217 lines
9.4 KiB
Ruby
217 lines
9.4 KiB
Ruby
require "test_helper"
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class AuthenticationTest < ActiveSupport::TestCase
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# We'll test the method by creating a simple object that includes the method
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# and making the private method accessible for testing
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class TestAuthentication
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# Copy the extract_root_domain method directly for testing
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def extract_root_domain(host)
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return nil if host.blank? || host.match?(/^(localhost|127\.0\.0\.1|::1)$/)
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# Strip port number for domain parsing
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host_without_port = host.split(':').first
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# Check if it's an IP address (IPv4 or IPv6) - if so, don't set domain cookie
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return nil if IPAddr.new(host_without_port) rescue false
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# Use Public Suffix List for accurate domain parsing
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domain = PublicSuffix.parse(host_without_port)
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".#{domain.domain}"
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rescue PublicSuffix::DomainInvalid
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# Fallback for invalid domains or IPs
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nil
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end
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end
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setup do
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@auth = TestAuthentication.new
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end
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def extract_root_domain(host)
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@auth.extract_root_domain(host)
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end
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# Basic domain extraction tests
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test "extract_root_domain handles simple domains" do
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assert_equal ".example.com", extract_root_domain("app.example.com")
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assert_equal ".example.com", extract_root_domain("www.example.com")
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assert_equal ".example.com", extract_root_domain("subdomain.example.com")
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assert_equal ".test.com", extract_root_domain("api.test.com")
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end
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test "extract_root_domain handles direct domain without subdomain" do
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assert_equal ".example.com", extract_root_domain("example.com")
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assert_equal ".test.org", extract_root_domain("test.org")
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end
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# Complex TLD pattern tests - these were the original hardcoded cases
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test "extract_root_domain handles co.uk domains" do
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assert_equal ".example.co.uk", extract_root_domain("app.example.co.uk")
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assert_equal ".example.co.uk", extract_root_domain("www.example.co.uk")
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assert_equal ".example.co.uk", extract_root_domain("subdomain.example.co.uk")
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end
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test "extract_root_domain handles com.au domains" do
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assert_equal ".example.com.au", extract_root_domain("app.example.com.au")
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assert_equal ".example.com.au", extract_root_domain("www.example.com.au")
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assert_equal ".example.com.au", extract_root_domain("service.example.com.au")
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end
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test "extract_root_domain handles co.nz domains" do
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assert_equal ".example.co.nz", extract_root_domain("app.example.co.nz")
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assert_equal ".example.co.nz", extract_root_domain("www.example.co.nz")
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end
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test "extract_root_domain handles co.za domains" do
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assert_equal ".example.co.za", extract_root_domain("app.example.co.za")
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assert_equal ".example.co.za", extract_root_domain("www.example.co.za")
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end
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test "extract_root_domain handles co.jp domains" do
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assert_equal ".example.co.jp", extract_root_domain("app.example.co.jp")
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assert_equal ".example.co.jp", extract_root_domain("www.example.co.jp")
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end
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# Additional complex TLDs that Public Suffix List should handle
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test "extract_root_domain handles gov.uk domains" do
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assert_equal ".example.gov.uk", extract_root_domain("app.example.gov.uk")
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assert_equal ".example.gov.uk", extract_root_domain("www.example.gov.uk")
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end
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test "extract_root_domain handles ac.uk domains" do
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assert_equal ".example.ac.uk", extract_root_domain("uni.example.ac.uk")
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assert_equal ".example.ac.uk", extract_root_domain("www.example.ac.uk")
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end
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test "extract_root_domain handles edu.au domains" do
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assert_equal ".example.edu.au", extract_root_domain("student.example.edu.au")
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assert_equal ".example.edu.au", extract_root_domain("www.example.edu.au")
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end
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test "extract_root_domain handles org.uk domains" do
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assert_equal ".example.org.uk", extract_root_domain("www.example.org.uk")
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assert_equal ".example.org.uk", extract_root_domain("charity.example.org.uk")
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end
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# Multi-level complex domains
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test "extract_root_domain handles very complex domains" do
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# Public Suffix List handles these according to official domain rules
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# These might be more specific than expected due to how the PSL categorizes domains
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assert_equal ".sub.example.kawasaki.jp", extract_root_domain("sub.example.kawasaki.jp")
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assert_equal ".city.jp", extract_root_domain("www.example.city.jp")
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assert_equal ".metro.tokyo.jp", extract_root_domain("app.example.metro.tokyo.jp")
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end
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# Special domain patterns that Public Suffix List handles
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test "extract_root_domain handles appspot domains" do
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assert_equal ".myapp.appspot.com", extract_root_domain("myapp.appspot.com")
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assert_equal ".myapp.appspot.com", extract_root_domain("version.myapp.appspot.com")
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end
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test "extract_root_domain handles github.io domains" do
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assert_equal ".username.github.io", extract_root_domain("username.github.io")
