Replace Lotus::Model::Adapter with Lotus::Model::Config::Adapter

lib/lotus/model.rb

@@ -2,6 +2,7 @@
 require 'lotus/entity'
 require 'lotus/repository'
 require 'lotus/model/mapper'
+require 'lotus/model/config/adapter'
 
 module Lotus
   # Model
@@ -27,8 +28,6 @@ class NonPersistedEntityError < ::StandardError
 
     include Utils::ClassAttribute
 
-    Adapter = Struct.new(:name, :uri, :default)
-
     # Framework adapters
     #
     # @since 0.2.0
@@ -80,7 +79,7 @@ def self.configure(&block)
     #     adapter :sql, 'postgres://localhost/database', default: true
     #   end
     def self.adapter(name, uri, default: false)
-      adapters[name] = Adapter.new(name, uri, default)
+      adapters[name] = Lotus::Model::Config::Adapter.new(name, uri, default)
     end
   end
 end

lib/lotus/model/config/adapter.rb

@@ -0,0 +1,64 @@
+module Lotus
+  module Model
+    module Config
+      # Configuration for the adapter
+      #
+      # Lotus::Model has its own global configuration that can be manipulated
+      # via `Lotus::Model.configure`.
+      #
+      # New adapter configuration can be registered via `Lotus::Model.adapter`.
+      #
+      # @see Lotus::Model.adapter
+      #
+      # @example
+      #   require 'lotus/model'
+      #
+      #   Lotus::Model.configure do
+      #     adapter :sql, 'postgres://localhost/database'
+      #   end
+      #
+      # Registered adapters can be retrieved via `Lotus::Model.adapters`
+      #
+      # @see Lotus::Model.adapters
+      #
+      # @example
+      #   Lotus::Model.adapter[:sql]
+      #   # => Lotus::Model::Config::Adapter(name: :sql, uri: 'postgres://localhost/database')
+      #
+      # @since 0.2.0
+      class Adapter
+        # @return name [Symbol] the unique adapter name
+        #
+        # @since 0.2.0
+        #
+        # @see Lotus::Config::Adapter#name
+        attr_reader :name
+
+        # @return uri [String] the adapter URI
+        #
+        # @since 0.2.0
+        #
+        # @see Lotus::Config::Adapter#uri
+        attr_reader :uri
+
+        # @return default [TrueClass, FalseClass] Decide if the adapter
+        # is used by default
+        #
+        # @since 0.2.0
+        #
+        # @see Lotus::Config::Adapter#default
+        attr_reader :default
+
+        # Initialize an adapter configuration instance
+        #
+        # @return [Lotus::Model::Config::Adapter] a new apdapter configuration's
+        #   instance
+        #
+        # @since 0.2.0
+        def initialize(name, uri, default = false)
+          @name, @uri, @default = name, uri, default
+        end
+      end
+    end
+  end
+end

test/model_test.rb

@@ -18,7 +18,6 @@
       adapter = Lotus::Model.adapters[:sql]
 
       adapter.default.must_equal(true)
-      #adapter.class.must_equal(Lotus::Model::Adapters::SqlAdapter)
       adapter.uri.must_equal('postgres://localhost/database')
     end
   end