refactor(): run lib specs with own rake task

Author: ldlsegovia

Rakefile

@@ -14,15 +14,20 @@ RDoc::Task.new(:rdoc) do |rdoc|
   rdoc.rdoc_files.include('lib/**/*.rb')
 end
 
+task :tests do
+  system "rspec ./spec/lib"
+end
+
 task :sprockets_tests do
   system "export SPROCKETS=true; yarn build; rspec ./spec/features"
 end
 
 task :webpack_tests do
-  system "export SPROCKETS=false; rspec"
+  system "export SPROCKETS=false; rspec ./spec/features"
 end
 
-task :tests do
+task :all_tests do
+  system "rake tests"
   system "rake sprockets_tests"
   system "rake webpack_tests"
 end

docs/CONTRIBUTING.md

@@ -36,6 +36,9 @@ To run the tests you can do, in the root of the gem:
 
 ```
 # For running the full setup (sprockets and webpacker)
+bundle exec rake all_tests
+
+# For running helper specs (/lib directory)
 bundle exec rake tests
 
 # For running with webpacker only