hackjoy

NOKOGIRI_USE_SYSTEM_LIBRARIES=1 \
gem install nokogiri -- \
  --with-xml2-config=/usr/local/opt/libxml2/bin/xml2-config \
  --with-xslt-config=/usr/local/opt/libxslt/bin/xslt-config
  
  
https://github.com/sparklemotion/nokogiri/issues/1049

hackjoy

require_relative '../../test_helper'
require_relative '../lib/bottles'

class BottlesTest < Minitest::Test

  attr_reader :bottles
  def setup
    @bottles = ::Bottles.new
  end

hackjoy

class Bottles

  def verse(num)
    "99 bottles of beer on the wall, 99 bottles of beer.\n" +
    "Take one down and pass it around, 98 bottles of beer on the wall.\n"
  end

end

hackjoy

class Bottles

  def verse(num)
    case num
    when 89
      "89 bottles of beer on the wall, 89 bottles of beer.\n" +
      "Take one down and pass it around, 88 bottles of beer on the wall.\n"
    when 99
      "99 bottles of beer on the wall, 99 bottles of beer.\n" +
      "Take one down and pass it around, 98 bottles of beer on the wall.\n"

hackjoy

class Bottles
  
  def verse(num)
    case num
    when 0
      "No more bottles of beer on the wall, no more bottles of beer.\n" +
      "Go to the store and buy some more, 99 bottles of beer on the wall.\n"
    when 1 
      "1 bottle of beer on the wall, 1 bottle of beer.\n" +
      "Take it down and pass it around, no more bottles of beer on the wall.\n"

hackjoy

# ... previous setup and tests not shown for brevity ...

  def test_a_couple_verses
    expected = <<-VERSES
99 bottles of beer on the wall, 99 bottles of beer.
Take one down and pass it around, 98 bottles of beer on the wall.

98 bottles of beer on the wall, 98 bottles of beer.
Take one down and pass it around, 97 bottles of beer on the wall.
VERSES

hackjoy

class Bottles

  # ... verse() method not shown for brevity ...
  
  def verses(upper_bound, lower_bound)
    "#{verse(upper_bound)}\n#{verse(lower_bound)}"
  end
end

hackjoy

class Bottles
 
  # ... verse() method not shown for brevity ...
  
  def verses(upper_bound, lower_bound)
    upper_bound
    .downto(lower_bound)
    .collect {|verse_number| verse(verse_number)}
    .join("\n")
  end

hackjoy

  # ...setup and previous test not shown for brevity ...
  
  def test_another_verse
    expected = <<-VERSE
89 bottles of beer on the wall, 89 bottles of beer.
Take one down and pass it around, 88 bottles of beer on the wall.
VERSE
    assert_equal expected, bottles.verse(89)
  end
  

hackjoy

# ... previous setup and tests not shown for brevity ...
 
 def test_a_few_verses
    expected = <<-VERSES
2 bottles of beer on the wall, 2 bottles of beer.
Take one down and pass it around, 1 bottle of beer on the wall.

1 bottle of beer on the wall, 1 bottle of beer.
Take it down and pass it around, no more bottles of beer on the wall.