A tool to test in a effect way by only testing the min amount. .git/hooks/pre-commit.d/rspec

rspec_hook

#!/usr/bin/env ruby
class ExampleStatusParser
  def self.parse(string)
    new(string).parse
  end

  def initialize(string)
    @header_line, _, *@row_lines = string.lines.to_a
  end

  def parse
    @row_lines.map { |line| parse_row(line) }
  end

  private

  def parse_row(line)
    headers.zip(split_line(line)).to_h
  end

  def headers
    @headers ||= split_line(@header_line).grep(/\S/).map(&:to_sym)
  end

  def split_line(line)
    line.split(/\s+\|\s+?/, -1)
  end
end

@ignore = []
@file_ends_with = 'spec.rb'

def git_files_changed
  `git diff --staged --name-only --cached`.split("\n").reject do |file|
    !file.end_with?(@file_ends_with) || @ignore.include?(file) || !File.exist?(file)
  end
end

def spec_failures
  ExampleStatusParser.parse(File.read('./spec/examples.txt')).map do |example|
    next if example[:status] != 'failed'

    example[:example_id]
  end.compact
end

def success(message)
  puts message
  exit 0
end

def rspec(files)
  return true if files.size.zero?

  system("bundle exec rspec --format documentation #{files.join(' ')}")
end

success('no file to check') if (spec_failures + git_files_changed).size.zero?

success('no errors found') if rspec(spec_failures) && rspec(git_files_changed)
# Open input from keyboard usin IO.new(0) normal standard in is closed
fd = IO.sysopen '/dev/tty', 'r'
ios = IO.new(fd, 'r')

print 'Do you want to commit anyway?(Y) '
exit ios.gets.chomp == 'Y'