Ruuuby

#  __   ___              ___          ___    ___  __  
# |  \ |__  \  /    |  |  |  | |    |  |  | |__  /__` 
# |__/ |___  \/     \__/  |  | |___ |  |  | |___ .__/ 

# run node.js tests on live container{A}, transfer results as file to live container{B}
qa_results = 🐋['service_js_dev'].cmd!(%w(npm test --check-leaks)).join.as_utf8
🐋['service_nginx_dev'].📁✏️('/example/file/path.txt', qa_results)

# send chat message, triggering execution of background QA tests which involve randomness
#   ‣ allowing relatively ∞ time for tests to complete, as needed
#   ‣ jobs can be scheduled from mobile-phone! 📱
#
# AMQP & REST: Ruuuby ⟶ Discord ⟶ JavaScript ⟶ RabbitMQ ⟶ Ruuuby ⟶ Discord
$discord.msg('!cmd: bundle exec rake qa:rng')

# ‣ A) is the specified path an empty file or not exist?
# ‣ B) is today's average temperature in Chicago below freezing?
# ‣ if yes to (A) and (B), save results of brew update command to file at path specified
path_file = "brew_update_#{📅.today.to_s}.txt"
unless 📁.∃?(path_file) || 📁.∅?(path_file)
  chicago_data     = 🌐.get_json!('https://www.metaweather.com/api/location/2379574/')
  avg_temp_celsius = chicago_data['consolidated_weather'].first['the_temp']
  💻("brew update > #{path_file}") if avg_temp_celsius < 0
end

#  ___  ___      ___       __   ___     __     __   ___  __  ___ 
# |__  |__   /\   |  |  | |__) |__     |  \ | / _` |__  /__`  |  
# |    |___ /~~\  |  \__/ |  \ |___    |__/ | \__> |___ .__/  |  

# | ✔ | ✔ | ✔ | ✔ | ✔ |
𝚽 == 1 + (𝚽^⁻¹)
𝚽 == 2 * sin(θ°(54))
π == 5 * acos(𝚽 / 2) 
θ°(360) == θʳ(π/2) * 4
√(√(-1337.0^⁴)) == 1337

# | ✔ | ✔ | ✘ | ✘ | ✔ |
'b'.∈? 'abc'
'abc'.∌? 'd'
'd'.∈? 'abc'
'xyz'.∉? [1337, 'xyz']
[1337, 'xyz'].∋? 1337

# | ✔ | ✘ |
[1, 'a', 2, nil, [], 2].≈≈ [nil, 2, 2, 'a', 1, []]
[1, 'a', 2, nil, [], 2] == [nil, 2, 2, 'a', 1, []]

# | ✔ | ✔ | ✔ | ✔ |
['snake_case'.🐍?, 'AHHH_CAPITALS'.🐍⬆?, 'UpperCaseCamel'.🐫?, 'lowerCaseCamel'.🐫⬇?]

# | ✘ | ✔ | ✔ | ✘ | ✘ | ✔ |
[ℕ.∋?(-5), 𝕎.∋?(0.0), ℤ.∋?(7.0), ℝ.∋?(∞), ℝ.∋?(3i), ℚ.∋?(2/3r)]

# | ✔ | ✔ | ✔ |
Matrix[[1,3,5],[2,4,6]].ᵀ == Matrix[[1,2],[3,4],[5,6]]
([1, 2, 3].⨁ [3, 4]) == [1, 4, 2]
([2, 3, 4].∖ [1, 2, 3]) == [4]

# | ✔ | ✘ |
data = {haaallo: 'wooorld', ye: 'ee'}
[data.∃🔑?(:haaallo), data.∃🔑?(:👁️👅👁️)]

# stdout ⟶ 'world'
#            'hello'
['world', 1337, 'hello', 'abc'.❄️].∀{|x| puts x if x.str? && !x.❄️?}

# stdout ⟶ 'hello'
#            'world'
['world', 1337, 'hello', 'abc'.❄️].↩∀{|x| puts x if x.str? && !x.❄️?}