aliang

# Converts a phone number with letters to a phone number with only numbers.
# Leaves any other characters untouched.
class VanityPhoneNumberConverter
  LETTER_TO_NUMBER = {
    'a' => '2', 'b' => '2', 'c' => '2',
    'd' => '3', 'e' => '3', 'f' => '3',
    'g' => '4', 'h' => '4', 'i' => '4',
    'j' => '5', 'k' => '5', 'l' => '5',
    'm' => '6', 'n' => '6', 'o' => '6',
    'p' => '7', 'q' => '7', 'r' => '7', 's' => '7',

aliang

models = ActiveRecord::Base.descendants
models.each do |m|
  last_id = m.last.id
  m.connection.execute("ALTER SEQUENCE #{m.table_name}_id_seq RESTART WITH #{last_id}")";
end

aliang

shared_examples_for "ActiveModel" do
  require 'minitest/assertions'
  require 'active_model/lint'
  include MiniTest::Assertions
  include ActiveModel::Lint::Tests

  # This is the main difference between MiniTest 4 and 5.
  # We must keep a counter of assertions.
  attr_accessor :assertions

aliang

# Rails datetime_select and similar use multiparameter attributes which are
# these dawful things from the bowels of activerecord and actionpack. This
# module extends virtus models to coerce multiparameter attributes back together
# before assigning attributes.
#
# Here's the implementation for ActiveRecord:
#
#   https://github.com/rails/rails/blob/11fd052aa815ae0255ea5b2463e88138fb3fec61/activerecord/lib/active_record/attribute_assignment.rb#L113-L218
#
# and DataMapper: