End To End Test
Test->ApplicationRunner: perform_foobar_for(order)
ApplicationRunner->OrderPage: perform_action(Order::ACTION_FOOBAR)
OrderPage->CapybaraPage: visit('/orders/order.id')
OrderPage->CapybaraPage: click(text)
Test->ApplicationRunner: has_shown_foobar_status_for(order)
ApplicationRunner->OrderPage: shows_status(Order::STATUS_FOOBAR)
OrderPage->CapybaraPage: visit('/orders/order.id')
OrderPage->CapybaraPage: assert_text(text)