fix: load initializers.rb instead of require for working tests (#700)

* fix: load `initializers.rb` instead of require for working tests

* fix cop

bridgetown-core/lib/bridgetown-core/configuration.rb

@@ -134,7 +134,7 @@ def run_initializers!(context:) # rubocop:todo Metrics/AbcSize, Metrics/Cyclomat
       initializers_file = File.join(root_dir, "config", "initializers.rb")
       return unless File.file?(initializers_file)
 
-      require initializers_file
+      load initializers_file
 
       return unless initializers # no initializers have been set up
 

bridgetown-core/lib/bridgetown-core/configuration/configuration_dsl.rb

@@ -132,7 +132,7 @@ def _setup_initializer(name:, require_gem:, require_initializer:)
 
         if require_initializer
           init_file_name = File.join(@scope.root_dir, "config", "#{name}.rb")
-          require(init_file_name) if File.exist?(init_file_name)
+          load(init_file_name) if File.exist?(init_file_name)
         end
 
         @scope.initializers[name.to_sym]

bridgetown-core/test/ssr/config/initializers.rb

@@ -1,10 +1,8 @@
 # frozen_string_literal: true
 
 Bridgetown.configure do
-  init :ssr do
-    setup ->(site) do
-      site.data.iterations ||= 0
-      site.data.iterations += 1
-    end
-  end
+  # attempt multiple inits just to ensure it is idempotent
+  init :local_ssr_init, require_gem: false
+  init :local_ssr_init, require_gem: false
+  init :local_ssr_init, require_gem: false
 end

bridgetown-core/test/ssr/config/local_ssr_init.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+Bridgetown.initializer :local_ssr_init do |config|
+  config.init :ssr do
+    setup ->(site) do
+      site.data.iterations ||= 0
+      site.data.iterations += 1
+    end
+  end
+end