require 'rails_helper' RSpec.describe Tag, type: :model do describe 'HASHTAG_RE' do subject { Tag::HASHTAG_RE } it 'does not match URLs with anchors with non-hashtag characters' do expect(subject.match('Check this out https://medium.com/@alice/some-article#.abcdef123')).to be_nil end it 'does not match URLs with hashtag-like anchors' do expect(subject.match('https://en.wikipedia.org/wiki/Ghostbusters_(song)#Lawsuit')).to be_nil end end end