Non-Dry-Example

test.rb

# frozen_string_literal: true

require "minitest/mock"

class MyJobTest < ActiveJob::TestCase
  test "check job calls method" do
    mock = Minitest::Mock.new
    mock.expect :mymethod, nil do |id:, message:|
      id.is_a?(Integer) &&
      message.is_a?(String)
    end
    MyModule::myclass.any_instance.stub(:mymethod, mock) do
      MyJob.perform_now(id: 1234)
    end
    assert mock.verify
  end

  test "check job creates message" do
    mock = Minitest::Mock.new
    mock.expect :mymethod, nil do |id:, message:|
      id.is_a?(Integer) &&
      message.is_a?(String) &&
      message.downcase.include?("hello, world!")
    end
    MyModule::myclass.any_instance.stub(:mymethod, mock) do
      MyJob.perform_now(id: 1234)
    end
    assert mock.verify
  end
end