neudabei

# ...

{ fields: 
  subject_categories.map do |sc|
    selected = interested_subject_categories.include?(sc)
    { title: sc.title, value: sc.id.to_s, selected: selected }
  end 
}

neudabei

# These two queries
subject_categories = SubjectCategory.in_alphabetical_order
interested_subject_categories = current_user.interested_subject_categories

# will now return the objects set up in our test
let(:subject_category_interests) { [subject_category_one, subject_category_three] }
let(:subject_categories) { [subject_category_one, subject_category_two, subject_category_three] }

neudabei

describe '#subject_category_interest_props' do
  let(:current_user) { double(:user) }

  let(:subject_category_one) { double(:subject_category_one, id: 1, title: 'subject-category-title-1') }
  let(:subject_category_two) { double(:subject_category_two, id: 2, title: 'subject-category-title-2') }
  let(:subject_category_three) { double(:subject_category_three, id: 3, title: 'subject-category-title-3') }

  let(:subject_category_interests) { [subject_category_one, subject_category_three] }
  let(:subject_categories) { [subject_category_one, subject_category_two, subject_category_three] }

neudabei

describe '#subject_category_interest_props' do
  ## arrange
  # create all subject categories

  let!(:subject_category_one) { FactoryBot.create(:subject_category, id: 1, title: 'subject-category-title-1') }
  let!(:subject_category_two) { FactoryBot.create(:subject_category, id: 2, title: 'subject-category-title-2') }
  let!(:subject_category_three) { FactoryBot.create(:subject_category, id: 3, title: 'subject-category-title-3') }

  # a learner has some subject category interests

neudabei

def subject_category_interest_props
  subject_categories = SubjectCategory.in_alphabetical_order
  interested_subject_categories = current_user.interested_subject_categories

  { fields: 
    subject_categories.map do |sc|
      selected = interested_subject_categories.include?(sc)
      { title: sc.title, value: sc.id.to_s, selected: selected }
    end }
end

neudabei

require 'digest'

puts Digest::SHA256.hexdigest("hello world!" + "2030350")

neudabei

class ProofOfWork
  require 'digest'

  def initialize(difficulty:)
    @required_number_of_zeros = difficulty
  end

  def find_nonce_for(block_content:)
    nonce = 0

neudabei

require "test_helper"

class UseVanityControllerTest < ActionController::TestCase
  tests UseVanityController

  def setup
    super
    metric :sugar_high
    new_ab_test :pie_or_cake do
      metrics :sugar_high

neudabei

class UseVanityController < ActionController::Base
  class TestModel
    def test_method
      Vanity.ab_test(:pie_or_cake)
    end
  end

  attr_accessor :current_user

  def index

neudabei

require 'minitest/autorun'
require_relative 'sieve_of_eratosthenes'

class SieveTest < Minitest::Test
  def test_a_few_primes
    expected = [2, 3, 5, 7]
    assert_equal expected, Sieve.new(10).primes
  end

  def test_primes