Integrate simplecov with rspec

Author: rossta

.gitignore

@@ -70,3 +70,5 @@ config/litestream/*.yml
 
 # Ignore rspec failure file
 spec/failures.txt
+
+/coverage

.simplecov

@@ -0,0 +1,25 @@
+SimpleCov.start :rails do
+  add_group "Controllers", "app/controllers"
+  add_group "Content", "app/content"
+  add_group "Helpers", "app/helpers"
+  add_group "Jobs", "app/jobs"
+  add_group "Libraries", "lib"
+  add_group "Mailers", "app/mailers"
+  add_group "Models", "app/models"
+  add_group "Notifiers", "app/notifiers"
+  add_group "Views", "app/views"
+
+  add_filter %r{^/bin/}
+  add_filter %r{^/config/}
+  add_filter %r{^/db/}
+  add_filter %r{^/log/}
+  add_filter %r{^/storage/}
+  add_filter %r{^/tmp/}
+  add_filter %r{^/vendor/}
+
+  add_filter %r{^/app/assets/}
+  add_filter %r{^/app/javascript/}
+
+  add_filter %r{^/lib/assets/}
+  add_filter %r{^/lib/rails-wasm/}
+end

spec/rails_helper.rb

@@ -1,6 +1,11 @@
+# frozen_string_literal: true
+
 # This file is copied to spec/ when you run 'rails generate rspec:install'
 require "spec_helper"
 ENV["RAILS_ENV"] ||= "test"
+
+require "simplecov"
+
 require_relative "../config/environment"
 # Prevent database truncation if the environment is production
 abort("The Rails environment is running in production mode!") if Rails.env.production?