404 bad user API requests & spec

app/controllers/api/v1/users_controller.rb

@@ -14,7 +14,7 @@ class Api::V1::UsersController < Api::V1::BaseController
     end
 
     if @user.nil?
-      render json: nil, status: :not_found
+      not_found
       return
     end
 
@@ -45,11 +45,15 @@ class Api::V1::UsersController < Api::V1::BaseController
       team: @user.team.present? ? { id: @user.team.id, name: @user.team.name } : nil
     }
   rescue ActiveRecord::RecordNotFound
-    raise ActionController::RoutingError.new("User Not Found")
+    not_found
   end
 
   private
 
+  def not_found
+    head :not_found
+  end
+
   def steam_profile(user)
     SteamCondenser::Community::SteamId.from_steam_id("STEAM_#{user.steamid}")
   rescue SteamCondenser::Error

spec/controllers/api/v1/users_controller_spec.rb

@@ -78,11 +78,13 @@ describe Api::V1::UsersController do
     end
 
     it "returns 404 if user does not exist" do
-      expect { get :show, id: -1 }.to raise_error(ActionController::RoutingError)
+      get :show, id: -1
+      expect(response.status).to eq(404)
     end
 
     it "returns 404 if user does not exist by steamid" do
-      expect { get :show, id: -1, format: "steamid" }.to raise_error(ActionController::RoutingError)
+      get :show, id: -1, format: "steamid"
+      expect(response.status).to eq(404)
     end
 
     it "queries the steam condenser for an invalid steamid" do