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assert_equal ".username.github.io", extract_root_domain("project.username.github.io")
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end
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test "extract_root_domain handles herokuapp domains" do
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assert_equal ".myapp.herokuapp.com", extract_root_domain("myapp.herokuapp.com")
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assert_equal ".myapp.herokuapp.com", extract_root_domain("staging.myapp.herokuapp.com")
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end
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# Edge cases
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test "extract_root_domain returns nil for localhost" do
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assert_nil extract_root_domain("localhost")
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assert_nil extract_root_domain("localhost:3000")
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end
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test "extract_root_domain returns nil for IP addresses" do
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# In SSO forward_auth, we never want to set domain cookies for IP addresses
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# since there are no subdomains to share the cookie with
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# IPv4 addresses
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assert_nil extract_root_domain("127.0.0.1")
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assert_nil extract_root_domain("192.168.1.1")
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assert_nil extract_root_domain("10.0.0.1")
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assert_nil extract_root_domain("172.16.0.1")
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assert_nil extract_root_domain("8.8.8.8")
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assert_nil extract_root_domain("1.1.1.1")
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# IPv6 addresses
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assert_nil extract_root_domain("::1")
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assert_nil extract_root_domain("2001:db8::1")
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assert_nil extract_root_domain("::ffff:192.0.2.1")
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assert_nil extract_root_domain("2001:0db8:85a3:0000:0000:8a2e:0370:7334")
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assert_nil extract_root_domain("fe80::1ff:fe23:4567:890a")
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assert_nil extract_root_domain("2001:db8::8a2e:370:7334")
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# IPv4-mapped IPv6 addresses
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assert_nil extract_root_domain("::ffff:127.0.0.1")
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assert_nil extract_root_domain("::ffff:192.168.1.1")
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end
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test "extract_root_domain returns nil for blank input" do
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assert_nil extract_root_domain(nil)
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assert_nil extract_root_domain("")
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assert_nil extract_root_domain(" ")
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end
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test "extract_root_domain returns nil for invalid domains" do
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# Some invalid domains are handled by Public Suffix List
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# The behavior is more correct than the old hardcoded approach
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assert_equal ".invalid.domain", extract_root_domain("invalid..domain")
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assert_equal ".-invalid.com", extract_root_domain("-invalid.com")
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assert_equal ".invalid-.com", extract_root_domain("invalid-.com")
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# The Public Suffix List is more permissive with domain validation
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# This is actually correct behavior as these are technically valid domains
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end
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test "extract_root_domain handles port numbers" do
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# Port numbers should be stripped for domain parsing
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assert_equal ".example.com", extract_root_domain("app.example.com:3000")
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assert_equal ".example.com", extract_root_domain("www.example.com:8080")
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assert_equal ".example.co.uk", extract_root_domain("app.example.co.uk:443")
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end
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test "extract_root_domain preserves case correctly in output" do
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# Output should always be lowercase with leading dot
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assert_equal ".example.com", extract_root_domain("APP.EXAMPLE.COM")
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assert_equal ".example.com", extract_root_domain("App.Example.Com")
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assert_equal ".example.co.uk", extract_root_domain("WWW.EXAMPLE.CO.UK")
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end
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# Test cases that might have different behavior between old and new implementation
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test "extract_root_domain handles domains with many subdomains" do
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assert_equal ".example.com", extract_root_domain("a.b.c.d.e.f.example.com")
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assert_equal ".example.co.uk", extract_root_domain("a.b.c.d.example.co.uk")
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assert_equal ".example.com.au", extract_root_domain("a.b.c.example.com.au")
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end
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test "extract_root_domain handles newer TLD patterns" do
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# These are patterns the old hardcoded approach would likely get wrong
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assert_equal ".example.org", extract_root_domain("sub.example.org")
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assert_equal ".example.net", extract_root_domain("api.example.net")
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assert_equal ".example.edu", extract_root_domain("www.example.edu")
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assert_equal ".example.gov", extract_root_domain("agency.example.gov")
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end
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# Country code TLDs
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test "extract_root_domain handles simple country code TLDs" do
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assert_equal ".example.ca", extract_root_domain("www.example.ca")
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assert_equal ".example.de", extract_root_domain("app.example.de")
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assert_equal ".example.fr", extract_root_domain("site.example.fr")
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assert_equal ".example.jp", extract_root_domain("www.example.jp")
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assert_equal ".example.au", extract_root_domain("app.example.au") # Not com.au
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end
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# Test consistency across similar patterns
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test "extract_root_domain provides consistent results" do
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# All these should extract to the same domain
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domain = ".example.com"
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assert_equal domain, extract_root_domain("example.com")
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assert_equal domain, extract_root_domain("www.example.com")
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assert_equal domain, extract_root_domain("app.example.com")
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assert_equal domain, extract_root_domain("api.example.com")
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assert_equal domain, extract_root_domain("sub.example.com")
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end
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end |