Add database seeds

db/seeds.rb

@@ -1,9 +1,12 @@
 # frozen_string_literal: true
 
-# This file should contain all the record creation needed to seed the database with its default values.
-# The data can then be loaded with the rails db:seed command (or created alongside the database with db:setup).
-#
-# Examples:
-#
-#   movies = Movie.create([{ name: 'Star Wars' }, { name: 'Lord of the Rings' }])
-#   Character.create(name: 'Luke', movie: movies.first)
+require 'faker'
+
+user = User.create! username: Faker::Internet.username, email: Faker::Internet.email, password: Faker::Internet.password
+tournament = user.tournaments.create! name: Faker::Dog.name
+team1 = tournament.teams.create name: Faker::Dog.name
+team2 = tournament.teams.create name: Faker::Dog.name
+stage = tournament.stages.create!
+match = stage.matches.create!
+match.scores.create! team: team1, score: 0
+match.scores.create! team: team2, score: 1