Allow packs configuration to be set in one place (#48)

lib/stimpack.rb

@@ -18,6 +18,23 @@ class << self
     def root
       @root ||= Rails::Application.find_root(Dir.pwd)
     end
+
+    #
+    # This is temporary. For now, we allow Stimpack roots to be configured via Stimpack.config.root
+    # Later, if clients configure packs directly, we can deprecate the Stimpack setting and
+    # remove this function and its invocations.
+    #
+    def configure_packs
+      Packs.configure do |config|
+        roots = Array(Stimpack.config.root)
+        pack_paths = roots.flat_map do |root|
+          # Support nested packs by default. Later, this can be pushed to a client configuration.
+          ["#{root}/*", "#{root}/*/*"]
+        end
+
+        config.pack_paths = pack_paths
+      end
+    end
   end
 
   @config = ActiveSupport::OrderedOptions.new

lib/stimpack/integrations/factory_bot.rb

@@ -5,8 +5,10 @@ module Integrations
     class FactoryBot
       def initialize(app)
         return unless app.config.respond_to?(:factory_bot)
+        Stimpack.configure_packs
 
         Packs.all.each do |pack|
+          next if pack.relative_path.glob('*.gemspec').any?
           app.config.factory_bot.definition_file_paths << pack.relative_path.join("spec/factories").to_s
         end
       end

lib/stimpack/integrations/rails.rb

@@ -10,15 +10,13 @@ def initialize(app)
         @app = app
 
         Stimpack.config.paths.freeze
+        Stimpack.configure_packs
+
         create_engines
         inject_paths
       end
 
       def create_engines
-        # Ideally, the user just does `Packs.configure { |config| config.roots = '...' }`
-        # But that would be a public API change and can come later
-        Packs.configure { |config| config.roots = Array(Stimpack.config.root) }
-
         Packs.all.each do |pack|
           next unless pack.metadata['engine']
 

lib/stimpack/integrations/rspec.rb

@@ -10,11 +10,12 @@ def initialize
         to_run = ::RSpec.configuration.instance_variable_get(:@files_or_directories_to_run)
         default_path = ::RSpec.configuration.default_path
 
+        Stimpack.configure_packs
+
         if to_run == [default_path]
           # This is the default case when you run `rspec`. We want to add all the pack's spec paths
           # to the collection of directories to run.
 
-          Packs.configure { |config| config.roots = Array(Stimpack.config.root) }
           pack_paths = Packs.all.map do |pack|
             spec_path = pack.relative_path.join(default_path)
             spec_path.to_s if spec_path.exist?

lib/stimpack/version.rb

@@ -1,3 +1,3 @@
 module Stimpack
-  VERSION = "0.8.1".freeze
+  VERSION = "0.8.2".freeze
 end