Further refactor ListCharacters to a single static method

app/controllers/characters_controller.rb

@@ -4,8 +4,7 @@ class CharactersController < ApplicationController
   navigation :characters
 
   def index
-    action = ListCharacters.new current_user
-    @characters_by_guild = CharactersByGuild.new action.run
+    @characters_by_guild = CharactersByGuild.new ListCharacters.all_for_user(current_user)
 
     if @characters_by_guild.empty?
       redirect_to action: "new"

app/controllers/raids_controller.rb

@@ -12,7 +12,7 @@ def show
     @raid = find_raid params[:id]
     @signups = ListSignups.for_raid(@raid)
 
-    @current_user_characters = ListCharacters.new(current_user).run
+    @current_user_characters = ListCharacters.all_for_user(current_user)
 
     # Possibly move this logic elsewhere? Feels too much like implementation
     # details in the controller.

app/interactors/list_characters.rb

@@ -3,14 +3,8 @@
 
 class ListCharacters
 
-  attr_accessor :user
-
-  def initialize(user)
-    @user = user
-  end
-
-  def run
-    Repository.for(Character).find_all_for_user @user
+  def self.all_for_user(user)
+    Repository.for(Character).find_all_for_user user
   end
 
 end

test/controllers/characters_controller_test.rb

@@ -28,15 +28,15 @@ class CharactersControllerTest < ActionController::TestCase
         Character.new(id: 3)
       ]
 
-      ListCharacters.any_instance.expects(:run).returns(characters)
+      ListCharacters.expects(:all_for_user).with(@user).returns(characters)
 
       get :index
 
       assigns(:characters_by_guild).wont_be_nil
     end
 
     it "redirects to #new if there are no characters" do
-      ListCharacters.any_instance.expects(:run).returns([])
+      ListCharacters.expects(:all_for_user).with(@user).returns([])
 
       get :index
 

test/controllers/raids_controller_test.rb

@@ -38,7 +38,7 @@ class RaidsControllerTest < ActionController::TestCase
 
         @raid = Raid.new id: 10, when: Date.today, start_at: Time.now, invite_at: Time.now
         FindRaid.expects(:by_id).with(10).returns(@raid)
-        ListCharacters.any_instance.stubs(:run).returns([])
+        ListCharacters.stubs(:all_for_user).returns([])
         ListSignups.stubs(:for_raid).returns ListSignups::Signups.new
       end
 
@@ -60,7 +60,7 @@ class RaidsControllerTest < ActionController::TestCase
 
       it "grabs the current user's list of characters" do
         list = [Character.new]
-        ListCharacters.any_instance.expects(:run).returns(list)
+        ListCharacters.expects(:all_for_user).with(@user).returns(list)
 
         get :show, :id => 10
 
@@ -70,7 +70,7 @@ class RaidsControllerTest < ActionController::TestCase
 
       it "removes characters already signed up from the current user's list" do
         list = [Character.new]
-        ListCharacters.any_instance.stubs(:run).returns(list)
+        ListCharacters.stubs(:all_for_user).with(@user).returns(list)
 
         signups = ListSignups::Signups.new
         signups.add_signup Signup.new(character: list[0])

test/unit/interactors/list_characters_test.rb

@@ -6,27 +6,21 @@
 
 describe ListCharacters do
 
-  it "takes a user on construction" do
-    user = User.new
-    action = ListCharacters.new user
-    action.user.must_equal user
-  end
-
-  describe "#run" do
+  describe "#all" do
     it "finds all characters for the given user" do
       user = User.new
       character = Character.new name: "Johnson", user: user
       Repository.for(Character).save character
-      action = ListCharacters.new user
 
-      action.run.must_equal [character]
+      list = ListCharacters.all_for_user user
+      list.must_equal [character]
     end
 
     it "returns the empty list if no characters found" do
       user = User.new
-      action = ListCharacters.new user
 
-      action.run.must_equal []
+      list = ListCharacters.all_for_user user
+      list.must_equal []
     end
   end