require 'rails_helper' describe WildcardDomainChecker do describe 'check_domain' do context 'valid domain' do it 'returns correct domain' do result1 = WildcardDomainChecker.check_domain('*.discourse.org', 'anything.is.possible.discourse.org') expect(result1[0]).to eq('anything.is.possible.discourse.org') result2 = WildcardDomainChecker.check_domain('www.discourse.org', 'www.discourse.org') expect(result2[0]).to eq('www.discourse.org') result3 = WildcardDomainChecker.check_domain('*', 'hello.discourse.org') expect(result3[0]).to eq('hello.discourse.org') end end context 'invalid domain' do it "doesn't return the domain" do result1 = WildcardDomainChecker.check_domain('*.discourse.org', 'bad-domain.discourse.org.evil.com') expect(result1).to eq(nil) result2 = WildcardDomainChecker.check_domain('www.discourse.org', 'www.discourse.org.evil.com') expect(result2).to eq(nil) result3 = WildcardDomainChecker.check_domain('www.discourse.org', 'www.www.discourse.org') expect(result3).to eq(nil) result4 = WildcardDomainChecker.check_domain('www.*.discourse.org', 'www.www.discourse.org') expect(result4).to eq(nil) end end end end