fix: don't cast the value provided as a default

Gemfile.lock

@@ -81,6 +81,7 @@ GEM
 
 PLATFORMS
   arm64-darwin-21
+  arm64-darwin-22
 
 DEPENDENCIES
   konfig-config!

lib/konfig/schema_group.rb

@@ -30,7 +30,7 @@ def create_hash(path, source = nil)
       @attributes.each_with_object({}) do |(name, attribute), hash|
         attribute_path = path + [name]
         if source.nil?
-          hash[name] = attribute.cast(attribute.default)
+          hash[name] = attribute.default
         else
           begin
             source_value = source.get(attribute_path, attribute: attribute)

spec/specs/schema_group_spec.rb

@@ -83,10 +83,15 @@ module Konfig
       context 'when not given a source' do
         it 'returns a hash with the default values only' do
           group.add_attribute(:hostname, default: 'localhost')
-          group.add_attribute(:port, default: 8080)
+          group.add_attribute(:port, default: '8080')
           expect(group.create_hash([])).to eq(hostname: 'localhost', port: '8080')
         end
 
+        it 'does not cast the values provided as the default' do
+          group.add_attribute(:hostname, default: 12_345)
+          expect(group.create_hash([])).to eq(hostname: 12_345)
+        end
+
         it 'does include attributes that do not have a default value' do
           group.add_attribute(:hostname)
           group.add_attribute(:port)