Active Record Test single file

mysql-insert_all-test.rb

# frozen_string_literal: true

require "bundler/inline"

gemfile(true) do
  source "https://rubygems.org"

  git_source(:github) { |repo| "https://github.com/#{repo}.git" }

  gem "rails", github: "rails/rails", branch: "master"
  gem "mysql2"
end

require "active_record"
require "minitest/autorun"
require "logger"

ActiveRecord::Base.establish_connection(adapter: "mysql2", database: "activerecord_unittest")
ActiveRecord::Base.logger = Logger.new(STDOUT)

ActiveRecord::Schema.define do
  create_table :articles, force: true do |t|
    t.string :title, null: false
    t.string :slug, null: false
    t.string :author, null: false

    t.index :slug, unique: true
  end
end

class Article < ActiveRecord::Base; end

class BugTest < Minitest::Test
  def test_upsert_all
    Article.insert_all(
      [
        { title: "Article 1", slug: "article", author: "Jane" },
        { title: "Article 2", slug: "article", author: "John" }
      ]
    )

    assert_equal 1, Article.count
  end
end