Generate a DiceRoll when rolling

app/models/stat.rb

@@ -16,8 +16,10 @@ class Stat < ApplicationRecord
                     numericality: true
   validate :validate_roll_command
 
-  def roll
+  def roll(table)
-    DiceRoller.new(roll_command, stat: self).roll
+    result = DiceRoller.new(roll_command, stat: self).roll
+    dice_rolls.create(result:, table:)
+    result
   end
 
   private

test/integration/dice_rolling_test.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+require "test_helper"
+
+class DiceRollingTest < ActionDispatch::IntegrationTest
+  test "rolling a stat should create a dice roll" do
+    assert_changes("DiceRoll.count", +1) do
+      stats(:strength).roll(tables(:dnd_table))
+    end
+  end
+end

test/models/stat_test.rb

@@ -26,6 +26,6 @@ class StatTest < ActiveSupport::TestCase
   test "rolls with roll_command" do
     stat = stats(:strength)
     stat.roll_command = "1d6"
-    100.times { assert (1..6).cover?(stat.roll) }
+    100.times { assert (1..6).cover?(stat.roll(tables(:dnd_table))) }
   end
 end