Create benchmark workflow

Run a benchmark as part of our CI to ensure new code does not degrade performance.

Author: stefannibrasil

.github/workflows/bench.yml

@@ -0,0 +1,24 @@
+name: Bench
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: Benchmarks
+    steps:
+    - uses: actions/checkout@v6
+    - uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: '3.4'
+    - name: Install dependencies
+      run: bundle install
+
+    - name: Generators
+      run: RUBYOPT="-W0" bundle exec ruby benchmark/generators.rb
+    - name: Require
+      run: RUBYOPT="-W0" bundle exec ruby benchmark/load.rb

benchmark/load.rb

@@ -1,16 +1,9 @@
 # frozen_string_literal: true
 
-require 'benchmark/ips'
-require 'benchmark'
+require "benchmark"
 
-if defined?(Faker)
-  raise 'faker is defined before bench'
-end
+ms = Benchmark.realtime do
+  require 'faker'
+end * 1000
 
-path = File.expand_path("#{File.dirname(__FILE__)}/load_faker.rb")
-
-Benchmark.ips do |x|
-  x.report('Loading Time') do
-    system("ruby #{path}")
-  end
-end
+puts "took #{ms}ms to laod"

benchmark/load_faker.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 if defined?(Faker)
-  raise 'faker is already defined...'
+  raise 'faker is defined before load'
 end
 
 load(File.expand_path("#{File.dirname(__FILE__)}/../lib/faker.rb"))