# Ruby To-Do List Application - Category Model Test
# Created by: Molla Samser (help@rskworld.in, +91 93305 39277)
# Address: Nutanhat, Mongolkote, Purba Burdwan, West Bengal, India, 713147
# Year: 2026

require "test_helper"

class CategoryTest < ActiveSupport::TestCase
  setup do
    @user = users(:one)
    @category = @user.categories.build(name: "Test Category", color: "#ff0000")
  end

  test "should be valid" do
    assert @category.valid?
  end

  test "name should be present" do
    @category.name = ""
    assert_not @category.valid?
  end

  test "name should be unique per user" do
    @category.save
    duplicate_category = @user.categories.build(name: "Test Category", color: "#00ff00")
    assert_not duplicate_category.valid?
  end

  test "color should be valid hex format" do
    @category.color = "invalid"
    assert_not @category.valid?

    @category.color = "#ff0000"
    assert @category.valid?
  end

  test "should belong to user" do
    assert_respond_to @category, :user
  end

  test "should have many tasks" do
    assert_respond_to @category, :tasks
  end

  test "should create default categories for new user" do
    user = User.create(email: "test@example.com", password: "password123")
    assert_equal 5, user.categories.count
    assert user.categories.pluck(:name).include?("Work")
    assert user.categories.pluck(:name).include?("Personal")
  end
end