require 'rails_helper' RSpec.describe Point, type: :model do describe 'associations' do it { is_expected.to belong_to(:tracker).optional } end describe 'validations' do it { is_expected.to validate_presence_of(:latitude) } it { is_expected.to validate_presence_of(:longitude) } it { is_expected.to validate_presence_of(:tracker_id) } it { is_expected.to validate_presence_of(:timestamp) } it { is_expected.to validate_presence_of(:topic) } end end