ruby_trap.rb

# frozen_string_literal: true
# ruby ruby_trap.rb

begin
  require "bundler/inline"
end

gemfile(true) do
  source "https://rubygems.org"
  gem "rspec", "~> 3"
end

require 'rspec/autorun'
require 'json'

class AsyncJob
  def self.perform_later(message); end
end

class Logger
  def self.warn(payload); end
end

class EventParser
  attr_reader :payload

  def initialize(payload)
    @payload = payload
  end

  def call
    AsyncJob.perform_later(message_parsed)

    Logger.warn(payload_obfuscated)
  end

  def message_parsed
    @_message_parsed ||= JSON.parse(payload)
  end

  def payload_obfuscated
    extracted_infos = message_parsed['x']
    extracted_infos['email'] = extracted_infos['email'].gsub(/[a-z]+(?=@)/, '*')
    extracted_infos
  end
end


RSpec.configure do |config|
  config.formatter = :documentation
end

RSpec.describe 'Navigation Bar' do
  let(:structured_hash) { { 'a' => 1, 'x' =>{ 'email' => '[email protected]' } } }
  let(:payload) { structured_hash.to_json }

  it 'calls AsyncJob' do
    allow(AsyncJob).to receive(:perform_later)

    EventParser.new(payload).call

    expect(AsyncJob).to have_received(:perform_later).with(structured_hash)
  end
end


=begin
Fetching gem metadata from https://rubygems.org/...
Resolving dependencies...
Using bundler 2.2.3
Using diff-lcs 1.4.4
Using rspec-support 3.10.2
Using rspec-mocks 3.10.2
Using rspec-core 3.10.1
Using rspec-expectations 3.10.1
Using rspec 3.10.0

Navigation Bar
  calls AsyncJob (FAILED - 1)

Failures:

  1) Navigation Bar calls AsyncJob
     Failure/Error: expect(AsyncJob).to have_received(:perform_later).with(structured_hash)

       #<AsyncJob (class)> received :perform_later with unexpected arguments
         expected: ({"a"=>1, "x"=>{"email"=>"[email protected]"}})
              got: ({"a"=>1, "x"=>{"email"=>"*@example.com"}})
       Diff:
       @@ -1 +1 @@
       -[{"a"=>1, "x"=>{"email"=>"[email protected]"}}]
       +[{"a"=>1, "x"=>{"email"=>"*@example.com"}}]

     # rspec_hash_mutation.rb:61:in `block (2 levels) in <main>'

Finished in 0.03061 seconds (files took 0.09747 seconds to load)
1 example, 1 failure

Failed examples:

rspec rspec_hash_mutation.rb:56 # Navigation Bar calls AsyncJob
=end