Configure SimpleCov

.simplecov

@@ -8,8 +8,14 @@ SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new([
 ])
 
 SimpleCov.start 'rails' do
-  add_group 'Channels', '/app/channels/'
+  add_group 'Channels',    '/app/channels/'
+  add_group 'Interactors', '/app/interactors/'
+  add_group 'Policies',    '/app/policies/'
 
+  add_filter '/app/previews/'
   add_filter '/factories/'
+  add_filter '/features/'
+  add_filter '/lib/templates/'
   add_filter '/spec/'
+  add_filter '/vendor/'
 end

config/boot.rb

@@ -3,4 +3,22 @@
 ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
 
 require 'bundler/setup' # Set up gems listed in the Gemfile.
-require 'bootsnap/setup' # Speed up boot time by caching expensive operations.
+
+require 'bootsnap'
+
+cache_dir = File.join(File.expand_path('..', __dir__), 'tmp', 'cache')
+
+env = ENV['RAILS_ENV'] || ENV['RACK_ENV'] || ENV['ENV']
+
+development_mode = ['', nil, 'development'].include?(env)
+test_mode        = env == 'test'
+
+Bootsnap.setup(
+  cache_dir:            cache_dir,
+  development_mode:     development_mode,
+  load_path_cache:      true,
+  autoload_paths_cache: true,
+  disable_trace:        false,
+  compile_cache_iseq:   test_mode,
+  compile_cache_yaml:   true,
+)