Rails app tests

_rails_app_code_tests

* Brakeman test
* Bundle audit test
* Rubocop test

brakeman_test.rb

class BrakemanTest < ActiveSupport::TestCase
  require "brakeman"

  test "breakman returns no errors and warnings" do
    result = Brakeman.run Rails.root.to_s
    assert_equal [], result.errors
    assert_equal [], result.warnings
  end
end

bundle_audit_test.rb

class BundleAuditTest < ActiveSupport::TestCase
  require "bundler/audit/cli"

  test "bundle audit returns no errors" do
    `bundle audit update -q`
    result = `bundle audit`
    code = `echo $?`.squish

    assert_equal "0", code, result

    puts "\n#{result}"
  end
end

rubocop_test.rb

class RubocopTest < ActiveSupport::TestCase
  require "rubocop"

  test "rubocop returns no errors" do
    cop = RuboCop::CLI.new
    args = [Rails.root.to_s]
    assert_equal 0, cop.run(args)
  end
end